JPH0960678A - Damper of fluid frictional resistance type - Google Patents

Damper of fluid frictional resistance type

Info

Publication number
JPH0960678A
JPH0960678A JP23908295A JP23908295A JPH0960678A JP H0960678 A JPH0960678 A JP H0960678A JP 23908295 A JP23908295 A JP 23908295A JP 23908295 A JP23908295 A JP 23908295A JP H0960678 A JPH0960678 A JP H0960678A
Authority
JP
Japan
Prior art keywords
damper
movable body
rotating
damper device
fluid
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
JP23908295A
Other languages
Japanese (ja)
Inventor
Kazuyuki Aoki
和之 青木
Kazunori Kameda
和典 亀田
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.)
Nippon Electric Industry Co Ltd
Original Assignee
Nippon Electric Industry Co Ltd
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 Nippon Electric Industry Co Ltd filed Critical Nippon Electric Industry Co Ltd
Priority to JP23908295A priority Critical patent/JPH0960678A/en
Publication of JPH0960678A publication Critical patent/JPH0960678A/en
Pending legal-status Critical Current

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Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a general purpose damper of fluid frictional resistance which can easily change or finely adjust the braking force of rotation movement or the absorbing force of vibration movement in various kinds of fields such as various devices, furniture and automobile and therefore is expected to be widely applied to various kinds of fields. SOLUTION: This damper is provided with fluid filled in an equipment body, a movable body 6 mounted in the body, a rotating body 5 sliding and rotating against the movable body 6, a braking shaft 3F integrally rotating with the rotating body 5 and an adjusting screw 3D for moving the movable body 6 in the direction which can change the contact range with the rotating body 5. Damping force or rotating speed of the braking shaft 3F is changed or adjusted by moving the position of the movable body 6.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】この発明は、各種機械装置や
家具等の戸の回転動作の制動、更には各種機械的な振動
動作の吸収を行うことができる流体摩擦抵抗型ダンパー
装置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fluid friction resistance type damper device capable of damping the rotational movement of various mechanical devices, doors such as furniture, and absorbing various mechanical vibrations. .

【0002】[0002]

【従来の技術】各種電気製品や家具等にあっては、各種
様々な戸や扉が開発・使用されている。また、例えばこ
の扉等には、ドアクローザが極く一般的に付設されてい
るが、このドアクローザには開放された扉が自閉する際
に、閉じ際で扉が急激な速度に達してしまい大きな音を
たててドア枠に衝突するのを防止するため、閉鎖動作の
制動を行うダンパー(制動)機構が設けられている。こ
のダンパー(制動)機構としては、例えば、エアーシリ
ンダ方式のものや、シリンダ型・ポンプ型等の油圧方式
のもの等が広く知られている。
2. Description of the Related Art Various kinds of doors and doors have been developed and used in various electric appliances and furniture. Also, for example, a door closer is very commonly attached to this door, etc., but when the opened door closes itself, the door reaches a rapid speed at the time of closing, which is a big problem. A damper mechanism for braking the closing operation is provided in order to prevent the door frame from making a noise. As the damper (braking) mechanism, for example, an air cylinder type and a hydraulic type such as a cylinder type and a pump type are widely known.

【0003】[0003]

【発明が解決しようとする課題】このようなダンパー機
構のうち、例えば、エアーシリンダ方式のものにあって
は、エアー音が発生すること、装置自体が大きいこ
と、取り付け工事が難しいこと、等の不都合を生じて
いる。また、油圧方式のダンパー機構にあっては、油漏
れを起こしやすいこと、特に油圧ポンプ方式は高価であ
ること等の欠点を生じている。
Among such damper mechanisms, for example, those of the air cylinder type, such as generation of air noise, large size of the device itself, difficult installation work, etc. It causes inconvenience. Further, the hydraulic damper mechanism has drawbacks such that oil leakage easily occurs, and in particular that the hydraulic pump method is expensive.

【0004】このような事情から、近時、例えば比較的
大きな粘性を有する流体を使用して確実なダンパー力を
生み出すことができる流体摩擦抵抗が注目されており、
この流体摩擦抵抗を利用したダンパー機構の開発が検討
されている。この流体摩擦抵抗を利用したダンパー装置
としては、例えばデイスクを数枚積み重ねた構造のもの
が検討されている。このようなダンパー装置は、一般に
小型化が比較的容易でありコンパクトなものであるが、
制動しようとする速度の変更調整が比較的難しく、この
ような速度調整が必要のない限られた特殊な分野に用途
が限定されている。
Under these circumstances, a fluid frictional resistance, which is capable of producing a reliable damper force by using a fluid having a relatively large viscosity, has recently attracted attention.
Development of a damper mechanism utilizing this fluid frictional resistance is under study. As a damper device utilizing this fluid frictional resistance, for example, a damper device having a structure in which several discs are stacked is under study. Generally, such a damper device is relatively easy to downsize and is compact.
It is relatively difficult to change and adjust the speed to be braked, and the application is limited to a limited special field where such speed adjustment is not necessary.

【0005】そこで、この発明は、上記した事情に鑑
み、各種機器や家具等の各種分野で回転動作の制動や振
動動作の吸収が容易に変更・微調整可能であり、これに
よって各種分野への幅広い適用が期待される、汎用性の
高い流体摩擦抵抗型ダンパー装置を提供することを目的
とするものである。
Therefore, in view of the above-mentioned circumstances, the present invention can easily change and finely adjust the braking of the rotational motion and the absorption of the vibration motion in various fields such as various devices and furniture, and thereby the invention can be applied to various fields. It is an object of the present invention to provide a highly versatile fluid friction resistance type damper device, which is expected to be widely applied.

【0006】[0006]

【課題を解決するための手段】即ち、この請求項1に係
る発明は、各種機械装置の運動動作や振動動作の制動・
吸収を行うダンパー装置であって、この装置の筐体内部
に充填された流体と、前記筐体内部に設けられた可動体
と、この可動体と筐体内壁面との間で摺動・回転する回
転体と、この回転体と一体に回転する制動シャフトと、
前記回転体との接触領域が変更可能な方向に前記可動体
を移動させる調整部材とを備え、この可動体の位置移動
によって制動シャフトのダンパー力又は回転速度を変更
・調節するように構成したものである。
That is, the invention according to claim 1 is for braking / moving motions or vibrations of various mechanical devices.
A damper device that absorbs fluid, which slides / rotates between a fluid filled in the housing of the device, a movable body provided inside the housing, and the movable body and an inner wall surface of the housing. A rotating body and a braking shaft that rotates integrally with the rotating body,
An adjusting member for moving the movable body in a direction in which the contact area with the rotating body can be changed, and the damper force or the rotation speed of the braking shaft is changed / adjusted by the position movement of the movable body. Is.

【0007】また、この請求項2に係るの発明は、回転
体の軸方向の長さを一定に保持するとともに、可動体の
軸方向の長さを可動体の円周方向に沿って変化するよう
に形成し、前記回転体と可動体との重複接触領域を調整
棒若しくは調整ネジ等の調整部材の回動操作によって変
更させ、ダンパー力を調整・変更させるように構成した
ものである。
According to the second aspect of the present invention, the axial length of the rotating body is kept constant, and the axial length of the movable body is changed along the circumferential direction of the movable body. In this configuration, the overlapping contact area between the rotating body and the movable body is changed by rotating the adjusting member such as the adjusting rod or the adjusting screw, and the damper force is adjusted / changed.

【0008】[0008]

【作用】この発明では、筐体内部に設けた可動体を調整
部材で適宜回動させ、その可動体の位置の変動によって
回転体と可動体との接触・摺動面積を変更させ、換言す
れば回転体に対する可動体のダンパー力、更には回転
体、延いては各種機器や家具等、各種分野の戸や扉のダ
ンパ力や回転速度を簡単に変更・微調整することができ
る。
According to the present invention, the movable member provided inside the housing is appropriately rotated by the adjusting member, and the contact / sliding area between the rotating member and the movable member is changed by changing the position of the movable member. For example, it is possible to easily change and finely adjust the damper force of the movable body with respect to the rotating body, and further, the damper force and the rotating speed of the rotating body, and further, doors and doors of various fields such as various devices and furniture.

【0009】[0009]

【発明の実施の形態】以下、この発明について添付図面
を参照しながら説明する。図1は、この発明の第1実施
例に係るドアに適用したダンパー装置3を示すものであ
り、このダンパー装置3は、回転式のドア1とドア枠2
との間に設置されている。なお、図中符号12はスプリ
ング等を収容した自閉装置を示すものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention will be described below with reference to the accompanying drawings. FIG. 1 shows a damper device 3 applied to a door according to a first embodiment of the present invention. The damper device 3 includes a rotary door 1 and a door frame 2.
It is installed between and. Reference numeral 12 in the figure denotes a self-closing device that accommodates a spring and the like.

【0010】即ち、このダンパー装置3は、図2に示す
制動シャフト3Fを介してドア枠2側との間に設けた一
方向クラッチ4により、ドア1を閉鎖方向に回転する場
合にのみ閉鎖動作を制動させるようになっている。
That is, the damper device 3 is closed only when the door 1 is rotated in the closing direction by the one-way clutch 4 provided between the damper device 3 and the door frame 2 via the braking shaft 3F shown in FIG. Is designed to brake.

【0011】さらに、このダンパー装置3は、ドア1閉
鎖の際のダンパ力(或いは閉鎖速度)を使用者の好みの
大きさ(速さ)に変更・微調整できるようにするため、
図2に示すように、回転体5及び可動体6のうち、特に
可動体6の上面側がテーパ面形状に形成されている。
Further, the damper device 3 allows the damper force (or closing speed) when the door 1 is closed to be changed / fine-adjusted to a size (speed) desired by the user.
As shown in FIG. 2, of the rotary body 5 and the movable body 6, the upper surface side of the movable body 6 is formed in a tapered surface shape.

【0012】また、このダンパ力を簡単に調整出来るよ
うにするため、可動体6と螺合させている調整ネジ(調
整部材)3Dには、頭部にドライバ等で回転操作するた
めの係合溝3Eが形成されている。また、この調整ネジ
3Dは、ダンパー装置3の筐体を構成する本体3A及び
蓋体3Bのうち、蓋体3B側に設けた孔3Cに回転フリ
ー状態(上下方向には不動状態)で取り付けられてい
る。
Further, in order to easily adjust the damper force, an adjusting screw (adjusting member) 3D screwed with the movable body 6 is engaged with the head so as to be rotated by a driver or the like. The groove 3E is formed. Further, the adjusting screw 3D is attached to the hole 3C provided on the lid 3B side of the main body 3A and the lid 3B constituting the housing of the damper device 3 in a rotation-free state (an immovable state in the vertical direction). ing.

【0013】なお、これらのダンパー装置3には、ドア
1側に取り付けるための羽根7その他の取り付け部が設
けられている。一方、一方向クラッチ4を取り付けてい
る羽根8部分はドア枠2に固定されている。
The damper device 3 is provided with blades 7 and other mounting portions for mounting on the door 1 side. On the other hand, the portion of the blade 8 to which the one-way clutch 4 is attached is fixed to the door frame 2.

【0014】なお、このダンパー装置については、全体
形状が略縦型のものから構成されているが、特にこの内
部的な構成については、先の回転体5及び可動体6を除
き、先に本願出願人によってすでに出願されているドア
クローザ用流体摩擦抵抗型ダンパー装置(平成6年9月
27日付け出願のもの、特開平6−257456号)と
同様の構成であるから、これについて参照されたい。
Although this damper device is formed of a substantially vertical type as a whole, the internal structure of the damper device is the same as that of the rotating body 5 and the movable body 6 described above. The fluid friction resistance type damper device for a door closer (filed on Sep. 27, 1994, Japanese Patent Laid-Open No. 6-257456), which has already been filed by the applicant, has the same structure, and therefore, it should be referred to.

【0015】次に、この発明に係る第2実施例について
説明する。図3は、この発明の第2実施例に係るシート
クッション装置に適用されたダンパー装置30を示す要
部斜視図である。
Next, a second embodiment according to the present invention will be described. FIG. 3 is a perspective view of essential parts showing a damper device 30 applied to a seat cushion device according to a second embodiment of the present invention.

【0016】このダンパー装置30は、床9の台座90
に固着されており、このダンパ装置30の制動シャフト
31に固着したピニオン31Aが、シート側のクッショ
ンフレーム91に固着されたラック91Aと噛合するよ
うに構成されている。なお、このダンパ装置30では、
クッションフレーム91が上下何れの方向にクッション
動作する場合にもダンパ機能を発生させるため、ワンウ
エイクラッチを使用してないが、特に一方向のみに作用
させる場合には、制動シャフトとピニオンとの間にワン
ウエイクラッチを介装すればよい。また、このダンパー
装置30では、側面側から調整ねじ(調整部材)30A
を操作してダンパ力を調整することが出来るようになっ
ている。
The damper device 30 includes a pedestal 90 on the floor 9.
The pinion 31A fixed to the braking shaft 31 of the damper device 30 is configured to mesh with the rack 91A fixed to the cushion frame 91 on the seat side. In addition, in this damper device 30,
The one-way clutch is not used because the damper function is generated when the cushion frame 91 performs the cushioning operation in either the up or down direction. However, when the cushion frame 91 is operated only in one direction, it is provided between the braking shaft and the pinion. The one-way clutch may be used. Further, in the damper device 30, the adjustment screw (adjustment member) 30A is provided from the side surface side.
The damper force can be adjusted by operating.

【0017】ダンパ装置30は、図4に示すように、先
の第1実施例とは異なり、回転軸方向の寸法が短いタイ
プの形状のものが使用されているが、その内部構造は第
1実施例と同様である。
As shown in FIG. 4, unlike the first embodiment, the damper device 30 is of a type having a short dimension in the direction of the rotation axis, but its internal structure is the first. It is similar to the embodiment.

【0018】また、このダンパ装置30に使用する回転
体50と可動体60(図4参照)とは、対向摺動領域が
先の第1実施例の場合と同様に漸次変化するように形成
してあるが、変化しないような形状とすることも可能で
ある。なお、この実施例では、床9とクッションフレー
ム91との間に、夫々ガイド機構となる軸体90Aとこ
の軸体90Aが嵌入した筒体91Bとを複数組固設させ
てある。
Further, the rotary body 50 and the movable body 60 (see FIG. 4) used in the damper device 30 are formed so that the facing sliding area gradually changes as in the case of the first embodiment. However, a shape that does not change is also possible. In this embodiment, between the floor 9 and the cushion frame 91, a plurality of shafts 90A each serving as a guide mechanism and a plurality of cylinders 91B into which the shafts 90A are fitted are fixed.

【0019】従って、この実施例によれば、例えば着座
者に上下方向の大きな衝撃が作用しても、そのダンパ装
置30のダンパ力によって効果的に吸収することができ
る。しかも、特にこのダンパ装置30によれば、ダンパ
力を使用者の好みに合わせて自由に、しかも簡単に変更
・調節できる効果がある。また、この実施例によれば、
粘性流体の摩擦抵抗を利用して耐久性の高いクッション
装置が提供できるとともに、小型で比較的大きなダンパ
力を発揮することができるから、設置スペースが比較的
限られた自動車などでの使用に好適である。
Therefore, according to this embodiment, even if a large vertical shock is applied to a seated person, it can be effectively absorbed by the damper force of the damper device 30. Moreover, in particular, according to the damper device 30, there is an effect that the damper force can be freely and easily changed and adjusted according to the preference of the user. Further, according to this embodiment,
A cushion device with high durability can be provided by utilizing the frictional resistance of viscous fluid, and it is also suitable for use in automobiles where the installation space is relatively limited, as it is small and can exhibit a relatively large damper force. Is.

【0020】また、この実施例では、車両用のシートク
ッション装置に適用してあるが、勿論これに限定される
ものではなく、例えば図5に示すように、各種家具や電
気製品等の機器10に扉10Aを取り付けるヒンジ部分
にダンパ装置11を取り付けるように構成できる等、各
種幅広い分野での適用が可能である。
Further, although the present embodiment is applied to a vehicle seat cushion device, the present invention is not limited to this, for example, as shown in FIG. 5, a device 10 such as various furniture and electric appliances. The damper device 11 can be attached to the hinge portion to which the door 10A is attached.

【0021】[0021]

【発明の効果】以上説明してきたように、この発明によ
れば、筐体内部に設けた可動体を調整部材で適宜移動さ
せ、その可動体の位置の変動によって回転体と可動体と
の接触・摺動面積を変更させ、換言すれば回転体に対す
る可動体のダンパー力、更には回転体、延いては各種機
器や家具等、各種分野の戸や扉等のダンパ力や開閉(回
転)速度を簡単に微調整することができる。
As described above, according to the present invention, the movable member provided inside the housing is appropriately moved by the adjusting member, and the change of the position of the movable member causes the contact between the rotating member and the movable member. -The sliding area is changed, in other words, the damper force of the movable body with respect to the rotating body, and further the damper force and the opening / closing (rotation) speed of the rotating body, and eventually the doors and doors of various fields such as various devices and furniture. Can be easily fine-tuned.

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

【図1】この発明の第1実施例に係る流体摩擦抵抗型ダ
ンパー装置を示す概略斜視図。
FIG. 1 is a schematic perspective view showing a fluid friction resistance type damper device according to a first embodiment of the present invention.

【図2】図1に適用した流体摩擦抵抗型ダンパー装置を
示す断面図。
FIG. 2 is a sectional view showing a fluid friction resistance type damper device applied to FIG.

【図3】この発明の第2実施例に係る流体摩擦抵抗型ダ
ンパー装置を車両用クッション装置に適用した状態を示
す概略斜視図。
FIG. 3 is a schematic perspective view showing a state in which a fluid friction resistance type damper device according to a second embodiment of the present invention is applied to a vehicle cushion device.

【図4】図3に適用した流体摩擦抵抗型ダンパー装置を
示す断面図。
FIG. 4 is a cross-sectional view showing a fluid friction resistance type damper device applied to FIG.

【図5】この発明に係る流体摩擦抵抗型ダンパー装置を
家具等の扉に適用したときの状態を示す概略斜視図。
FIG. 5 is a schematic perspective view showing a state in which the fluid friction resistance type damper device according to the present invention is applied to a door of furniture or the like.

【符号の説明】[Explanation of symbols]

1 ドア 2 車体 3 30 ダンパ装置 3F 31 制動シャフト 4 ワンウエイクラッチ 5 50 回転体 6 60 可動体 3D 30A 調整ねじ(調整部材) 1 Door 2 Vehicle Body 3 30 Damper Device 3F 31 Braking Shaft 4 One-Way Clutch 5 50 Rotating Body 6 60 Movable Body 3D 30A Adjusting Screw (Adjusting Member)

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 各種機械装置の運動動作や振動動作の制
動・吸収を行うダンパー装置であって、 この装置の筐体内部に充填された流体と、 前記筐体内部に設けられた可動体と、 この可動体と筐体内壁との間で摺動・回転する回転体
と、 この回転体と一体に回転する制動シャフトと、 前記回転体との接触領域が変更可能な方向に前記可動体
を移動させる調整部材とを備え、この可動体の位置変位
によって制動シャフトのダンパー力又は回転速度を変更
・調節するように構成したことを特徴とする流体摩擦抵
抗型ダンパー装置。
1. A damper device for braking / absorbing motion motions and vibration motions of various mechanical devices, the fluid being filled in the housing of the device, and a movable body provided in the housing. A rotating body that slides / rotates between the movable body and the inner wall of the housing; a braking shaft that rotates integrally with the rotating body; and the movable body in a direction in which a contact area with the rotating body can be changed. A fluid friction resistance type damper device comprising: an adjusting member for moving the damper; and a damper force or a rotation speed of the braking shaft is changed / adjusted by the position displacement of the movable body.
【請求項2】 回転体の軸方向の長さを一定に保持する
とともに、可動体の軸方向の長さを可動体の円周方向に
沿って変化するように形成し、 前記回転体と可動体との重複接触領域を調整棒等の調整
部材の回動操作によって変更させ、ダンパー力を調整・
変更させるように構成したことを特徴とする請求項1に
記載の流体摩擦抵抗型ダンパー装置。
2. The rotary body is formed so that the axial length of the rotary body is kept constant, and the axial length of the movable body is changed along the circumferential direction of the movable body. Adjust the damper force by changing the overlapping contact area with the body by rotating the adjusting member such as the adjusting rod.
The fluid frictional resistance damper device according to claim 1, wherein the fluid frictional resistance damper device is configured to be changed.
JP23908295A 1995-08-24 1995-08-24 Damper of fluid frictional resistance type Pending JPH0960678A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23908295A JPH0960678A (en) 1995-08-24 1995-08-24 Damper of fluid frictional resistance type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23908295A JPH0960678A (en) 1995-08-24 1995-08-24 Damper of fluid frictional resistance type

Publications (1)

Publication Number Publication Date
JPH0960678A true JPH0960678A (en) 1997-03-04

Family

ID=17039567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23908295A Pending JPH0960678A (en) 1995-08-24 1995-08-24 Damper of fluid frictional resistance type

Country Status (1)

Country Link
JP (1) JPH0960678A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6729448B2 (en) 2000-10-18 2004-05-04 Tok Bearing Co., Ltd. Rotary damper
JP2007040000A (en) * 2005-08-04 2007-02-15 Nakanishi Eng:Kk Fluid frictional resistance type braking device
WO2008058510A1 (en) 2006-11-17 2008-05-22 Dieter Hölzle Technik-Projekte GmbH Rotational damper

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6729448B2 (en) 2000-10-18 2004-05-04 Tok Bearing Co., Ltd. Rotary damper
JP2007040000A (en) * 2005-08-04 2007-02-15 Nakanishi Eng:Kk Fluid frictional resistance type braking device
JP4695455B2 (en) * 2005-08-04 2011-06-08 株式会社中西エンジニアリング Fluid friction resistance type braking device
WO2008058510A1 (en) 2006-11-17 2008-05-22 Dieter Hölzle Technik-Projekte GmbH Rotational damper

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