JP2002039249A - Air oil damper suspension for vehicle - Google Patents

Air oil damper suspension for vehicle

Info

Publication number
JP2002039249A
JP2002039249A JP2000258194A JP2000258194A JP2002039249A JP 2002039249 A JP2002039249 A JP 2002039249A JP 2000258194 A JP2000258194 A JP 2000258194A JP 2000258194 A JP2000258194 A JP 2000258194A JP 2002039249 A JP2002039249 A JP 2002039249A
Authority
JP
Japan
Prior art keywords
air
oil
cylinder
suspension
fixed
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
JP2000258194A
Other languages
Japanese (ja)
Inventor
Masaaki Inoue
昌明 井上
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP2000258194A priority Critical patent/JP2002039249A/en
Publication of JP2002039249A publication Critical patent/JP2002039249A/en
Pending legal-status Critical Current

Links

Landscapes

  • Vehicle Body Suspensions (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a suspension for a vehicle to improve cushion property and a smooth riding sensation through suppression of the occurrence of unevenness in vibration by incorporating an oil damper in an air damper and realize adaptability for various kinds of large and small vehicles. SOLUTION: The air oil damper suspension for a vehicle comprises an air cylinder 2 provided at an upper part with an air supplying opening 3 and at a lower part with an exhaust opening and formed with an internal part charged with a slide piston 5, an oil cylinder 6 reduced in pressure in linkage with the slide piston 5 and having a lower part entering and existing in an airtight manner the air cylinder 2, an inlet 8 for compressed air formed in the inner central part of the air cylinder 2 and connected to the air supplying opening 3 and in an upper end part 7a, and a fixed support shaft 7 having a lower part 7b extending through the central part of the slide piston 5 and a lower part 7c inserted in the oil cylinder 6 and provided with a fixed piston head 9 in which oil communication holes 9a are formed and which is fixed at a lower end part 7d.

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】本発明は、車両用のサスペン
ションに関し、エアーとオイルダンパーを組合わせた新
規な形式のものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suspension for a vehicle, which is a new type of suspension combining an air and an oil damper.

【0002】[0002]

【従来の技術】これまでに、エアーシリンダー形式のみ
のサスペンションにおけるクッション性の欠乏を改善す
るものとして、内部にガスショックアブソーバーを組込
んだ形式のものが見られるが、なめらかな乗り心地にお
いて今一不十分な点があり、改善の余地があった。
2. Description of the Related Art To improve the cushioning deficiency of a suspension using only an air cylinder, a type incorporating a gas shock absorber inside has been known. There were insufficient points and there was room for improvement.

【0003】[0003]

【発明が解決しようとする課題】本発明は、従来のかか
る実情に鑑みてなされたもので、エアーシリンダーにオ
イルダンパーを組み込み、オイルダンパーをエアーにて
作動させることにより、振動のバラツキを抑制して、ク
ッション性、円滑な乗り心地を増大し、また大小あらゆ
る車種に対し適応型を実現可能とする車両用サスペンシ
ョンを提供するものである。
SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and an oil damper is incorporated in an air cylinder, and the oil damper is actuated by air to suppress variations in vibration. Another object of the present invention is to provide a vehicle suspension capable of increasing cushioning property and smooth ride comfort and realizing an adaptive type for all types of vehicles, large and small.

【0004】[0004]

【課題を解決するための手段】本発明のエアーオイルダ
ンパーサスペンション1は、上記目的を達成するため、
エアーシリンダー2と、オイルシリンダー6と、固定支
軸7とから構成される。
SUMMARY OF THE INVENTION An air oil damper suspension 1 according to the present invention has the following objects.
It comprises an air cylinder 2, an oil cylinder 6, and a fixed support shaft 7.

【0005】エアーシリンダー2は、上部に給気口3
を、下部に排気口4を設け、内部に摺動ピストン5を装
填して成る。
The air cylinder 2 has an air supply port 3
Is provided with an exhaust port 4 at the bottom and a sliding piston 5 loaded inside.

【0006】オイルシリンダー6は、その上部が前記摺
動ピストン5の下部に固着され、これと連動して圧縮エ
アーにより圧下せしめられ、下部がエアーシリンダー2
に対し気密に出入してブラケット11を直結させて成
る。
The oil cylinder 6 has an upper part fixed to the lower part of the sliding piston 5 and is lowered by compressed air in conjunction with the lower part.
And the bracket 11 is directly connected to and directly connected to the bracket 11.

【0007】固定支軸7は、前記エアーシリンダー2内
中心部に前記給気口3と接続して上端部7aに圧縮エア
ーの導入口8を有し、上部7bを前記摺動ピストン5の
中心部に貫通させ、下部7cを前記オイルシリンダー6
内に挿入してその下端部7dにオイル連通孔9aを配設
した固定ピストンヘッド9を固着して成る。
The fixed support shaft 7 is connected to the air supply port 3 at the center of the air cylinder 2 and has a compressed air inlet 8 at an upper end 7a. Part of the oil cylinder 6
And a fixed piston head 9 having an oil communication hole 9a provided at its lower end 7d.

【0008】[0008]

【発明の実施の形態】図1において、1が本発明のエア
ーオイルダンパーサスペンションの総体で、図3に外観
総体が示される。2が上部に給気口3を設けたヘッドキ
ャップ2aと下部にフィルター付排気口4を設けたエン
ドキャップ2bを施して気密に形成され、内部に摺動ピ
ストン5を装填して成るエアーシリンダーである。なお
12はオーリング、14はグリススペースである。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, reference numeral 1 denotes an overall air oil damper suspension of the present invention, and FIG. 3 shows an overall appearance. An air cylinder 2 is formed airtight by applying a head cap 2a having an air supply port 3 at an upper portion and an end cap 2b having an exhaust port 4 with a filter at a lower portion, and having a sliding piston 5 loaded therein. is there. In addition, 12 is an O-ring and 14 is a grease space.

【0009】6がエアーシリンダー2に組入れられたオ
イルシリンダーで、前記摺動ピストン5の下部に螺着さ
れてこれと一体に連動して圧下せしめられ、下部がエア
ーシリンダー2に対し気密に出入してブラケット11を
直結させて成る。なお10はエンドキャップ2bとの間
に介在させたメタル、15はワイヤー16を抱込んだダ
ストシールである。
Reference numeral 6 denotes an oil cylinder incorporated in the air cylinder 2, which is screwed to a lower portion of the sliding piston 5 and integrally pressed therewith so as to be pressed down. The bracket 11 is directly connected. Reference numeral 10 denotes a metal interposed between the end cap 2b and reference numeral 15 denotes a dust seal holding the wire 16.

【0010】7が固定支軸で、前記エアーシリンダー2
内中心部に前記給気口3と接続して上端部7aに圧縮エ
アーの導入口8を有し、上部7bを前記摺動ピストン5
の中心部にオーリング13を介して貫通させ、下部7c
を前記オイルシリンダー6内に挿入してその下端部7d
にオイル連通孔9aを配設した固定ピストンヘッド9を
螺着して成る。
Reference numeral 7 denotes a fixed support shaft.
An inner central portion is connected to the air supply port 3 and has an inlet 8 for compressed air at an upper end 7a.
Through the O-ring 13 through the center of
Into the oil cylinder 6 and its lower end 7d
A fixed piston head 9 provided with an oil communication hole 9a is screwed into the piston head.

【0011】[0011]

【作動】本発明は以上のように構成されるもので、図1
の状態において、給気口3より圧縮エアーを注入する
と、固定支軸7のエアーの導入口8より圧縮エアーがエ
アーシリンダー2内へ導かれ、摺動ピストン5が固定支
軸7に沿って圧下せしめられ、下部の排気口4よりエア
ーが排気される。
[Operation] The present invention is configured as described above.
In this state, when compressed air is injected from the air supply port 3, compressed air is guided into the air cylinder 2 from the air introduction port 8 of the fixed support shaft 7, and the sliding piston 5 is lowered along the fixed support shaft 7. The air is exhausted from the lower exhaust port 4.

【0012】そしてこの摺動ピストン5の圧下に伴っ
て、オイルシリンダー6が下降し、オイルシリンダー6
内の固定支軸7他端部7dに固着した固定ピストンヘッ
ド9が相対的に上昇するからその上側のオイルがオイル
連通孔9aを通過して固定ピストンヘッド9の下側へ移
動する。
With the pressure of the sliding piston 5, the oil cylinder 6 descends, and the oil cylinder 6
Since the fixed piston head 9 fixed to the other end 7d of the fixed support shaft 7 inside rises relatively, the oil above the fixed piston head 9 passes through the oil communication hole 9a and moves to the lower side of the fixed piston head 9.

【0013】今、その時の状態を図2によって示す。FIG. 2 shows the state at that time.

【0014】これを車両に懸架装着した場合、車軸から
受ける衝撃、振動は一次的にオイルダンパーにより、二
次的にエアーシリンダーにより、ほぼ同時に吸収、抑制
され、エアーのみでは得られないクッション性、円滑性
を得られ、さらにエアー調整により適切なエアーオイル
ダンパーのサスペンションのバネ定数を確保できる。
When this is mounted on a vehicle by suspension, shocks and vibrations received from the axle are absorbed and suppressed almost simultaneously by the oil damper and secondarily by the air cylinder. Smoothness can be obtained, and a proper spring constant of the suspension of the air oil damper can be secured by adjusting the air.

【0015】[0015]

【発明の効果】本発明は以上のように、エアーシリンダ
ーにオイルダンパーを組み込み、オイルダンパーをエア
ーにて作動させ、オイルダンパーとエアーとの併動作用
によるサスペンション効果により振動のバラツキを抑制
するとともに微振動をも効率的に吸収して、クッション
性、円滑な乗り心地を増大させることができる。また、
オイルダンパーを組み込むことにより、あらゆる車種に
対し適応できる小型、大型化の実現を可能とするもので
ある。
As described above, the present invention incorporates an oil damper into an air cylinder, operates the oil damper with air, and suppresses variations in vibration by a suspension effect due to simultaneous operation of the oil damper and air. Micro vibrations can be efficiently absorbed, and cushioning and smooth riding comfort can be increased. Also,
By incorporating an oil damper, it is possible to realize a small size and a large size that can be applied to all types of vehicles.

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

【図1】縦断側面図FIG. 1 is a longitudinal side view.

【図2】作動状態を示す縦断側面図FIG. 2 is a longitudinal sectional side view showing an operating state.

【図3】外観斜視図FIG. 3 is an external perspective view.

【符号の説明】[Explanation of symbols]

1 本発明のエアーオイルダンパーサスペンションの
総体 2 エアーシリンダー 2a ヘッドキャップ 2b エンドキャップ 3 給気口 4 フィルター付排気口 5 摺動ピストン 6 オイルシリンダー 7 固定支軸 7a 固定支軸の上端部 7b 固定支軸の上部 7c 固定支軸の下部 7d 固定支軸の下端部 8 圧縮エアーの導入口 9 固定ピストンヘッド 9a オイル連通孔
DESCRIPTION OF SYMBOLS 1 Air cylinder damper suspension of this invention 2 Air cylinder 2a Head cap 2b End cap 3 Air supply port 4 Exhaust port with filter 5 Sliding piston 6 Oil cylinder 7 Fixed support shaft 7a Upper end of fixed support shaft 7b Fixed support shaft 7c Lower portion of fixed support shaft 7d Lower end portion of fixed support shaft 8 Inlet for compressed air 9 Fixed piston head 9a Oil communication hole

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 上部に給気口(3)を、下部に排気口
(4)を設け、内部に摺動ピストン(5)を装填して成
るエアーシリンダー(2)と、該摺動ピストン(5)と
連動して圧下せしめられ、下部がエアーシリンダー
(2)に対し気密に出入してブラケット(11)を直結
させて成るオイルシリンダー(6)と、前記エアーシリ
ンダー(2)内中心部に前記給気口(3)と接続して上
端部(7a)に圧縮エアーの導入口(8)を有し、上部
(7b)を前記摺動ピストン(5)の中心部に貫通さ
せ、下部(7c)を前記オイルシリンダー(6)内に挿
入してその下端部(7d)にオイル連通孔(9a)を配
設した固定ピストンヘッド(9)を固着して成る固定支
軸(7)とから構成される車両用エアーオイルダンパー
サスペンション(1)。
An air cylinder (2) comprising an air supply port (3) at an upper part, an exhaust port (4) at a lower part, and a sliding piston (5) mounted therein; The oil cylinder (6), which is lowered in conjunction with 5), with the lower part airtightly coming into and out of the air cylinder (2) and directly connecting the bracket (11), and the center part inside the air cylinder (2) The upper end (7a) is connected to the air supply port (3) and has an inlet (8) for compressed air at the upper end (7a). The upper part (7b) penetrates through the center of the sliding piston (5) and the lower part (7). 7c) into the oil cylinder (6) and a fixed support shaft (7) having a fixed piston head (9) provided with an oil communication hole (9a) at the lower end (7d). Vehicle air oil damper suspension (1).
JP2000258194A 2000-07-25 2000-07-25 Air oil damper suspension for vehicle Pending JP2002039249A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000258194A JP2002039249A (en) 2000-07-25 2000-07-25 Air oil damper suspension for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000258194A JP2002039249A (en) 2000-07-25 2000-07-25 Air oil damper suspension for vehicle

Publications (1)

Publication Number Publication Date
JP2002039249A true JP2002039249A (en) 2002-02-06

Family

ID=18746540

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000258194A Pending JP2002039249A (en) 2000-07-25 2000-07-25 Air oil damper suspension for vehicle

Country Status (1)

Country Link
JP (1) JP2002039249A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002240529A (en) * 2001-02-20 2002-08-28 Arutea:Kk Height adjustable suspension using air cylinder, and automobile having suspension

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01152131U (en) * 1988-04-12 1989-10-20
JPH0518504Y2 (en) * 1987-09-30 1993-05-17
JPH0558998U (en) * 1992-01-21 1993-08-03 株式会社コガネイ shock absorber
JPH0576894U (en) * 1992-03-25 1993-10-19 加藤発条株式会社 Structure of damper device such as storage box
JPH08312712A (en) * 1995-05-16 1996-11-26 Mitsubishi Motors Corp Suspension device
JPH11291735A (en) * 1998-04-06 1999-10-26 Toshihisa Suga Air suspension system of automobile
JPH11315869A (en) * 1998-03-11 1999-11-16 Bridgestone Corp Pneumatic operation device with longitudinal groove

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0518504Y2 (en) * 1987-09-30 1993-05-17
JPH01152131U (en) * 1988-04-12 1989-10-20
JPH0558998U (en) * 1992-01-21 1993-08-03 株式会社コガネイ shock absorber
JPH0576894U (en) * 1992-03-25 1993-10-19 加藤発条株式会社 Structure of damper device such as storage box
JPH08312712A (en) * 1995-05-16 1996-11-26 Mitsubishi Motors Corp Suspension device
JPH11315869A (en) * 1998-03-11 1999-11-16 Bridgestone Corp Pneumatic operation device with longitudinal groove
JPH11291735A (en) * 1998-04-06 1999-10-26 Toshihisa Suga Air suspension system of automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002240529A (en) * 2001-02-20 2002-08-28 Arutea:Kk Height adjustable suspension using air cylinder, and automobile having suspension

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