JPH0135220B2 - - Google Patents
Info
- Publication number
- JPH0135220B2 JPH0135220B2 JP28268586A JP28268586A JPH0135220B2 JP H0135220 B2 JPH0135220 B2 JP H0135220B2 JP 28268586 A JP28268586 A JP 28268586A JP 28268586 A JP28268586 A JP 28268586A JP H0135220 B2 JPH0135220 B2 JP H0135220B2
- Authority
- JP
- Japan
- Prior art keywords
- free space
- spring
- oil
- damping force
- control valve
- 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.)
- Expired
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
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/024—Covers or coatings therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Springs (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、非線形の特性を得るとともに、シ
ヨクアブソーバ機能と車高調整機能とを有する非
線形コイルばねに関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a nonlinear coil spring that obtains nonlinear characteristics and has a shock absorber function and a vehicle height adjustment function.
（従来技術）
従来から非線形コイルばねとして、不等ピツチ
コイルばね等の種々の非線形コイルばねが、知ら
れている。(Prior Art) Various nonlinear coil springs, such as unequal pitch coil springs, have been known as nonlinear coil springs.
（本発明が解決しようとする問題点）
しかし、上記ばねは、必要なストロークを確保
するために、そのばね高さを高くしなければなら
ないばかりか、線間接触による音の発生などの問
題があつた。(Problems to be Solved by the Present Invention) However, in order to secure the necessary stroke, the above spring not only has to have a high spring height, but also has problems such as generation of noise due to contact between wires. It was hot.
また、従来において、上記コイルばねにシヨツ
クアブソーバをシステム的に一体化したものや、
車高調整機能を兼ね備えてないなどの問題もあつ
た。 In addition, in the past, a shock absorber was systematically integrated into the coil spring,
There were also problems such as the lack of a vehicle height adjustment function.
（問題点を解決するための手段）
ばね本体全体をゴム等からなる可撓性のパイプ
で覆い、このパイプ内に余空部を形成し、当該余
空部を、姿勢制御バルブを介して圧力発生機に接
続するとともに、減衰力発生機構を内装した加圧
シリンダにも接続する構成にしている。(Means for solving the problem) The entire spring body is covered with a flexible pipe made of rubber or the like, and a free space is formed within this pipe, and the free space is controlled by pressure via an attitude control valve. In addition to being connected to a generator, it is also connected to a pressurizing cylinder equipped with a damping force generating mechanism.
（本発明の作用）
ばね本体全体をゴム等からなる可撓性のパイプ
で覆い、このパイプ内に余空部を形成したので、
オイル等の流体を封入することができる。(Action of the present invention) The entire spring body is covered with a flexible pipe made of rubber or the like, and an empty space is formed inside this pipe.
Fluid such as oil can be sealed.
また、上記余空部を姿勢制御バルブを介して圧
力発生機に接続したので、圧力発生機からのオイ
ルを上記余空部に供給するとき、姿勢制御バルブ
によつて、上記余空部へのオイルの供給を調整す
ることができる。 In addition, since the above-mentioned free space is connected to the pressure generator via the attitude control valve, when oil from the pressure generator is supplied to the above free space, the attitude control valve is used to connect the above free space to the free space. Oil supply can be adjusted.
さらにまた、上記余空部を減衰力発生機構を内
装した加圧シリンダにも接続したので、オイルが
この加圧シリンダに流入することによつて、減衰
力も発揮することができる。 Furthermore, since the above-mentioned free space is also connected to a pressurizing cylinder equipped with a damping force generating mechanism, damping force can also be exerted by allowing oil to flow into this pressurizing cylinder.
（本発明の効果）
この発明の非線形コイルによれば、余空部にオ
イルを封入することにより、金属ばね、エアーば
ね、ゴム等の可撓性ばねの三者の特性を自由に合
成しえ、ストロークの増大にともなつて、徐々に
２次曲線的に立ち上がるばね特性が容易に得られ
る。また、線間接触による音の発生も全くない。(Effects of the present invention) According to the nonlinear coil of the present invention, by filling the free space with oil, the characteristics of three flexible springs such as metal springs, air springs, and rubber can be freely synthesized. , it is easy to obtain spring characteristics that gradually rise in the form of a quadratic curve as the stroke increases. Furthermore, there is no sound generation due to contact between the lines.
さらに、上記余空部へのオイルの供給を姿勢制
御バルブによつて調整できるので、車高の調整を
することができる。 Furthermore, since the supply of oil to the free space can be adjusted using the attitude control valve, the vehicle height can be adjusted.
さらにまた、上記余空部のオイルが、加圧シリ
ンダに流入することによつて減衰力を発揮するこ
とができるので、当該コイルばねとシヨツクアブ
ソーバとをシステム的に一体化することができ
る。 Furthermore, since the oil in the free space can exert a damping force by flowing into the pressurizing cylinder, the coil spring and the shock absorber can be systematically integrated.
以上から、ばね特性を理想的に維持しうるのは
もちろん、シヨツクアブソーバと車高調整機能と
をシステム的に一体化しえ、その利用範囲が飛躍
的に増大する。 From the above, not only can the spring characteristics be ideally maintained, but also the shock absorber and the vehicle height adjustment function can be integrated in a systematic manner, dramatically increasing the scope of its use.
（本発明の実施例）
以下には、これを図示の実施例について説明す
る。(Embodiments of the present invention) This will be described below with reference to the illustrated embodiments.
第１，２図に示した実施例において、第１図に
示すように１はばね本体で、このばね本体１全体
をゴム等からなる可撓性のパイプ２で覆つてい
る。この被覆した状態において、第２図に示すよ
うにパイプ２内の線間接触方向両側に余空部３，
４が形成されるようにパイプ２内の孔の形状を楕
円形にしている。 In the embodiment shown in FIGS. 1 and 2, as shown in FIG. 1, 1 is a spring body, and this spring body 1 is entirely covered with a flexible pipe 2 made of rubber or the like. In this coated state, as shown in FIG. 2, free spaces 3,
The shape of the hole in the pipe 2 is made into an ellipse so that the hole 4 is formed.
そして、上記余空部３，４を姿勢制御バルブ１
３を介してポンプ１２に接続している。 Then, the free space parts 3 and 4 are connected to the attitude control valve 1.
3 to the pump 12.
従つて、車高が低くなれば、上記制御バルブ１
３が機能してポンプ１２からのオイルを余空部
３，４に供給し、反対に車高が高くなれば余空部
３，４内のオイルを上記制御バルブ１３を介して
タンク１４に戻し、車高の調整をなしうる。 Therefore, if the vehicle height becomes lower, the control valve 1
3 functions to supply oil from the pump 12 to the free spaces 3 and 4, and on the other hand, when the vehicle height increases, the oil in the free spaces 3 and 4 is returned to the tank 14 via the control valve 13. , the vehicle height can be adjusted.
また、上記余空部３，４を設けたパイプ２の一
端を加圧シリンダに接続している。 Further, one end of the pipe 2 provided with the above-mentioned free spaces 3 and 4 is connected to a pressurizing cylinder.
この加圧シリンダ５にはフリーピストン６を内
装して高圧ガスを封入した加圧室７と油室８とを
区画形成している。そして、油室８は区画壁９に
よつて２つに分割するとともに、この区画壁９に
は、圧側の減衰力を発生するバルブ１０と、伸側
の減衰力を発生するバルブ１１とを設けている
が、これらバルブ１０，１１が、この発明の減衰
力発生機構を構成するものである。 The pressurizing cylinder 5 has a free piston 6 installed therein to define a pressurizing chamber 7 filled with high-pressure gas and an oil chamber 8. The oil chamber 8 is divided into two by a partition wall 9, and the partition wall 9 is provided with a valve 10 that generates a damping force on the compression side and a valve 11 that generates a damping force on the rebound side. However, these valves 10 and 11 constitute the damping force generating mechanism of the present invention.
しかして、各ピツチ間のパイプ２が接触して圧
縮されると、余空部３，４内のオイルはフリーピ
ストンをガス圧に抗して押し下げつつ油室８に流
入する。従つて、このときのばね特性は、金属ば
ねとエヤーばねとを合成したものになる。また、
パイプ２の肉厚を厚くすれば、ゴムばねの特性を
も合成しうる。 When the pipes 2 between the respective pitches come into contact and are compressed, the oil in the free spaces 3 and 4 flows into the oil chamber 8 while pushing down the free piston against the gas pressure. Therefore, the spring characteristics at this time are a combination of a metal spring and an air spring. Also,
By increasing the wall thickness of the pipe 2, it is possible to synthesize the characteristics of a rubber spring.
上記のように油室８にオイルが流入すると、一
方のバルブ１０が機能して圧縮側の減衰力を発生
する。 When oil flows into the oil chamber 8 as described above, one of the valves 10 functions to generate a damping force on the compression side.
また、伸側行程においては他方のバルブ１１が
機能して減衰力を発揮し、当該コイルばねとシヨ
ツクアブソーバとをシステム的に一体化してい
る。 Further, in the extension stroke, the other valve 11 functions to exert a damping force, and the coil spring and the shock absorber are systemically integrated.
以上の説明から明らかのように、本発明の非線
形コイルばねによれば、金属ばね、エアーばね、
及び、ゴム等の可撓性ばねの三者の特性を自由に
合成しえ、ストロークの増大にともなつて徐々に
２次曲線的に立ち上がるばね特性が容易に得られ
るとともに、このばね特性を理想的に維持しう
る。また線間接触による音の発生も全くない。 As is clear from the above description, according to the nonlinear coil spring of the present invention, metal springs, air springs,
In addition, the characteristics of the three flexible springs such as rubber can be freely synthesized, and the spring characteristics that gradually rise in a quadratic curve as the stroke increases can be easily obtained, and this spring characteristic can be idealized. can be maintained. Furthermore, there is no sound generation due to contact between wires.
さらにシヨツクアブソーバと車高調整機能とを
システム的に一体化しえ、その利用範囲が飛躍的
に増大する。 Furthermore, the shock absorber and vehicle height adjustment function can be integrated as a system, dramatically increasing the scope of its use.
図面第１，２図は実施例を示すもので、第１図
は、パイプ、加圧シリンダ、姿勢制御バルブ及び
ポンプを接続した一部断面図、第２図はばね本体
をパイプで覆つた状態の一部を断面にした部分斜
視図である。
１……ばね本体、２……パイプ、３，４……余
空部、５……加圧シリンダ、１０，１１……減衰
力発生機構を構成するバルブ、１２……圧力発生
機としてのポンプ、１３……姿勢制御バルブ。
Figures 1 and 2 show an example. Figure 1 is a partial cross-sectional view of a pipe, pressurizing cylinder, attitude control valve, and pump connected, and Figure 2 is a state in which the spring body is covered with a pipe. FIG. DESCRIPTION OF SYMBOLS 1...Spring body, 2...Pipe, 3, 4...Remaining space, 5...Pressure cylinder, 10, 11...Valve constituting the damping force generation mechanism, 12...Pump as a pressure generator , 13... Attitude control valve.
Claims (1)
プで覆い、このパイプ内に余空部を形成し、当該
余空部を、姿勢制御バルブを介して圧力発生機に
接続するとともに、減衰力発生機構を内装した加
圧シリンダにも接続することを特徴とする非線形
コイルばね。1. Cover the entire spring body with a flexible pipe made of rubber or the like, form a free space inside this pipe, connect the free space to a pressure generator via an attitude control valve, and control the damping force. A non-linear coil spring characterized by being connected to a pressurizing cylinder with an internal generating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28268586A JPS62167940A (en) | 1986-11-27 | 1986-11-27 | Non-linear coiled spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28268586A JPS62167940A (en) | 1986-11-27 | 1986-11-27 | Non-linear coiled spring |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9658379A Division JPS5620843A (en) | 1979-07-28 | 1979-07-28 | Nonlinear coil spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62167940A JPS62167940A (en) | 1987-07-24 |
| JPH0135220B2 true JPH0135220B2 (en) | 1989-07-24 |
Family
ID=17655724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28268586A Granted JPS62167940A (en) | 1986-11-27 | 1986-11-27 | Non-linear coiled spring |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62167940A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10321276A1 (en) * | 2003-05-13 | 2004-12-02 | Bayerische Motoren Werke Ag | Closing spring for gas change valve in internal combustion engines has one or more gas-filled chambers which are elastic and gas tight and arranged superposed around valve shaft |
| CN101961671A (en) * | 2010-10-08 | 2011-02-02 | 南京工程学院 | Variable-rigidity double-mass vibration exciter type super-huge vibration mill |
-
1986
- 1986-11-27 JP JP28268586A patent/JPS62167940A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62167940A (en) | 1987-07-24 |
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