JPH0237011A - Suspension device - Google Patents
Suspension deviceInfo
- Publication number
- JPH0237011A JPH0237011A JP18746388A JP18746388A JPH0237011A JP H0237011 A JPH0237011 A JP H0237011A JP 18746388 A JP18746388 A JP 18746388A JP 18746388 A JP18746388 A JP 18746388A JP H0237011 A JPH0237011 A JP H0237011A
- Authority
- JP
- Japan
- Prior art keywords
- spring
- air chamber
- valve
- air
- suspension device
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/048—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics with the regulating means inside the fluid springs
- B60G17/0485—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics with the regulating means inside the fluid springs the springs being pneumatic springs with a flexible wall, e.g. with levelling valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
- B60G11/48—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds not including leaf springs
- B60G11/56—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds not including leaf springs having helical, spiral or coil springs, and also fluid springs
- B60G11/58—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds not including leaf springs having helical, spiral or coil springs, and also fluid springs arranged coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/0416—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics regulated by varying the resiliency of hydropneumatic suspensions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Fluid-Damping Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、自動車等の車両において、車体を車輪に対
して緩衝支持するサスベンジチン装置に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a subenzitin device for cushioning and supporting a vehicle body with respect to wheels in a vehicle such as an automobile.
（従来技術）
車体と車輪の間に介在して車体を懸架するサスペンショ
ン装置としてコイルばねや空気ばねをダンパーと併用し
て車両の重量を支えかつ振動を吸収するものが従来から
広く使用されている。(Prior art) Suspension devices that suspend the vehicle body by intervening between the vehicle body and wheels have been widely used to support the weight of the vehicle and absorb vibrations by using coil springs or air springs in combination with dampers. .
例えば実開昭５９−１１７５１０号公報では、２個の空
気室をバルブにより連通を開閉することによりばね常数
を変えるようにした空気ばねと、コイルばねとを併用し
たものが開示されている。For example, Japanese Utility Model Application Publication No. 59-117510 discloses a spring in which a coil spring is used in combination with an air spring whose spring constant is changed by opening and closing communication between two air chambers using a valve.
上記従来例では、空気ばねのばね常数調節手段として空
気室のボリュームを変えるために、２個のエアばね室を
設けたことから、形状も大きくなり構造も複雑となって
コストも上昇するといった問題点があった。In the above conventional example, two air spring chambers are provided in order to change the volume of the air chamber as a means for adjusting the spring constant of the air spring, resulting in problems such as a large shape, a complicated structure, and an increase in cost. There was a point.
（発明の目的）
この発明は、上記した従来の問題点を解消して、簡単な
構成により安価で、しかも形状が増大することのないエ
アサスペンション装置を提供することを目的とするもの
である。(Objective of the Invention) It is an object of the present invention to solve the above-mentioned conventional problems and provide an air suspension device that is simple in structure, inexpensive, and does not increase in size.
（発明の構成）
上記の目的を達するためのこの発明は、ダンパーと、該
ダンパーの上部及び下部に設けられているばね受座と、
該上下のばね受座の間に上記ダンパーとほぼ同軸的に設
けられているコイルばねとからなるサスペンション装置
において、上記コイルばねを、弾性体と一体成形した伸
縮可能な円筒状の複合体として、該コイルばねの内側に
上下を上記ばね受座で塞いだ空気室を形成したサスペン
ション装置である。(Structure of the Invention) To achieve the above object, the present invention includes a damper, a spring seat provided at the upper and lower parts of the damper,
In a suspension device comprising a coil spring provided substantially coaxially with the damper between the upper and lower spring seats, the coil spring is a stretchable cylindrical composite integrally molded with an elastic body, This suspension device has an air chamber formed inside the coil spring, the upper and lower sides of which are closed by the spring seats.
このように構成した本発明サスペンション装置は、コイ
ルばねを利用してこのコイルばねの内側の従来は無駄な
空間であった場所を空気室としたため、形態が大きくな
らず、簡単な構成によりコイルばねの機能を保ったまま
空気室が形成できるものである。The suspension device of the present invention configured in this way utilizes a coil spring and uses the space inside the coil spring, which was previously a wasteful space, as an air chamber, so the form does not become large and the simple structure allows the coil spring to be used as an air chamber. An air chamber can be formed while maintaining its function.
（実施例）
以下この発明を図面に示す実施例にもとづいて説明する
。(Embodiments) The present invention will be described below based on embodiments shown in the drawings.
第１実施例
第１図は本発明サスペンション装置を自動車に装着した
状態例を示す斜視図で、４本の車輪と車体との間にそれ
ぞれサスペンション装置（１）を装着したものであり、
第２図はこのサスペンション装置（１）の第１実施例の
全体構成を示す縦断面図で、第３図は第２図を■−■線
で切断してバルブ部分を示した図である。FIRST EMBODIMENT FIG. 1 is a perspective view showing an example of a state in which the suspension device of the present invention is installed in an automobile, in which the suspension device (1) is installed between each of the four wheels and the vehicle body.
FIG. 2 is a longitudinal cross-sectional view showing the overall structure of the first embodiment of this suspension device (1), and FIG. 3 is a view taken along the line 2--2 in FIG. 2 to show the valve portion.
第２図、第３図において、（２）はダンパーで、このダ
ンパー（２）の上端、すなわちロッド（２ａ）の先端部
には、はぼ円板状の上部ばね受座（３）が、その中心を
ロッド（２ａ）に貫通して取り付けられており、また、
ダンパー（２）の下部外周には、上部ばね受座（３）に
対応してほぼ円板状の下部ばね受座（４）がフランジ状
に取り付けられている。In FIGS. 2 and 3, (2) is a damper, and at the upper end of this damper (2), that is, at the tip of the rod (2a), there is a disk-shaped upper spring seat (3). It is attached to the rod (2a) through its center, and
A substantially disk-shaped lower spring seat (4) is attached to the lower outer periphery of the damper (2) in a flange shape corresponding to the upper spring seat (3).
上部ばね受座（３）の上側には、車体（図示省略）に取
り付けるための、マウントゴム（５ａ）を持つ上部マウ
ント（５）がボールベアリング（６）を介してコツト（
２ａ）の先端部に回動自在に取り付けられ、一方ダンパ
ー（２）の下端には、車輪支持部材（図示省略）に取り
付けるための下部マウント（７）がマウントゴム（７ａ
）を持って形成されている。On the upper side of the upper spring seat (3), an upper mount (5) having a mount rubber (5a) for attachment to the vehicle body (not shown) is mounted on the upper side of the upper spring seat (3) via a ball bearing (6).
A lower mount (7) is rotatably attached to the tip of the damper (2a), and a lower mount (7) for attaching to a wheel support member (not shown) is attached to the lower end of the damper (2).
).
（８）は第１空気室で、上端を上部ばね受座（３）の下
面に固着し、下端を開口したほぼ円筒状の上部筒体（８
ａ）と、下端を下部ばね受座（４）の上面に固着し、上
端を開口したほぼ円筒状の下部筒体（８ｂ）との間に可
撓性材料からなるローリングダイヤフラム（８ｃ）を張
設して、ダンパー（２）の外側を囲んで、上部ばね受座
（３）と下部ばね受座（４）との間に形成されている。(8) is the first air chamber, which is a substantially cylindrical upper cylinder body (8) whose upper end is fixed to the lower surface of the upper spring seat (3) and whose lower end is open.
A rolling diaphragm (8c) made of a flexible material is stretched between a) and a substantially cylindrical lower cylinder (8b) whose lower end is fixed to the upper surface of the lower spring seat (4) and whose upper end is open. It surrounds the outside of the damper (2) and is formed between the upper spring seat (3) and the lower spring seat (4).
この第１空気室（８）には、ダンパーのロッド（２ａ）
の軸心を通って空気供給源（図示省略）に連結されてい
る空気供給路（９）が設けられるとともに、内部上端の
ロッド（２ａ）のまわりに緩衝ゴム（１０）が設けられ
ていて、ダンパー（２）が短縮したときこの緩衝ゴム０
０）に衝突して衝撃を緩和させる。This first air chamber (8) has a damper rod (2a).
An air supply path (9) connected to an air supply source (not shown) is provided through the axis of the air supply, and a buffer rubber (10) is provided around the rod (2a) at the upper end of the interior. When the damper (2) is shortened, this buffer rubber 0
0) to soften the impact.
（ＩＩ）はコイルばねで、弾性体（ｌｌａ）に包み込ま
れた状態に一体成形して、伸縮可能な円筒状の複合体と
したもので、第１空気室（８）の外側を囲んで上部ばね
受座（３）と下部ばね受座（４）との間に介在して、上
下端をそれぞれ上部ばね受座（３）と下部ばね受座（４
）の周縁部に接着して気密を保ち、内周面と第１空気室
（８）の外周面との間にほぼ環状の第２空気室０２）を
形成している。(II) is a coil spring, which is integrally molded while being wrapped in an elastic body (lla) to form an expandable and contractible cylindrical composite body, which surrounds the outside of the first air chamber (8) and is attached to the upper part. It is interposed between the spring catch (3) and the lower spring catch (4), and the upper and lower ends are respectively connected to the upper spring catch (3) and the lower spring catch (4).
) to maintain airtightness, and a substantially annular second air chamber 02) is formed between the inner circumferential surface and the outer circumferential surface of the first air chamber (8).
この第２空気室（１２１には大気との連通を開閉するソ
レノイドバルブ０３）が上部ばね受座（３）に設けられ
るとともに、第１空気室（８）との連通を開閉するソレ
ノイドバルブ０４）が上部筒体（８ａ）に適数個（図で
は４個）設けてあって、開閉度合い及び開閉バルブ数を
適宜調整することによって、第１空気室（８）と第２空
気室０２）の間の空気の流れ抵抗を変えて、空気ばねの
ばね定数（Ｋ）を種々に調節するものである。This second air chamber (121 has a solenoid valve 03 that opens and closes communication with the atmosphere) is provided in the upper spring seat (3), and a solenoid valve 04 that opens and closes communication with the first air chamber (8). An appropriate number of valves (four in the figure) are provided in the upper cylinder body (8a), and by adjusting the opening/closing degree and the number of opening/closing valves, the first air chamber (8) and the second air chamber 02) can be adjusted. The spring constant (K) of the air spring can be adjusted in various ways by changing the air flow resistance between the two.
ばね常数（Ｋ）は、空気室のボリューム（Ｖ） と、空
気室の圧力（Ｐ） と、空気室の有効受圧面積（Ｓ）と
の間に次の０式の関係がなり立つ。The spring constant (K) has the following relationship between the volume (V) of the air chamber, the pressure (P) of the air chamber, and the effective pressure-receiving area (S) of the air chamber.
Ｓ
に ＝ ・・・■
■
従って上記の構成によりばね常数（Ｋ）は次のように変
化する。S=...■■ Therefore, the spring constant (K) changes as follows with the above configuration.
（ａ） ソレノイドバルブ０３）を開き、ソレノイドバ
ルブ（１４１を旧聞すれば、第２空気室は多岐と通じて
空気室の機能を失い、第１空気室（８）のみかばね常数
（Ｋ）を持つ空気ばねとして働（。(a) Open the solenoid valve 03), and if you listen to the solenoid valve (141), the second air chamber loses its function as an air chamber because it is connected to many parts, and only the first air chamber (8) has a spring constant (K). Works as an air spring (.
（ｂ）ソレノイドバルブ側を閉じ、ソレノイドパルブ０
４）を全開した場合、第１空気室（８）と第２空気室θ
りとは連通して１個のボリューム（Ｖ）の大きい空気室
となり、０式からばね常数（Ｋ）は（ａ）の場合より小
さくなる。(b) Close the solenoid valve side, solenoid valve 0
4) when fully opened, the first air chamber (8) and the second air chamber θ
The air chambers communicate with each other to form one air chamber with a large volume (V), and from equation 0, the spring constant (K) is smaller than that in case (a).
（ｃ）ソレノイドバルブ側および０４）を全部閉じた場
合、第１空気室（８）と第２空気室０２）とが、それぞ
れ独立した２個の空気室として働き、ばね常数（Ｋ）は
（ａ）および（ｂ）の場合よりも大きくなる。(c) When the solenoid valve side and 04) are completely closed, the first air chamber (8) and the second air chamber 02) work as two independent air chambers, and the spring constant (K) is ( It is larger than in cases a) and (b).
（ｄ）ソレノイドバルブ面を閉じ、ソレノイドバルブ側
の開の個数および開度を種々に変更することでばね常数
（Ｋ）を（ｂ）の値と（ｃ）の値との間で種々に調節で
きる。(d) By closing the solenoid valve surface and varying the number and degree of opening on the solenoid valve side, the spring constant (K) can be variously adjusted between the values in (b) and (c). can.
以上の如くコイルばね（１１）の内側に第２空気室θり
を形成したことにより、形態を大きくすることなくして
、空気ばねのばね常数設定範囲が拡大され、従来のボリ
ュームを可変にするものよりも空気ばね効果を大きくす
ることができる。By forming the second air chamber θ inside the coil spring (11) as described above, the spring constant setting range of the air spring can be expanded without enlarging the form, making the conventional volume variable. The air spring effect can be made larger.
第２実施例
第４図は本発明サスペンション装置の第２実施例の全体
構成を示す縦断面図で、第５図は第４図を■−■線で切
断してバルブ部分を示した図で、前記第１実施例と同一
部分には同じ符号を付しである。この第２実施例が前記
第１実施例と異なる点は、第１空気室（８）と第２空気
室Ｑ２１との間の連通を開閉するバルブ装置のみで、他
は全く同一である。Second Embodiment FIG. 4 is a vertical cross-sectional view showing the overall configuration of a second embodiment of the suspension device of the present invention, and FIG. 5 is a diagram showing the valve portion by cutting FIG. 4 along the line ■-■. , the same parts as in the first embodiment are given the same reference numerals. The second embodiment differs from the first embodiment only in the valve device that opens and closes the communication between the first air chamber (8) and the second air chamber Q21, and is otherwise completely the same.
このバルブ装置は、第１空気室（８）の上部筒体（８ａ
）の外周に固定されたフランジ状の回転座０５）に多数
のポール０６）を介して回動可能に支えられたリング状
のバルブ本体ｑ′？）を、上部筒体（８ａ）の外周に接
して摺動自在に設け、このバルブ本体Ｑ７）の外周の４
個所に突設した突起（１８ａ） （１８ｂ） （１８ｃ
） （１８ｄ）と、この４個の突起に対応して上部ばね
受座（３）から垂下したばね受（１９ａ） （１９ｂ）
（Ｌ９ｃ） （１９ｄ）との間に、個別に通電するよ
うにした形状記憶合金製のバルブばね（２０ａ） （２
０ｂ） （２０ｃ） （２０ｄ）を介在して設け、この
４個のバルブばねのうち相隣れるもの同志が互いに反対
方向に突起（１８ａ） （１８ｂ） （Ｌ８ｃ） （１
８ｄ）を押してバルブ本体０′７）を回動させる方向、
すなわち、第５図において、バルブばね（２０ａ）と（
２０ｃ）はバルブ本体（］７）を反時計方向に、バルブ
ばね（２０ｂ）と（２０ｄ）はバルブ本体０′７）を時
計方向に回動させるべく付勢するように配設されている
。This valve device includes an upper cylinder body (8a) of the first air chamber (8).
) is a ring-shaped valve body q'? rotatably supported via a large number of poles 06) on a flange-shaped rotary seat 05) fixed to the outer periphery of the valve body q'? ) is slidably provided in contact with the outer periphery of the upper cylinder body (8a), and 4 on the outer periphery of this valve body Q7).
Protrusions (18a) (18b) (18c)
) (18d), and spring holders (19a) (19b) hanging from the upper spring holder (3) corresponding to these four protrusions.
(L9c) (19d) A shape memory alloy valve spring (20a) (2
(18a) (18b) (L8c) (1
8d) to rotate the valve body 0'7),
That is, in FIG. 5, the valve spring (20a) and (
20c) is arranged to urge the valve body (7) counterclockwise, and valve springs (20b) and (20d) are arranged to urge the valve body 0'7) to rotate clockwise.
そして上部筒体（８ａ）に４個の筒体バルブ穴（２１ａ
） （２１ｂ）（２１ｃ） （２１ｄ）を設け、この４
個の筒体バルブ穴をバルブ本体Ｑ７）の回動により開閉
するために、筒体バルブ穴（２１ａ） （２１ｂ） （
２１ｃ） （２１ｄ）に対応してバルブ本体０７）に４
個の本体バルブ穴（２２ａ） （２２ｂ） （２２ｃ）
（２２ｄ）が設けである。Then, there are four cylindrical valve holes (21a) in the upper cylindrical body (8a).
) (21b) (21c) (21d), and these 4
In order to open and close the cylindrical valve holes (21a) (21b) (
21c) Corresponding to (21d), 4 on the valve body 07)
Body valve holes (22a) (22b) (22c)
(22d) is the provision.
今、第５図に示す状態は、バルブばね（２０ａ）と（２
０ｃ）とが通電されて加熱により伸長し、バルブ本体０
７）を反時計方向に回動させて筒体バルブ穴（２１ａ）
（２１ｂ） （２１Ｃ） （２１ｄ）を閉じて、第１
空気室（８）と第２空気室０２）とが連通を断たれてそ
れぞれが独立した空気室を形成している状態を示してお
り、この状態で、ソレノイドバルブθ３）が開いていれ
ば、第２空気室０りは大気と通じて空気ばね作用をなさ
ず、第１空気室（８）のみが空気ばねとして作用し、前
記第１実施例の（ａ）項と同様のばね常数（Ｘ）を持つ
こととなり、ソレノイドバルブ０３）が閉じていれば第
２空気室ｒｍが空気ばねとして作用し前記第１実施例の
（ｃ）項と同様のばね常数（Ｋ）を持つこととなる。Now, the state shown in FIG. 5 is that the valve spring (20a) and (20a)
0c) is energized and expands due to heating, and the valve body 0
7) counterclockwise to open the cylindrical valve hole (21a).
(21b) (21C) Close (21d) and the first
This shows a state in which the air chamber (8) and the second air chamber 02) are disconnected from each other and form independent air chambers, and in this state, if the solenoid valve θ3) is open, The second air chamber (8) communicates with the atmosphere and does not act as an air spring, and only the first air chamber (8) acts as an air spring, with the same spring constant (X ), and if the solenoid valve 03) is closed, the second air chamber rm acts as an air spring and has the same spring constant (K) as in item (c) of the first embodiment.
この第５図の状態から、バルブばね（２０ａ）と（２０
ｃ）とへの通電を断ち、バルブばね（２０ｂ） と（２
０ｄ）とに通電すると、バルブばね（２０ａ） と（２
０ｃ） とは冷却して元の状態に収縮し、逆にバルブば
ね（２０ｂ）と（２０ｄ）とは加熱して伸長し、バルブ
本体（１７）が時計方向に回動して本体ボルダ穴（２２
ａ） （２２ｂ） （２２ｃ） （２２ｄ）が、筒体バ
ルブ穴（２１ａ） （２１ｂ’） （２１ｃ） （２１
ｄ）に合致して第１空気室（８）と第２空気室θりとを
連通してボリューム（Ｖ）の大きい１つの空気室となり
前記第１実施例の（ｂ）項のばね常数（Ｋ）を持つこと
となる。From this state shown in Fig. 5, the valve spring (20a) and (20
c) and valve springs (20b) and (2).
When current is applied to valve springs (20a) and (2
0c) cools and contracts to its original state, and conversely, the valve springs (20b) and (20d) heat and expand, causing the valve body (17) to rotate clockwise and close the body boulder hole ( 22
a) (22b) (22c) (22d) is the cylindrical valve hole (21a) (21b') (21c) (21
d), the first air chamber (8) and the second air chamber θ are connected to form one air chamber with a large volume (V), and the spring constant (b) of the first embodiment is K).
以上の如くこの第２実施例の場合も前記第１実施例の場
合とほぼ同様の効果が得られる。As described above, in the case of the second embodiment, substantially the same effects as in the case of the first embodiment can be obtained.
なお、第１実施例におけるソレノイドバルブθ（イ）の
数および第２実施例の場合の筒体バルブ穴（２１ａ）・
・・と本体バルブ穴（２２ａ） ・・・の数は図示し
た４個に限定されるものでなく自由に設定可能である。Note that the number of solenoid valves θ (a) in the first embodiment and the cylindrical valve hole (21a) in the second embodiment
. . . and the main body valve holes (22a) . . . are not limited to the four illustrated, but can be freely set.
また、第１、第２実施例の第１図において前後の４輪に
本発明サスペンション装置を使用した場合を示したが、
これ以外に例えば前輪の２輪のみに本発明サスペンショ
ン装置を使用し、後輪の２輪には他の型式のサスペンシ
ョン装置を使用する等自由である。In addition, although FIG. 1 of the first and second embodiments shows the case where the suspension device of the present invention is used for the front and rear four wheels,
In addition to this, for example, the suspension device of the present invention may be used only for the two front wheels, and another type of suspension device may be used for the two rear wheels.
（発明の効果）
以上説明したこの発明に係るサスペンション装置によれ
ば、コイルばねを弾性体と一体成形して伸縮可能な筒状
体としたことにより、コイルばねはその機能を保ったま
ま従来無為の空間であったコイルばねの内側に空気室を
形成したため、形態も大きくならず極めて簡単安価に空
気ばね効果が得られ、さらにこの空気室を別に形成され
ている空気室と併用することにより空気ばね常数を種り
に設定できるため、ばね常数の設定範囲が拡大され空気
ばね効果を高めることができるものである(Effects of the Invention) According to the suspension device according to the present invention described above, the coil spring is integrally molded with the elastic body to form an extensible and contractible cylindrical body, so that the coil spring can be used without any conventional work while maintaining its function. By forming an air chamber inside the coil spring, which used to be the space of Since the spring constant can be set as a seed, the setting range of the spring constant can be expanded and the air spring effect can be enhanced.
第１図は本発明サスペンション装置を前後の４輪にそれ
ぞれ使用した自動車例を示す斜視図、第２図は本発明サ
スペンション装置の一実施例を示す縦断面図、第３図は
第２図のＨ−■線断面図、第４図は本発明サスペンショ
ン装置の他の実施例を示す縦断面図、第５図は第４図１
−［１［線断面図である。
１・・サスペンション装置
２・・ダンパー ３・・上部ばね受座４・・下部
ばね受座 ８・・第１空気室１１・・コイルばね
ｌｌａ ・・弾性体１２・・第２空気室
特
許FIG. 1 is a perspective view showing an example of an automobile in which the suspension device of the present invention is used for each of the front and rear four wheels, FIG. 4 is a longitudinal sectional view showing another embodiment of the suspension device of the present invention, and FIG. 5 is a sectional view taken along line H-■.
-[1[It is a sectional view taken along the line. 1. Suspension device 2. Damper 3. Upper spring receiver 4. Lower spring receiver 8. First air chamber 11. Coil spring
lla...Elastic body 12...Second air chamber patent
Claims (1)
るばね受座と、該ばね受座の間に上記ダンパーとほぼ同
軸的に設けられているコイルばねと、からなるサスペン
ション装置において、上記コイルばねを、弾性体と一体
成形した複合体として、該コイルばねの内側に空気室を
形成したことを特徴とする、サスペンション装置。A suspension device comprising a damper, spring seats provided at the upper and lower parts of the damper, and a coil spring provided between the spring seats substantially coaxially with the damper, wherein the coil spring A suspension device, characterized in that the coil spring is formed as a composite body integrally molded with an elastic body, and an air chamber is formed inside the coil spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18746388A JPH0237011A (en) | 1988-07-26 | 1988-07-26 | Suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18746388A JPH0237011A (en) | 1988-07-26 | 1988-07-26 | Suspension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0237011A true JPH0237011A (en) | 1990-02-07 |
Family
ID=16206520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18746388A Pending JPH0237011A (en) | 1988-07-26 | 1988-07-26 | Suspension device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0237011A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010077275A (en) * | 2000-02-01 | 2001-08-17 | 밍 루 | Apparatus for protecting shock of coil spring in automobile suspension system |
| US6343781B1 (en) * | 1999-05-18 | 2002-02-05 | Bayerische Motoren Werke Aktiengesellschaft | Gas spring for a steerable vehicle wheel |
| WO2007080682A1 (en) * | 2006-01-11 | 2007-07-19 | Takata Corporation | Airbag and airbag device |
| US20120112392A1 (en) * | 2009-04-27 | 2012-05-10 | Continental Aktiengesellschaft | Air spring device |
| DE102020203171A1 (en) | 2020-02-05 | 2021-08-05 | Continental Teves Ag & Co. Ohg | Air suspension strut with a protective bellows for transmitting a torque |
-
1988
- 1988-07-26 JP JP18746388A patent/JPH0237011A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6343781B1 (en) * | 1999-05-18 | 2002-02-05 | Bayerische Motoren Werke Aktiengesellschaft | Gas spring for a steerable vehicle wheel |
| EP1053895A3 (en) * | 1999-05-18 | 2004-10-13 | Bayerische Motoren Werke Aktiengesellschaft | Gas spring for a steerable vehicle wheel |
| KR20010077275A (en) * | 2000-02-01 | 2001-08-17 | 밍 루 | Apparatus for protecting shock of coil spring in automobile suspension system |
| WO2007080682A1 (en) * | 2006-01-11 | 2007-07-19 | Takata Corporation | Airbag and airbag device |
| US20120112392A1 (en) * | 2009-04-27 | 2012-05-10 | Continental Aktiengesellschaft | Air spring device |
| US8979076B2 (en) * | 2009-04-27 | 2015-03-17 | Continental Teves Ag & Co. Ohg | Air spring device |
| DE102020203171A1 (en) | 2020-02-05 | 2021-08-05 | Continental Teves Ag & Co. Ohg | Air suspension strut with a protective bellows for transmitting a torque |
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