JPS6020204B2 - Car height adjustment system - Google Patents
Car height adjustment systemInfo
- Publication number
- JPS6020204B2 JPS6020204B2 JP12683578A JP12683578A JPS6020204B2 JP S6020204 B2 JPS6020204 B2 JP S6020204B2 JP 12683578 A JP12683578 A JP 12683578A JP 12683578 A JP12683578 A JP 12683578A JP S6020204 B2 JPS6020204 B2 JP S6020204B2
- Authority
- JP
- Japan
- Prior art keywords
- air
- vehicle height
- circuit
- compressor
- height adjustment
- 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
-
- 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
- B60G17/052—Pneumatic spring characteristics
- B60G17/0523—Regulating distributors or valves for pneumatic springs
Description
【発明の詳細な説明】
本発明は、自動車の車高調整システムに関するもので、
特に空気圧式車高調整システムに関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vehicle height adjustment system for an automobile.
In particular, it relates to pneumatic vehicle height adjustment systems.
車高の変化に応答して作動するソレノィドバルプにより
、コンブレッサから吐出される圧縮空気をエアショック
アブソーバに供給制御して、車高を所定高さに保持する
空気圧式車高調整システムに於いて、従来は、車高を感
知するレベルセンサによりソレノィドバルブが作動し、
システム内の空気圧力が調整されている。Conventional pneumatic vehicle height adjustment systems use solenoid valves that operate in response to changes in vehicle height to control the supply of compressed air discharged from a compressor to an air shock absorber to maintain the vehicle height at a predetermined level. The solenoid valve is activated by the level sensor that detects the vehicle height.
Air pressure in the system is regulated.
その為、サスペンションアームの結合部に生じる抵抗を
受けながら、車体が所定高さに調整される場合必要以上
の空気の排出がなされ、その結果ェアショックアブソー
バのローリングダイアフラム内面が係合し、該タィアフ
ラムの耐久性を著しく低下させるという欠点があった。
本発明は、上記従来システムの有する欠点を解消するた
めのもので、エアショックアブソーバのローリングダイ
アフラムの耐久性を向上させシステムの作動信頼性の向
上を計った自動車の車高調整システムを供給することを
目的とするものである。Therefore, when the vehicle body is adjusted to a predetermined height while experiencing resistance generated at the joints of the suspension arms, more air than necessary is discharged, and as a result, the inner surface of the rolling diaphragm of the air shock absorber engages with the air shock absorber. This had the disadvantage of significantly reducing the durability of the tire flam.
The present invention aims to eliminate the drawbacks of the conventional systems described above, and provides a vehicle height adjustment system for an automobile that improves the durability of the rolling diaphragm of an air shock absorber and improves the operational reliability of the system. The purpose is to
上記目的を達成するために本発明に於いては、システム
内の空気をソレノィドバルブから大気へ放出させる回路
に、システムの必要最少空気圧力を保証するための回路
圧制御弁を設ける構成を特徴とする。In order to achieve the above object, the present invention is characterized in that a circuit for discharging air in the system from a solenoid valve to the atmosphere is provided with a circuit pressure control valve for ensuring the minimum air pressure required for the system. .
以下、本発明の一実施例について、添付図面に基づいて
説明する。Hereinafter, one embodiment of the present invention will be described based on the accompanying drawings.
第１図は従釆一般の車高調整システムに於ける各構成要
素の相互関係を示す系統図であり、電動コンブレッサ１
０の電動モータ１０ａはリレー１１によって制御され、
該リレー１１はしベルセンサ１２に内蔵されたスイッチ
により制御される。Figure 1 is a system diagram showing the mutual relationship of each component in a general vehicle height adjustment system.
0 electric motor 10a is controlled by relay 11,
The relay 11 is controlled by a switch built into the bell sensor 12.
車高が所定高さよりも低い時には、レベルセンサ１２の
作動によりバッテリ１３、リレー１１のソレノイド１１
ａ、レベルセンサ１２、アースの回路が成立してリレー
１１の常開接点１１ｂが閉じ、これによりバッテリ１３
、リレー１１の接点１１ｂ、電動モータ１０ａ、アース
の回路が成立して電動モータ１０ａによりコンブレッサ
１０ｂが駆動される。コンブレッサ１０ｂが吐出する圧
縮空気をエアショックアブソーバ１４，１４に導くェア
回路Ｉ５中には、ソレノィドバルプ１６が配設されてい
る。When the vehicle height is lower than a predetermined height, the battery 13 and the solenoid 11 of the relay 11 are activated by the level sensor 12.
A, the level sensor 12, and the ground circuit are established, the normally open contact 11b of the relay 11 is closed, and the battery 13 is thereby closed.
A circuit is established between the contact 11b of the relay 11, the electric motor 10a, and the ground, and the compressor 10b is driven by the electric motor 10a. A solenoid valve 16 is disposed in an air circuit I5 that guides compressed air discharged by the compressor 10b to the air shock absorbers 14, 14.
該ソレノィドバルブ１６のソレノイド１６ａはしベルセ
ンサ１２に内蔵されたスイッチにより制御される。車高
が所定高さよりも高い時にはしベルセンサ１２の作動に
よりバツテリ１３→ソレノイドバルブ１６のソレノイド
１６ａ→レベルセンサ１２→アースの回路が成立して、
ソレノィドバルブ１６が図示の中立位置から右方へ変位
してコンブレッサｌｏｂ側ボート１６ｂを閉じると共に
、エアショックアブソーバ１４側ボート１６ｃを大気ボ
ート１６ｄに通じる。ソレノィドバルブ１６の中立位置
ではコンブレツサ側ボート１６ｂとエアショックアブソ
ーバ側ボート１６ｃとが互いに蓮適する。第２図は本発
明に従った系統図を示すもので、大気ボート１６ｄはリ
ターン回路１７を介して、コンブレツサ１ｏｂのェアフ
イルタ１８と吸入弁１９との間に蓮適している。The solenoid 16a of the solenoid valve 16 is controlled by a switch built into the lever sensor 12. When the vehicle height is higher than a predetermined height, a circuit from battery 13 to solenoid 16a of solenoid valve 16 to level sensor 12 to ground is established due to the operation of bell sensor 12.
The solenoid valve 16 is displaced rightward from the illustrated neutral position to close the compressor lob side boat 16b and communicate the air shock absorber 14 side boat 16c to the atmosphere boat 16d. At the neutral position of the solenoid valve 16, the combustor side boat 16b and the air shock absorber side boat 16c are aligned with each other. FIG. 2 shows a system diagram according to the invention, in which the atmospheric boat 16d is connected via the return circuit 17 between the air filter 18 and the intake valve 19 of the compressor 1ob.
従ってエアショックアブソーバ１４から排出される余剰
空気は、リターン回路１７を介してェアフイルタ１８を
経て大気へ放出されることになる。また、リターン回路
１７には回路圧制劉弁２０が配設され、該制御弁２０は
チェックバルブから構成されるもので、システムの必要
最少空気圧力、例えば空軍時に必要な空気圧力を保証す
るためのものである。第３図は電動コンブレッサ１０の
拡大断面図であり、電動コンブレッサ１０は電動モータ
１０ａとコンブレッサ１０ｂから横成されている。Therefore, the excess air discharged from the air shock absorber 14 is discharged to the atmosphere via the air filter 18 via the return circuit 17. In addition, a circuit pressure control valve 20 is disposed in the return circuit 17, and the control valve 20 is composed of a check valve, and is used to guarantee the minimum air pressure required for the system, for example, the air pressure required during the air force. It is something. FIG. 3 is an enlarged sectional view of the electric compressor 10, and the electric compressor 10 is composed of an electric motor 10a and a compressor 10b.
コンブレツサｌｏｂのシリンダ２１内にはピストン２２
が図示上下方向に摺動可能に配設されている。該ピスト
ン２２のロッド２３は、電動モータ１０ａの駆動力によ
り回転するクランク軸２４に連結され上下運動するよう
になっている。ピストン２２の上方には圧縮室２５が形
成され、該圧縮室２５は吸入弁１９及びェアフィルタ１
８を介して大気に運通し、同時に吐出弁２６を介して前
記エアライン１５に蓬適している。即ち、ピストン２２
が下方行程の時は、空気がェアフィルタ１８及び吸入弁
１９を介して圧縮室２５に導入し、ピストン２２が上方
行程の時は、圧縮室２５で圧縮された空気が吐出弁２６
よりヱア回路１５へ吐出される。第４図はエアショック
アブソーバ１４の拡大断面図を示すもので、シリング２
７は図示しない車体に取付けられ、またピストン２８は
図示しない車軸に取付けられる。A piston 22 is inside the cylinder 21 of the combrezzar lob.
is arranged so as to be slidable in the vertical direction in the drawing. The rod 23 of the piston 22 is connected to a crankshaft 24 that rotates by the driving force of the electric motor 10a, and is configured to move up and down. A compression chamber 25 is formed above the piston 22, and the compression chamber 25 is connected to the suction valve 19 and the air filter 1.
8 to the atmosphere, and at the same time is connected to the airline 15 via a discharge valve 26. That is, the piston 22
When the piston 22 is in the downward stroke, air is introduced into the compression chamber 25 via the air filter 18 and the suction valve 19, and when the piston 22 is in the upward stroke, the air compressed in the compression chamber 25 is introduced into the discharge valve 26.
It is then discharged to the air circuit 15. FIG. 4 shows an enlarged sectional view of the air shock absorber 14.
7 is attached to a vehicle body (not shown), and a piston 28 is attached to an axle (not shown).
ローリングダイアフラム２９は、その外周がシリング２
７に固定され、その内周がピストン２８に固定されてい
る。以上詳述した様に、本発明の実施例による車高調整
システムに於いては、システム内の空気をソレノィドバ
ルブ１６から大気へ放出させるリターン回路１７に、シ
ステムの必要最少空気圧力を保証するための回路圧制御
弁２０を設けたので、エアショックアブソーバ１４のロ
ーリングダイアフラム２９内面が係合することを防止で
きる。The rolling diaphragm 29 has an outer circumference of 2 shillings.
7, and its inner periphery is fixed to the piston 28. As described in detail above, in the vehicle height adjustment system according to the embodiment of the present invention, the return circuit 17 that releases the air in the system from the solenoid valve 16 to the atmosphere is provided with a Since the circuit pressure control valve 20 is provided, it is possible to prevent the inner surface of the rolling diaphragm 29 of the air shock absorber 14 from engaging.
その結果、ダイアフラム２９の耐久性を著しく向上させ
、システムの作動信頼性の向上を計ることが出来るとい
う優れた効果を発揮するものである。本発明では、圧縮
空気供Ｖ給用回路とは別個のＩＪターン回路の大気側端
部をコンブレツサの吸入口とェアフイルタとの間に接続
しているので、ェアフィルタには吸入と吐出の空気流が
流れ、即ち、２方向の空気流が流れるので、ェアフィル
タの目詰りがなく、ェアフィルタの保守点検が容易であ
る。As a result, the durability of the diaphragm 29 is significantly improved and the operational reliability of the system can be improved. In the present invention, the atmospheric side end of the IJ turn circuit, which is separate from the compressed air supply V supply circuit, is connected between the intake port of the compressor and the air filter, so that the air filter has air flows for intake and discharge. Since air flows in two directions, the air filter is not clogged and maintenance and inspection of the air filter is easy.
第１図は従釆一般の車高調整システムを示す系統図、第
２図は本発明に従ったシステムの系統図、第３図は第２
図に於ける電動コンブレッサの拡大断面図、第４図は第
１図に於けるエアショックアブソーバの拡大断面図であ
る。
１０……電動コンブレッサ、１４……エアショックアブ
ソーバ、１６……ソレノイドバルブ、１７・・・・・・
リターン回路、２０・・・・・・回路圧制御弁。
簾ｌ函第２図第３図
第４図Fig. 1 is a system diagram showing a general vehicle height adjustment system, Fig. 2 is a system diagram of a system according to the present invention, and Fig. 3 is a system diagram showing a system according to the present invention.
FIG. 4 is an enlarged sectional view of the electric compressor in the figure, and FIG. 4 is an enlarged sectional view of the air shock absorber in FIG. 10...Electric compressor, 14...Air shock absorber, 16...Solenoid valve, 17...
Return circuit, 20...Circuit pressure control valve. Blind box Fig. 2 Fig. 3 Fig. 4
Claims (1)
より、コンプレツサから吐出される圧縮空気を圧縮空気
供給用回路１５を介してエアシヨツクアブソーバに供給
制御して、車高を所定高さに保持する車高調整システム
に於いて、該システム内の空気を前記ソレノイドバルブ
から大気へ放出させるリターン回路１７に、システムの
必要最少空気圧力を保証するための回路圧制御弁２０を
設け、且つ該リターン回路１７の大気側端部をコンプレ
ツサ１０の吸入口とエアフイルタ１８との間に接続した
ことを特徴とする自動車の車高調整システム。1 A solenoid valve that operates in response to a change in vehicle height controls the supply of compressed air discharged from the compressor to the air shock absorber via the compressed air supply circuit 15 to maintain the vehicle height at a predetermined height. In the vehicle height adjustment system, a return circuit 17 for discharging air in the system from the solenoid valve to the atmosphere is provided with a circuit pressure control valve 20 for ensuring the minimum air pressure required for the system, and the return circuit A vehicle height adjustment system for an automobile, characterized in that an atmospheric side end of the compressor 17 is connected between an inlet of a compressor 10 and an air filter 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12683578A JPS6020204B2 (en) | 1978-10-17 | 1978-10-17 | Car height adjustment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12683578A JPS6020204B2 (en) | 1978-10-17 | 1978-10-17 | Car height adjustment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5555012A JPS5555012A (en) | 1980-04-22 |
| JPS6020204B2 true JPS6020204B2 (en) | 1985-05-21 |
Family
ID=14945072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12683578A Expired JPS6020204B2 (en) | 1978-10-17 | 1978-10-17 | Car height adjustment system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6020204B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0228888Y2 (en) * | 1986-07-28 | 1990-08-02 | ||
| JPH0228887Y2 (en) * | 1986-07-28 | 1990-08-02 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19724747C1 (en) * | 1997-06-12 | 1998-06-25 | Continental Ag | Level regulator for motor vehicles with pneumatic springs |
-
1978
- 1978-10-17 JP JP12683578A patent/JPS6020204B2/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0228888Y2 (en) * | 1986-07-28 | 1990-08-02 | ||
| JPH0228887Y2 (en) * | 1986-07-28 | 1990-08-02 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5555012A (en) | 1980-04-22 |
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