JPH07238971A - Damper device - Google Patents
Damper deviceInfo
- Publication number
- JPH07238971A JPH07238971A JP6053151A JP5315194A JPH07238971A JP H07238971 A JPH07238971 A JP H07238971A JP 6053151 A JP6053151 A JP 6053151A JP 5315194 A JP5315194 A JP 5315194A JP H07238971 A JPH07238971 A JP H07238971A
- Authority
- JP
- Japan
- Prior art keywords
- casing
- damper
- damper shaft
- shaft
- coil spring
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/02—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs damping by frictional contact between the spring and braking means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Fluid-Damping Devices (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、ダンパ装置に関し、特
に、本体に対して開閉体をソフトに開かせるためのダン
パ装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a damper device, and more particularly to a damper device for softly opening an opening / closing body with respect to a main body.
【0002】[0002]
【従来の技術】例えばテレビの操作パネル部を目隠しす
るための開閉体としての扉を開けた際に高級感を出すよ
うにその開動作を緩やかに行わせるべく、本体と扉との
ヒンジ部にダンパ装置を設けたものがある。上記部位に
用いられていた従来の装置では、扉側に扇形のラックを
一体的に設け、ラックと噛み合うギアを軸に設けた円板
形オイルダンパを本体側に取り付けたものがある。な
お、上記オイルダンパは、扁平な円筒形ケーシング内に
円板を回動自在に受容しかつオイルを封入し、その円板
の軸に上記ギアを設けたものである。2. Description of the Related Art For example, a hinge portion between a main body and a door is provided so that a door as an opening / closing body for blinding an operation panel portion of a television can be opened gently so as to give a high-class feeling. Some have a damper device. In a conventional device used in the above-mentioned part, there is a device in which a fan-shaped rack is integrally provided on the door side, and a disc-shaped oil damper having a shaft that meshes with the rack is attached to the main body side. The oil damper is such that a disc is rotatably received and oil is enclosed in a flat cylindrical casing, and the gear is provided on the shaft of the disc.
【0003】また、合成樹脂製のため比較的軽い扉を完
全に開かせるために、扉の枢軸にねじりコイルばねを設
けたものがある。さらに、製造工程上本体を使用状態と
は異なる向きに立てた状態で上記扉の開き検査を行う場
合があり、そのような状態では扉がより一層開き難くな
るため、ねじりコイルばねを予備巻きして組み付ける場
合がある。Further, there is one in which a torsion coil spring is provided on the pivot of the door in order to completely open the relatively light door made of synthetic resin. In addition, in the manufacturing process, the door may be inspected with the main body set up in a different orientation from the usage state.In such a state, the door becomes even more difficult to open. There is a case to be assembled.
【0004】しかしながら、上記コイルばねが比較的小
さなものであり、その両端部をねじるようにして予備巻
きした状態でコイルばねを組み付けることになり、組み
付け性が悪いという問題があった。However, the coil spring is relatively small, and the coil spring is assembled in a state of being pre-wound by twisting both ends of the coil spring, which causes a problem of poor assembling property.
【0005】[0005]
【発明が解決しようとする課題】このような従来技術の
問題点に鑑み、本発明の主な目的は、回動方向に弾発付
勢するためのねじりコイルばねの予備巻きを容易に行い
得るダンパ装置を提供することにある。In view of the above problems of the prior art, the main object of the present invention is to easily preliminarily wind a torsion coil spring for elastically urging in the rotational direction. It is to provide a damper device.
【0006】[0006]
【課題を解決するための手段】このような目的は、本発
明によれば、本体及び開閉体のいずれか一方に固設され
る筒形ケーシングと、前記ケーシング内に同軸的かつ回
動自在に受容されて前記本体及び開閉体のいずれか他方
に固設されるダンパ軸と、前記ダンパ軸を前記ケーシン
グに対して回動させる向きに弾発付勢するように前記ケ
ーシング内にて前記ダンパ軸と前記ケーシングとの間に
介装されたねじりコイルばねと、前記ケーシング内に封
入した粘性流体を液密に保持するべく前記ケーシングの
軸線方向一端に固設されたキャップとを有し、前記ダン
パ軸と前記キャップとに、前記ダンパ軸と前記ケーシン
グとの前記コイルばねの弾発力による相対的回動に対し
ては互いに係合し得ると共に該弾発力以上の回動力にて
互いに乗り越え可能な係合凸部をそれぞれ設けたことを
特徴とするダンパ装置を提供することにより達成され
る。特に、前記ねじりコイルばねが、前記両係合凸部の
一方が他方を乗り越えるまで前記ダンパ軸と前記ケーシ
ングとを相対的に回動させて予備巻きされていると良
い。また、前記ケーシングの内周面に、前記ケーシング
内に粘性流体を注入後前記ダンパ軸を挿入した際のエア
抜きのための軸線方向溝が設けられていると良い。ま
た、前記ダンパ軸が、前記コイルばねを受容し得る有底
筒状に形成されていると共に、その周壁にエア抜き孔が
開設されていると良い。According to the present invention, there is provided a cylindrical casing fixed to either one of the main body and the opening / closing body, and coaxially and rotatably in the casing. A damper shaft that is received and fixed to the other of the main body and the opening / closing body, and the damper shaft in the casing so as to elastically urge the damper shaft in a direction to rotate the damper shaft with respect to the casing. A torsion coil spring interposed between the casing and the casing, and a cap fixed to one axial end of the casing to keep the viscous fluid sealed in the casing liquid-tight. The shaft and the cap can engage with each other with respect to the relative rotation of the damper shaft and the casing due to the elastic force of the coil spring, and can pass over each other with a turning force equal to or greater than the elastic force. Is achieved by providing a damper device is characterized by providing an engaging projection, respectively. In particular, it is preferable that the torsion coil spring is pre-wound by relatively rotating the damper shaft and the casing until one of the engaging protrusions passes over the other. Further, it is preferable that an axial groove is provided on the inner peripheral surface of the casing for bleeding air when the damper shaft is inserted after the viscous fluid is injected into the casing. Further, it is preferable that the damper shaft is formed in a bottomed tubular shape capable of receiving the coil spring, and an air vent hole is formed in a peripheral wall thereof.
【0007】[0007]
【作用】このようにすれば、ケーシング内にダンパ軸と
コイルばねとを組み付けた状態でダンパ軸を回動させる
ことにより、ケーシングに固設されたキャップとダンパ
軸とにそれぞれ設けられた係合凸部同士を互いに乗り越
えさせることができ、コイルばねの弾発力に対しては両
係合凸部同士が互いに係合し得るため、コイルばねを、
係合凸部同士を互いに乗り越えさせるまでねじった予備
巻き状態に保持することができる。With this configuration, by rotating the damper shaft in a state where the damper shaft and the coil spring are assembled in the casing, the engagement provided on the cap fixed to the casing and the damper shaft respectively. Since the convex portions can be passed over each other and both engaging convex portions can engage with each other with respect to the elastic force of the coil spring, the coil spring is
It is possible to hold the pre-wound state in which the engaging protrusions are twisted until they pass over each other.
【0008】[0008]
【実施例】以下、本発明の好適実施例を添付の図面につ
いて詳しく説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will now be described in detail with reference to the accompanying drawings.
【0009】図1は、本発明が適用されたダンパ装置の
分解斜視図である。本ダンパ装置は、例えばテレビの前
面下部に設けられた調整ボリュームなどを隠すための扉
1を図示されない本体に対して開ける際にその開動作を
緩やかに行わせるために用いられるものである。本ダン
パ装置は、図1に示されるように、ケーシング2と、ケ
ーシング2内に組み付けられるねじりコイルばね3と、
ダンパ軸4と、Oリング5と、キャップ6とにより構成
されている。また、図2乃至図6には組み立てた状態の
3軸方向から見た各図が示されており、図7には組み付
け状態の要部断面が示されている。以下、各図を参照し
て説明する。FIG. 1 is an exploded perspective view of a damper device to which the present invention is applied. The damper device is used, for example, to gently perform the opening operation when the door 1 for concealing the adjusting volume and the like provided on the lower front surface of the television is opened with respect to the main body (not shown). As shown in FIG. 1, the present damper device includes a casing 2, a torsion coil spring 3 assembled in the casing 2,
It is composed of a damper shaft 4, an O-ring 5, and a cap 6. 2 to 6 are views as seen from the three-axis direction in the assembled state, and FIG. 7 shows a cross-section of a main part in the assembled state. Hereinafter, description will be given with reference to each drawing.
【0010】ケーシング2は、合成樹脂材からなり、各
図に示されるように有底筒状部7と、その筒状部7の外
周面から半径方向外向きに延出する一対の可撓性脚片8
と、筒状部7の閉塞端面の外面から軸線方向外向きに突
出する軸9とを一体成形されてなる。筒状部7内の底面
には図7に示されるように軸線方向に突出する円錐台形
状のボス部11が形成されており、ボス部11には、ね
じりコイルばね3の一端部のU字状部を差し込むための
半径方向スリット12が設けられている。筒状部7の開
口側の端縁には軸線について対称をなす位置にそれぞれ
90度の範囲の一対の円弧状凹設部13が設けられてお
り、端縁近傍には両円弧状凹設部13とは互い違いにな
る位置に一対の周方向スロット14が設けられている。
また、筒状部7の内周面には軸線方向溝15が形成され
ている。The casing 2 is made of a synthetic resin material, and has a bottomed cylindrical portion 7 and a pair of flexible members extending radially outward from the outer peripheral surface of the cylindrical portion 7 as shown in the drawings. Leg 8
And a shaft 9 projecting outward in the axial direction from the outer surface of the closed end surface of the tubular portion 7 are integrally formed. As shown in FIG. 7, a truncated cone-shaped boss portion 11 protruding in the axial direction is formed on the bottom surface of the cylindrical portion 7, and the boss portion 11 has a U-shape at one end of the torsion coil spring 3. A radial slit 12 is provided for inserting the profile. A pair of arcuate recessed portions 13 each having a range of 90 degrees are provided at positions symmetric with respect to the axis at the opening-side end edge of the cylindrical portion 7, and both arcuate recessed portions are provided near the end edges. A pair of circumferential slots 14 are provided at positions alternating with 13.
An axial groove 15 is formed on the inner peripheral surface of the tubular portion 7.
【0011】ダンパ軸4は、合成樹脂材からなり、ケー
シング2の筒状部7内に若干の隙間をもって受容される
と共に上記ボス部11に嵌装可能な軸線方向孔を有する
有底筒状部16と、その筒状部16の閉塞端側に同軸的
にかつ筒状部16より縮径された縮径部17と、縮径部
17の軸線方向突出端側に同軸的に設けられかつ縮径部
17より小径の軸部18とを一体成形されてなる。筒状
部16内の底部には、ねじりコイルばね3の他端部のU
字状部を差し込むための半径方向スリット19が設けら
れている。The damper shaft 4 is made of a synthetic resin material, is received in the tubular portion 7 of the casing 2 with a slight clearance, and has a bottomed tubular portion having an axial hole that can be fitted into the boss portion 11. 16, a reduced diameter portion 17 that is coaxial with the closed end side of the tubular portion 16 and has a reduced diameter from the tubular portion 16, and is provided coaxially with the axially protruding end side of the reduced diameter portion 17 and has a reduced diameter. A shaft portion 18 having a smaller diameter than the diameter portion 17 is integrally formed. The bottom of the tubular portion 16 has a U at the other end of the torsion coil spring 3.
A radial slit 19 is provided for inserting the character portion.
【0012】また、ダンパ軸4の筒状部16の周壁に
は、縮径部17側近傍と中間部との2箇所に内外を連通
するようにかつそれぞれ軸線について対称をなす孔21
a・21bが設けられている。なお、筒状部16の外周
面の縮径部17側には、孔21aと連通し縮径部17側
端面に開放された浅い溝22が形成されている。軸部1
8の縮径部17側には、縮径部17の外周面と同一面を
なしかつ軸線について対称位置に係合凸部23が設けら
れている。そして、軸部18の外周面には、両係合凸部
23と互い違いになる位置に互いに平行な一対の平坦部
24が形成されている。Further, in the peripheral wall of the cylindrical portion 16 of the damper shaft 4, holes 21 are formed so as to communicate the inside and the outside at two locations, near the reduced diameter portion 17 side and the intermediate portion, and are symmetrical about the axis.
a * 21b is provided. A shallow groove 22 that communicates with the hole 21a and is open to the end surface on the side of the reduced diameter portion 17 is formed on the outer peripheral surface of the tubular portion 16 on the reduced diameter portion 17 side. Shaft 1
On the side of the reduced diameter portion 17 of No. 8, the engaging convex portion 23 is provided on the same surface as the outer peripheral surface of the reduced diameter portion 17 and at a symmetrical position with respect to the axis. Further, on the outer peripheral surface of the shaft portion 18, a pair of flat portions 24 which are parallel to each other are formed at positions alternating with the engagement convex portions 23.
【0013】キャップ6は、合成樹脂材からなり、ケー
シング2の筒状部7の開口端面を閉塞すると共に、ダン
パ軸4の軸部18を挿通可能に環状の周壁を有して形成
されている。キャップ6の外周面には、ケーシング2の
円弧状凹設部13と補完的形状をなす一対の耳部6a
と、周方向スロット14に弾発的に係合する一対の爪部
6bとがそれぞれ形成されている。The cap 6 is made of a synthetic resin material and closes the open end surface of the tubular portion 7 of the casing 2 and has an annular peripheral wall through which the shaft portion 18 of the damper shaft 4 can be inserted. . On the outer peripheral surface of the cap 6, a pair of ear portions 6a having a shape complementary to the arcuate recessed portion 13 of the casing 2.
And a pair of claw portions 6b elastically engaged with the circumferential slot 14 are formed.
【0014】キャップ6の周壁部はダンパ軸4の縮径部
17を外囲するように形成されており、その軸線方向外
側端部に軸部18を軸支する内向フランジ部6cを形成
されている。そして、内向フランジ部6cの軸線方向内
側端面には、図8及び図9に示されるように軸線方向に
突出する台形の係合凸部25が軸線について対称位置に
一対設けられている。The peripheral wall portion of the cap 6 is formed so as to surround the reduced diameter portion 17 of the damper shaft 4, and an inward flange portion 6c for axially supporting the shaft portion 18 is formed at its axially outer end portion. There is. A pair of trapezoidal engaging projections 25 projecting in the axial direction are provided on the axially inner end surface of the inward flange 6c at axially symmetrical positions, as shown in FIGS.
【0015】このようにして構成されたダンパ装置の組
立要領を以下に示す。まず、ケーシング2の筒状部7内
に例えばシリコンオイル等のオイルやグリスなどの粘性
流体Oを所定量注入しておく。また、ダンパ軸4の筒状
部16内にねじるコイルばね3を挿入し、そのU字状端
部を半径方向スリット19に差し込み、アッセンブリ化
しておく。そのねじりコイルばね3をセットされたダン
パ軸4をケーシング2の筒状部7内に挿入し、ねじりコ
イルばね3のU字状端部をボス部11の半径方向スリッ
ト12差し込む。The procedure for assembling the damper device thus constructed will be described below. First, a predetermined amount of oil such as silicone oil or viscous fluid O such as grease is injected into the tubular portion 7 of the casing 2. Further, the twisted coil spring 3 is inserted into the tubular portion 16 of the damper shaft 4, and its U-shaped end portion is inserted into the radial slit 19 to form an assembly. The damper shaft 4 in which the torsion coil spring 3 is set is inserted into the tubular portion 7 of the casing 2, and the U-shaped end portion of the torsion coil spring 3 is inserted into the radial slit 12 of the boss portion 11.
【0016】次に、Oリング5をダンパ軸4の縮径部1
7に嵌装し、キャップ6の耳部6aをケーシング2の筒
状部7の円弧状凹設部13に整合させ、爪部6bを周方
向スロット14に係合させて、キャップ6をケーシング
2に取り付ける。そして、ダンパ軸4の軸部18をケー
シング2の筒状部7に対して図1の矢印Aに示されるよ
うに略90度回す。Next, the O-ring 5 is attached to the reduced diameter portion 1 of the damper shaft 4.
7, the ear portion 6a of the cap 6 is aligned with the arcuate recessed portion 13 of the tubular portion 7 of the casing 2, and the claw portion 6b is engaged with the circumferential slot 14 to attach the cap 6 to the casing 2 Attach to. Then, the shaft portion 18 of the damper shaft 4 is rotated about 90 degrees with respect to the tubular portion 7 of the casing 2 as shown by an arrow A in FIG.
【0017】本ダンパ装置にあっては、キャップ6の組
立状態で、ダンパ軸4側の係合凸部23の突出端とキャ
ップ6側の係合凸部25とが、周方向について互いに衝
当するように突設されている。従って、上記したように
軸部18を略90度回すことにより、図8に良く示され
るように各係合凸部23・25がそれぞれ互いに軸線に
ついて対称位置に設けられていることから、図9に示さ
れるように係合凸部25を係合凸部23が乗り越える。
この乗り越えた状態では、ねじりコイルばね3によりキ
ャップ6すなわちケーシング2に対して図の矢印Aとは
相反する向きにダンパ軸4が回されるように弾発付勢さ
れるが、図9に示されるように、両係合凸部23・25
同士が互いに衝当して、ねじりコイルばね3が予備巻き
された状態にダンパ軸4が保持される。In this damper device, in the assembled state of the cap 6, the projecting end of the engaging projection 23 on the damper shaft 4 and the engaging projection 25 on the cap 6 abut each other in the circumferential direction. It is projected to do. Therefore, by rotating the shaft portion 18 by approximately 90 degrees as described above, the engaging protrusions 23 and 25 are respectively provided at symmetrical positions with respect to the axis as shown in FIG. As shown in FIG. 5, the engagement protrusion 23 rides over the engagement protrusion 25.
In this overriding state, the torsion coil spring 3 elastically urges the damper shaft 4 with respect to the cap 6, that is, the casing 2 so as to rotate in a direction opposite to the arrow A in the figure. As shown in FIG.
The damper shaft 4 is held in a state in which the torsion coil springs 3 are pre-wound with each other hitting each other.
【0018】このようにしてダンパ軸4を予備巻きした
状態のダンパ装置を製品に組み付けるには、ケーシング
2の軸9とダンパ軸4の軸部18とを、扉1の一対のU
字状軸支部1a・1bに図1の矢印Bに示されるように
はめ込む。前記したように軸部18には互いに平行な一
対の平坦部24が設けられており、その対応する軸支部
1bの溝幅が両平坦部24間の幅に合わされており、ダ
ンパ軸4と扉1とが回動方向に規制される。また、ケー
シング2の脚片8を図示されない本体の取付孔に挿入し
てケーシング2側を本体に固設する。このようにして組
み立てられた扉1にあっては、全閉状態から開いた際
に、その開動作をオイルダンパの作用により緩やかに行
わせることができる。また、全開状態までばね力により
確実に開かせることができるため、完成検査時に実機の
向きにかかわらず全開状態を再現でき、検査を確実に行
うことができる。In order to assemble the damper device with the damper shaft 4 preliminarily wound in this way to the product, the shaft 9 of the casing 2 and the shaft portion 18 of the damper shaft 4 are connected to the pair of U's of the door 1.
It fits in the character-shaped shaft support part 1a * 1b as shown by the arrow B of FIG. As described above, the shaft portion 18 is provided with the pair of flat portions 24 parallel to each other, and the groove width of the corresponding shaft support portion 1b is adjusted to the width between the flat portions 24, and the damper shaft 4 and the door. 1 and 1 are restricted in the rotation direction. Further, the leg piece 8 of the casing 2 is inserted into a mounting hole (not shown) of the main body to fix the casing 2 side to the main body. In the door 1 thus assembled, the opening operation can be gently performed by the action of the oil damper when the door 1 is opened from the fully closed state. Further, since the spring force can be surely opened up to the fully opened state, the fully opened state can be reproduced regardless of the orientation of the actual machine during the completion inspection, and the inspection can be reliably performed.
【0019】なお、各係合凸部23・25の周方向につ
いての位置は、テレビ本体に組み付けた状態の軸9及び
軸部18に扉1を組み付ける際に、組み付けやすいよう
に扉1を開いた状態で組み付け可能に、ダンパ軸4を回
した予備巻き状態でダンパ軸4の軸部18の平坦部24
の面の方向が軸支部1bの溝の対向側面と一致するよう
に設定すると良い。The positions of the engaging projections 23 and 25 in the circumferential direction are opened so that the door 1 can be easily assembled when the door 1 is assembled to the shaft 9 and the shaft 18 which are assembled to the TV main body. The flat portion 24 of the shaft portion 18 of the damper shaft 4 in the pre-wound state in which the damper shaft 4 is rotated so that the damper shaft 4 can be assembled in the
It is advisable to set such that the direction of the surface of (1) coincides with the facing side surface of the groove of the shaft support 1b.
【0020】また、前記組立時に於いてダンパ軸4内の
エア抜きを行う必要がある。本ダンパ装置にあっては、
前記したようにケーシング2の筒状部7の内周面に軸線
方向溝15が設けられていると共に、ダンパ軸4の筒状
部16の周壁に孔21a・21bが設けられていること
から、ダンパ軸4を組み付ける際に軸部18側を上にし
て筒状部7に挿入することにより、筒状部16内のエア
を、各孔21a・21bから筒状部16外に出して、さ
らに軸線方向溝15を介してケーシング2の筒状部7の
開口部側に逃がすことができる。Further, it is necessary to bleed the air in the damper shaft 4 during the assembly. With this damper device,
As described above, since the axial groove 15 is provided on the inner peripheral surface of the tubular portion 7 of the casing 2 and the holes 21a and 21b are provided on the peripheral wall of the tubular portion 16 of the damper shaft 4, When the damper shaft 4 is assembled, by inserting the shaft portion 18 side up into the tubular portion 7, the air in the tubular portion 16 is discharged from the holes 21a and 21b to the outside of the tubular portion 16, and It can escape to the opening side of the tubular portion 7 of the casing 2 via the axial groove 15.
【0021】このようにすることにより、ダンパ軸4の
筒状部16内にエアが溜まることがなく、またダンパ軸
4の外周面に粘性流体が容易に回り込める。また、例え
ばエア抜き孔を設けないダンパ軸を用いた場合にダンパ
軸内にエアが溜まるとダンパ軸が浮き上がってしまう
が、本ダンパ装置では、そのようなダンパ軸4の浮き上
がりも防止でき、ダンパ軸4の外周面に粘性流体が均一
に行き渡るため、トルクのばらつきを抑えることができ
る。By doing so, air is not accumulated in the cylindrical portion 16 of the damper shaft 4, and the viscous fluid can easily flow around the outer peripheral surface of the damper shaft 4. Further, for example, when a damper shaft having no air vent hole is used, the damper shaft may be lifted up if air is collected in the damper shaft. However, in the present damper device, such a lifting of the damper shaft 4 can be prevented, and Since the viscous fluid uniformly spreads on the outer peripheral surface of the shaft 4, it is possible to suppress variations in torque.
【0022】なお、本実施例に於いてはテレビ操作パネ
ルの扉の開動作用ダンパについて示したが、例えばフロ
ッピーディスクドライブ装置の扉やカセットデッキの扉
などに用いることができる。In this embodiment, the damper for opening the door of the television operation panel is shown, but it can be used, for example, as a door of a floppy disk drive device or a door of a cassette deck.
【0023】[0023]
【発明の効果】このように本発明によれば、組み付け後
コイルばねをケーシングに対して回して、ダンパ軸とキ
ャップとの各係合凸部同士を互いに乗り越えさせること
により、コイルばねを予備巻き状態に保持することがで
き、例えば扉に用いた場合のその開動作試験時の全開動
作検査を確実に行うために機器に装着する前にオイルダ
ンパ装置のコイルばねを予備巻きする場合に、扉を組み
付ける前に予備巻きしておくことができ、扉の組み付け
を容易に行うことができる。As described above, according to the present invention, the coil spring is preliminarily wound by rotating the assembled coil spring with respect to the casing so that the engaging projections of the damper shaft and the cap pass over each other. Can be held in a state, for example, when the coil spring of the oil damper device is pre-wound before mounting on the equipment in order to reliably perform a fully-opening operation inspection during its opening operation test when used for a door, Can be pre-wound before assembling, and the door can be easily assembled.
【図1】本発明が適用されたダンパ装置の分解組立斜視
図。FIG. 1 is an exploded perspective view of a damper device to which the present invention is applied.
【図2】本発明が適用されたダンパ装置の正面図。FIG. 2 is a front view of a damper device to which the present invention is applied.
【図3】図2の矢印III線から見た右側面図。FIG. 3 is a right side view seen from the line III in FIG.
【図4】図2の矢印IV線から見た左側面図。FIG. 4 is a left side view seen from the line IV in FIG.
【図5】図2の矢印V線から見た平面図。5 is a plan view seen from the arrow V line in FIG. 2. FIG.
【図6】図2の矢印VI線から見た底面図。FIG. 6 is a bottom view seen from the line VI in FIG.
【図7】図2の矢印VII−VII線に沿って見た断面図。FIG. 7 is a sectional view taken along the line VII-VII in FIG.
【図8】図7の矢印VIII−VIII線から見た拡大図。8 is an enlarged view of FIG. 7 taken along the line VIII-VIII.
【図9】図8の矢印IX線から見た要部拡大説明図。9 is an enlarged explanatory view of the main part as seen from the arrow IX line in FIG.
1 扉 1a・1b 軸支部 2 ケーシング 3 ねじりコイルばね 4 ダンパ軸 5 Oリング 6 キャップ 6a 耳部 6b 爪部 6c 内向フランジ部 7 筒状部 8 可撓性脚片 9 軸 11 ボス部 12 半径方向スリット 13 円弧状凹設部 14 周方向スロット 15 軸線方向溝 16 筒状部 17 縮径部 18 軸部 19 半径方向スリット 21a・21b 孔 22 溝 23 係合凸部 24 平坦部 25 係合凸部 DESCRIPTION OF SYMBOLS 1 Doors 1a and 1b Shaft support 2 Casing 3 Torsion coil spring 4 Damper shaft 5 O-ring 6 Cap 6a Ear 6b Claw 6c Inward flange 7 Cylinder 8 Flexible leg 9 Shaft 11 Boss 12 Radial slit 13 arcuate recessed portion 14 circumferential slot 15 axial groove 16 tubular portion 17 reduced diameter portion 18 shaft portion 19 radial slits 21a and 21b hole 22 groove 23 engaging convex portion 24 flat portion 25 engaging convex portion
Claims (4)
れる筒形ケーシングと、前記ケーシング内に同軸的かつ
回動自在に受容されて前記本体及び開閉体のいずれか他
方に固設されるダンパ軸と、前記ダンパ軸を前記ケーシ
ングに対して回動させる向きに弾発付勢するように前記
ケーシング内にて前記ダンパ軸と前記ケーシングとの間
に介装されたねじりコイルばねと、前記ケーシング内に
封入した粘性流体を液密に保持するべく前記ケーシング
の軸線方向一端に固設されたキャップとを有し、 前記ダンパ軸と前記キャップとに、前記ダンパ軸と前記
ケーシングとの前記コイルばねの弾発力による相対的回
動に対しては互いに係合し得ると共に該弾発力以上の回
動力にて互いに乗り越え可能な係合凸部をそれぞれ設け
たことを特徴とするダンパ装置。1. A cylindrical casing fixed to either one of the main body and the opening / closing body, and coaxially and rotatably received in the casing and fixed to the other of the main body and the opening / closing body. A damper shaft, and a torsion coil spring interposed between the damper shaft and the casing in the casing so as to elastically urge the damper shaft in a direction to rotate the damper shaft with respect to the casing, A cap fixed to one end of the casing in the axial direction to keep the viscous fluid sealed in the casing liquid-tight, the damper shaft and the cap, the damper shaft and the casing Each of the dampers is provided with an engaging convex portion that can engage with each other relative to the relative rotation of the coil spring due to the elastic force, and that can be crossed over with each other by a rotating force greater than the elastic force. Apparatus.
部の一方が他方を乗り越えるまで前記ダンパ軸と前記ケ
ーシングとを相対的に回動させて予備巻きされているこ
とを特徴とする請求項1に記載のダンパ装置。2. The torsion coil spring is pre-wound by relatively rotating the damper shaft and the casing until one of the engaging protrusions rides over the other. The damper device according to Item 1.
ング内に粘性流体を注入後前記ダンパ軸を挿入した際の
エア抜きのための軸線方向溝が設けられていることを特
徴とする請求項1若しくは請求項2に記載のダンパ装
置。3. An inner circumferential surface of the casing is provided with an axial groove for venting air when the damper shaft is inserted after injecting a viscous fluid into the casing. The damper device according to claim 1 or claim 2.
し得る有底筒状に形成されていると共に、その周壁にエ
ア抜き孔が開設されていることを特徴とする請求項1乃
至請求項3のいずれかに記載のダンパ装置。4. The damper shaft is formed in a cylindrical shape having a bottom capable of receiving the coil spring, and an air vent hole is formed in a peripheral wall of the damper shaft. The damper device according to any one of 3 above.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP05315194A JP3286072B2 (en) | 1994-02-24 | 1994-02-24 | Damper device |
KR1019940027051A KR0125807B1 (en) | 1994-02-24 | 1994-10-22 | Damper device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP05315194A JP3286072B2 (en) | 1994-02-24 | 1994-02-24 | Damper device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07238971A true JPH07238971A (en) | 1995-09-12 |
JP3286072B2 JP3286072B2 (en) | 2002-05-27 |
Family
ID=12934843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP05315194A Expired - Lifetime JP3286072B2 (en) | 1994-02-24 | 1994-02-24 | Damper device |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP3286072B2 (en) |
KR (1) | KR0125807B1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7252060B2 (en) | 2005-07-14 | 2007-08-07 | Borgwarner Inc | Torsional damper for balance shafts |
JP2009144819A (en) * | 2007-12-14 | 2009-07-02 | Fuji Latex Kk | Rotary damper device |
US20090178068A1 (en) * | 2008-01-08 | 2009-07-09 | Quanta Computer Inc. | Multimedia player |
JP2011036368A (en) * | 2009-08-10 | 2011-02-24 | Complex Biz International Co Ltd | Spring turning device |
WO2011062122A1 (en) * | 2009-11-18 | 2011-05-26 | 株式会社ニフコ | Braking structure for pivoting body |
JP2017143724A (en) * | 2015-12-17 | 2017-08-17 | ヴァレオ システム デシュヤージュValeo Systemes D’Essuyage | Brush holder assembly for electric motor |
-
1994
- 1994-02-24 JP JP05315194A patent/JP3286072B2/en not_active Expired - Lifetime
- 1994-10-22 KR KR1019940027051A patent/KR0125807B1/en not_active IP Right Cessation
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7252060B2 (en) | 2005-07-14 | 2007-08-07 | Borgwarner Inc | Torsional damper for balance shafts |
JP2009144819A (en) * | 2007-12-14 | 2009-07-02 | Fuji Latex Kk | Rotary damper device |
US20090178068A1 (en) * | 2008-01-08 | 2009-07-09 | Quanta Computer Inc. | Multimedia player |
JP2011036368A (en) * | 2009-08-10 | 2011-02-24 | Complex Biz International Co Ltd | Spring turning device |
WO2011062122A1 (en) * | 2009-11-18 | 2011-05-26 | 株式会社ニフコ | Braking structure for pivoting body |
JP2011106592A (en) * | 2009-11-18 | 2011-06-02 | Nifco Inc | Braking structure of rotation body |
CN102667222A (en) * | 2009-11-18 | 2012-09-12 | 株式会社利富高 | Braking structure for pivoting body |
KR101341304B1 (en) * | 2009-11-18 | 2013-12-12 | 가부시키가이샤 니프코 | Braking structure for pivoting body |
US8875352B2 (en) | 2009-11-18 | 2014-11-04 | Nifco Inc. | Braking structure for handle body |
JP2017143724A (en) * | 2015-12-17 | 2017-08-17 | ヴァレオ システム デシュヤージュValeo Systemes D’Essuyage | Brush holder assembly for electric motor |
Also Published As
Publication number | Publication date |
---|---|
KR0125807B1 (en) | 1998-04-06 |
KR950025304A (en) | 1995-09-15 |
JP3286072B2 (en) | 2002-05-27 |
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