JPS624617A - Automatic regulating device for tire pressure - Google Patents
Automatic regulating device for tire pressureInfo
- Publication number
- JPS624617A JPS624617A JP14156785A JP14156785A JPS624617A JP S624617 A JPS624617 A JP S624617A JP 14156785 A JP14156785 A JP 14156785A JP 14156785 A JP14156785 A JP 14156785A JP S624617 A JPS624617 A JP S624617A
- Authority
- JP
- Japan
- Prior art keywords
- air
- supply source
- piston
- tire
- hub
- 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
Landscapes
- Tires In General (AREA)
Abstract
Description
【発明の詳細な説明】
〔技術分野〕
この発明は、車両等に装着される空気入シタイヤの空気
圧自動調整装置だ関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to an automatic air pressure adjustment device for a pneumatic tire mounted on a vehicle or the like.
従来のタイヤ空気圧自動調整装置としては、例えは実開
昭５７−９７７０７に開示されるものがある。これは車
体に設けられた空気圧供給源より、アクスルシャフトと
アクスルチューブとの間に設けられたロータリジヨイン
トを介して回転するアクスルシャフト内部の連通孔に空
気が受渡され、この連通孔を通ってタイヤの空気室に空
気が供給されるものである。またこれら空気供給回路中
にタイヤの空気圧を加減するパルプを設け、このパルプ
を荷重の大小を検出する荷重検出装置により制御するよ
うになっている。An example of a conventional automatic tire pressure adjustment device is one disclosed in Japanese Utility Model Application Laid-Open No. 57-97707. This is because air is delivered from an air pressure supply source installed in the vehicle body to a communication hole inside the rotating axle shaft via a rotary joint provided between the axle shaft and the axle tube, and then air is delivered through the communication hole inside the rotating axle shaft. Air is supplied to the air chamber of the tire. Further, a pulp for controlling the tire air pressure is provided in these air supply circuits, and this pulp is controlled by a load detection device that detects the magnitude of the load.
しかしながら、このような従来のタイヤ空気圧自動調整
装置にあっては、空気圧供給源が車体に設けられ、アク
スルチューブ等の固定された車体側部材と、アクスルシ
ャフト等の回転部材との間にロータリジヨイントを介し
て空気を受渡す構造となっていたため、ロータリジヨイ
ントの摺動部分よシある程度の空気洩れが生じてしまい
、空気圧供給源からの空気供給が停止している時にパン
ク状態となったり、またタイヤの内圧を高めるために供
給側圧力を高めても、この空気洩れのためにタイヤの内
圧を十分に高められないといった問題、さらにはロータ
リジヨイントの耐久性が悪いといった問題点があった。However, in such conventional automatic tire pressure adjustment devices, an air pressure supply source is provided in the vehicle body, and a rotary joint is installed between a fixed vehicle body side member such as an axle tube and a rotating member such as an axle shaft. Since the structure was such that air was delivered through the joint, a certain amount of air leaked from the sliding part of the rotary joint, which could lead to a puncture when the air supply from the pneumatic supply source was stopped. Furthermore, even if the supply side pressure is increased in order to increase the internal pressure of the tire, there are problems such as the internal pressure of the tire not being sufficiently increased due to air leakage, and furthermore, the durability of the rotary joint is poor. Ta.
この発明は上６’ｉ２ ｉｃ Ｎみて、車体側部材に回
転自在に支持される車輪側部材に空気圧供給源を設ける
とともに、車体側部材に空気圧供給源作動部を設け、こ
の空気圧供給源作動部が、空気圧供給源に対して相対回
転することにより空気圧供給源を作動させるようにした
ことを特徴とする。As seen above, this invention provides a pneumatic pressure supply source in a wheel side member that is rotatably supported by a vehicle body side member, and also provides a pneumatic pressure supply source actuating section in the vehicle body side member. is characterized in that the pneumatic supply source is operated by rotating relative to the pneumatic supply source.
車両の走行によシ車輪が回転すると、車輪側部材に設け
られた空気圧供給源を、車体側部材に設けられた空気圧
供給源作動動部が、この空気圧供給源に対して相対回転
することにより作動させ、空気圧供給源より送り出され
る空気は、タイヤ内部の空気室へ供給される。When the wheels rotate when the vehicle is running, the pneumatic supply source provided on the wheel side member is connected to the pneumatic supply source operating part provided on the vehicle body side member by rotating relative to this pneumatic supply source. When activated, air is delivered from the air pressure source to an air chamber inside the tire.
この発明の一実施例である車両のタイヤ空気圧自動調整
装置を第１図に示す。まず構成を説明すると、アクスル
シャフト２０と一体に形成されたハブ１には、タイヤ１
８内部の空気室２５に空気を供給するためのポンプ２１
を構成するシリンダ２、ピストン３、ピストンリターン
スプリング１９が組込まれ、ピストン３には、エアパル
プ４、エアパルプ４を内側から引っ張るパルプスプリン
グ５、エアシール６、外気への連通孔２３が設けられる
。一方ハウジング７には、円筒形のカム８が取付けられ
、ピストンリターンスプリング１９によシ押出されるピ
ストン３が、このカム８の内周面に当接している。カム
８の内筒の中心軸は、アクスルシャフト２０及びカム８
の外筒の中心軸よシオフセットされている。ハブ１には
、シリンダ２に連結した連通孔１０が設けられ、経路の
途中には、空気の流れを一方向に規制するエアパルプ１
１、バルブスプリング１２、空気抜き用のリリーフバル
ブ１３、パルプスプリング１４が設けられている。また
ハブ１には、ブレーキドラム２２、及びタイヤ１８を取
付けるホイールディスク１５が取付けられ、ホイールデ
ィスク１５には、タイヤ１８内部への連通孔１６が設け
られ、ゴムパツキン１７及びブレーキドラム２２に設け
た穴２６に通したパイプ２４を介してハブ１の連通孔１
０と連結されている。An automatic tire pressure adjustment device for a vehicle, which is an embodiment of the present invention, is shown in FIG. First, to explain the configuration, a hub 1 integrally formed with an axle shaft 20 has a tire 1
Pump 21 for supplying air to the air chamber 25 inside 8
A cylinder 2, a piston 3, and a piston return spring 19 are incorporated, and the piston 3 is provided with an air pulp 4, a pulp spring 5 that pulls the air pulp 4 from inside, an air seal 6, and a communication hole 23 to the outside air. On the other hand, a cylindrical cam 8 is attached to the housing 7, and the piston 3 pushed out by a piston return spring 19 is in contact with the inner peripheral surface of the cam 8. The central axis of the inner cylinder of the cam 8 is connected to the axle shaft 20 and the cam 8.
It is offset from the center axis of the outer cylinder. The hub 1 is provided with a communication hole 10 connected to the cylinder 2, and in the middle of the path is an air pulp 1 that regulates the flow of air in one direction.
1, a valve spring 12, a relief valve 13 for air venting, and a pulp spring 14 are provided. Further, a brake drum 22 and a wheel disk 15 to which a tire 18 is attached are attached to the hub 1, and a communication hole 16 to the inside of the tire 18 is provided in the wheel disk 15, and a hole provided in a rubber packing 17 and the brake drum 22 is provided in the wheel disk 15. The communication hole 1 of the hub 1 is connected to the hub 1 through the pipe 24 passed through the pipe 26.
Connected to 0.
次に作用を説明する。車両の走行時に、アクスルシャフ
ト２０及びハブ１等が回転すると、ハブｌに組込まれた
ポンプ２１のピストン３は、円筒形のカム８の内周面を
摺動する。この時、カム８の内筒の中心軸がアクスルシ
ャフト２０及び外筒の中心軸よシオフセットされている
ため、ハブ１が回転する度にピストン３はカム８に押さ
れてシリンダ２の中を往復運動することになる。ピスト
ン３がピストンリターンスプリング１９によクシリンダ
２内部より押出される方向に運動する時は、エアパルプ
１１が閉じるためエアパルプ４が開き、連通孔２３よシ
外部の空気がシリンダ２内部に吸入される。また逆にピ
ストン３が、カム８によクシリンダ２内部に押込まれる
方向に運動する時は、エアパルプ４が閉じるためエアパ
ルプ１１が開き、シリンダ２内部に吸入された空気は、
連通孔１０゜１６を通じてタイヤ１８内部の空気室２５
へ供給される。こうして空気がタイヤ１８内部の空気室
２５へ連続的に供給され、空気室２５内圧力が規定値以
上になると、リリーフバルブ１３が作動し連通孔１６を
大気開放し、空気室２５内圧力が規定値以上にならない
ように規制している。またこのリリーフバルブ１３のバ
ルブスプリング１４を選択することにより、リリーフ圧
を任意に設定することができる。Next, the effect will be explained. When the axle shaft 20, the hub 1, etc. rotate while the vehicle is running, the piston 3 of the pump 21 incorporated in the hub 1 slides on the inner peripheral surface of the cylindrical cam 8. At this time, since the center axis of the inner cylinder of the cam 8 is offset from the center axis of the axle shaft 20 and the outer cylinder, the piston 3 is pushed by the cam 8 and moves inside the cylinder 2 every time the hub 1 rotates. There will be a reciprocating movement. When the piston 3 moves in the direction of being pushed out from inside the cylinder 2 by the piston return spring 19, the air pulp 11 closes, the air pulp 4 opens, and air outside the cylinder 2 is sucked into the cylinder 2 through the communication hole 23. Conversely, when the piston 3 moves in the direction of being pushed into the cylinder 2 by the cam 8, the air pulp 4 closes, the air pulp 11 opens, and the air sucked into the cylinder 2 is
Air chamber 25 inside tire 18 through communication hole 10° 16
supplied to In this way, air is continuously supplied to the air chamber 25 inside the tire 18, and when the pressure inside the air chamber 25 reaches or exceeds the specified value, the relief valve 13 operates to open the communication hole 16 to the atmosphere, and the pressure inside the air chamber 25 reaches the specified value. It is regulated so that it does not exceed this value. Further, by selecting the valve spring 14 of this relief valve 13, the relief pressure can be set arbitrarily.
以上のように、本実施例のタイヤ空気圧自動調整装置に
あっては、従来のものに比べて構成が非常に簡単で、タ
イヤが回転している間は常に所定のタイヤ空気圧を保つ
ことができる。さらに本実施例にあっては、車体側部材
と回転する車輪側部材との間で空気の受渡しは行なわれ
ず、ロータリジヨイントを持たないため、空気洩れ、耐
久性に対しても有効である。As described above, the automatic tire pressure adjustment device of this embodiment has a much simpler configuration than conventional ones, and can maintain a predetermined tire pressure at all times while the tire is rotating. . Furthermore, in this embodiment, air is not exchanged between the vehicle body side member and the rotating wheel side member, and there is no rotary joint, which is effective in reducing air leakage and durability.
次だ第２図に示した第２の実施例について説明する。こ
の実施例は、第１図に示した第１の実施例に用いたカム
８の内周面を円錐側面状に形成したカム８′を有し、こ
のカム８′を上下対称に配置した２つのソレノイド９．
９によりノーウジング７上を軸方向に摺動可能な構成と
したものであり、他は第１の実施例と同様の構成を有し
ている。Next, the second embodiment shown in FIG. 2 will be explained. This embodiment has a cam 8' in which the inner peripheral surface of the cam 8 used in the first embodiment shown in FIG. 1 is formed into a conical side surface shape. Two solenoids9.
9 allows it to slide on the nousing 7 in the axial direction, and the rest has the same structure as the first embodiment.
この第２の実施例においては、ソレノイド９．９をＯＮ
、 ＯＦＦさせることによりカム８をピストン３に当
接させたシ、また離反させたりして、ピストン３の作動
、不作動を切換えることができるようにしたものであシ
、基本的には第１の実施例と同様の作用、効果を得るこ
とができる。In this second embodiment, the solenoid 9.9 is turned ON.
By turning off the cam 8, the cam 8 can be brought into contact with the piston 3, and the cam 8 can be moved away from the piston 3 to switch between operation and non-operation of the piston 3.Basically, the first The same functions and effects as in the embodiment can be obtained.
なおこの第２の実施例に、特開昭５８−８４１１に開示
されるごとき、タイヤの空気圧、タイヤにかかる荷重、
車両走行時の振動レベル、車速等を検出してタイヤの空
気圧を制御する制御装置を組合わせて、ソレノイド９．
９及びりＩノー７バルブ１３を細かく制御してやること
によシ、適正かつ効率のよいタイヤ空気圧の自動制御が
可能となる。In addition, in this second embodiment, as disclosed in Japanese Patent Application Laid-open No. 58-8411, tire air pressure, load applied to the tire,
The solenoid 9. is combined with a control device that detects the vibration level, vehicle speed, etc. when the vehicle is running and controls tire air pressure.
By finely controlling the 9 and 1/7 valves 13, proper and efficient automatic control of tire air pressure becomes possible.
なお本発明の第１．第２の実施例においては、空気圧供
給源としてレシプロタイプのポンプを用いて説明を行な
ったが、ロータリタイプ、ベーンタイプのポンプを用い
ることによっても同様の効果を得られることは言うまで
もない。Note that the first aspect of the present invention. Although the second embodiment has been described using a reciprocating type pump as the air pressure supply source, it goes without saying that similar effects can be obtained by using a rotary type or vane type pump.
以上説明してきたように、本発明によれば、空気圧供給
源を車輪側部材に設けるとともに、空気圧供給源作動部
を車体側部材に設け、この空気圧供給源作動部が、この
空気圧供給源に対して相対回転することにより空気圧供
給源を作動はせるようにしたことによシ、空気洩れ、耐
久性に問題のあるロータリジヨイントを廃止することが
でき、簡単な構成でかつ性能、耐久性を向上させること
ができろ。As explained above, according to the present invention, the pneumatic pressure supply source is provided in the wheel side member, and the pneumatic pressure supply source operating section is provided in the vehicle body side member, and the pneumatic pressure supply source operating section is connected to the pneumatic pressure supply source. By operating the air pressure supply source by relative rotation between the two cylinders, it is possible to eliminate rotary joints that have problems with air leakage and durability. You can improve it.
第１図は本発明の第１の実施例、第２図は本発明の第２
の実施例を示す。FIG. 1 shows a first embodiment of the present invention, and FIG. 2 shows a second embodiment of the present invention.
An example is shown below.
Claims (1)
取付けられる空気入りタイヤと、前記空気入りタイヤの
空気室に空気を供給する空気圧供給源とが連通してなる
タイヤの空気圧自動調整装置において、前記空気圧供給
源を前記車輪側部材に設けるとともに、空気圧供給源作
動部を前記車体側部材に設け、前記空気圧供給源作動部
が、前記空気圧供給源に対して相対回転することにより
前記空気圧供給源を作動させることを特徴とする空気入
りタイヤの空気圧自動調整装置。An automatic tire pressure adjustment device in which a pneumatic tire attached to a wheel side member rotatably supported by a vehicle body side member of a vehicle communicates with an air pressure supply source that supplies air to an air chamber of the pneumatic tire. The pneumatic pressure supply source is provided on the wheel side member, and the pneumatic pressure supply source actuation section is provided on the vehicle body side member, and the pneumatic pressure source actuation section rotates relative to the pneumatic pressure supply source to adjust the air pressure. An automatic air pressure adjustment device for pneumatic tires, characterized by operating a supply source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14156785A JPS624617A (en) | 1985-06-29 | 1985-06-29 | Automatic regulating device for tire pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14156785A JPS624617A (en) | 1985-06-29 | 1985-06-29 | Automatic regulating device for tire pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS624617A true JPS624617A (en) | 1987-01-10 |
Family
ID=15294976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14156785A Pending JPS624617A (en) | 1985-06-29 | 1985-06-29 | Automatic regulating device for tire pressure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS624617A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003066354A1 (en) * | 2002-02-05 | 2003-08-14 | Nakano, Takaji | Automatic air feeding mechanism for pneumatic tires, and pneumatic tire connecting device |
| WO2004087441A1 (en) * | 2003-03-28 | 2004-10-14 | Takaji Nakano | Automatic air supply mechanism of pneumatic tire |
| WO2004087442A1 (en) * | 2003-03-28 | 2004-10-14 | Takaji Nakano | Automatic air-feeding mechanism for pneumatic tire |
| JP2007176364A (en) * | 2005-12-28 | 2007-07-12 | Toyota Motor Corp | Tire air pressure generating device |
| JP2007176356A (en) * | 2005-12-28 | 2007-07-12 | Toyota Motor Corp | Air-feeding device |
| JP2008030723A (en) * | 2006-06-28 | 2008-02-14 | Nsk Ltd | Rolling bearing unit for supporting wheel with air compressor |
| JP2009090826A (en) * | 2007-10-09 | 2009-04-30 | Honda Motor Co Ltd | Pump for air supply |
| US8042585B2 (en) * | 2006-01-19 | 2011-10-25 | Toyota Jidosha Kabushiki Kaisha | Apparatus for controlling tire inflation pressure |
| WO2017049075A3 (en) * | 2015-09-16 | 2017-05-26 | Illinois Tool Works Inc. | Tire pressure control system and components |
| KR20190126763A (en) * | 2016-11-24 | 2019-11-12 | 일리노이즈 툴 워크스 인코포레이티드 | Vehicle with compressor assembly |
| US11179980B2 (en) | 2016-01-04 | 2021-11-23 | Illinois Tool Works Inc. | Tire pressure control system and components |
-
1985
- 1985-06-29 JP JP14156785A patent/JPS624617A/en active Pending
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7124789B2 (en) | 2002-02-05 | 2006-10-24 | Takaji Nakano | Automatic air feeding mechanism for pneumatic tires, and pneumatic tire connecting device |
| CN1325292C (en) * | 2002-02-05 | 2007-07-11 | 中野隆次 | Automatic air feeding mechanism for pneumatic tires, and pneumatic tire connecting device |
| WO2003066354A1 (en) * | 2002-02-05 | 2003-08-14 | Nakano, Takaji | Automatic air feeding mechanism for pneumatic tires, and pneumatic tire connecting device |
| US7581576B2 (en) | 2003-03-28 | 2009-09-01 | Takaji Nakano | Automatic air-feeding mechanism for pneumatic tire |
| WO2004087441A1 (en) * | 2003-03-28 | 2004-10-14 | Takaji Nakano | Automatic air supply mechanism of pneumatic tire |
| WO2004087442A1 (en) * | 2003-03-28 | 2004-10-14 | Takaji Nakano | Automatic air-feeding mechanism for pneumatic tire |
| JPWO2004087442A1 (en) * | 2003-03-28 | 2006-06-29 | 中野 隆次 | Automatic pneumatic tire supply mechanism |
| JP4538409B2 (en) * | 2003-03-28 | 2010-09-08 | 隆次 中野 | Automatic pneumatic tire supply mechanism |
| JP4529899B2 (en) * | 2005-12-28 | 2010-08-25 | トヨタ自動車株式会社 | Air supply device |
| US8052400B2 (en) | 2005-12-28 | 2011-11-08 | Toyota Jidosha Kabushiki Kaisha | Air supply apparatus |
| WO2007077754A1 (en) * | 2005-12-28 | 2007-07-12 | Toyota Jidosha Kabushiki Kaisha | Device for generating tire air pressure |
| US7926530B2 (en) | 2005-12-28 | 2011-04-19 | Toyota Jidosha Kabushiki Kaisha | Device for generating tire air pressure |
| WO2007077755A1 (en) * | 2005-12-28 | 2007-07-12 | Toyota Jidosha Kabushiki Kaisha | Air supply device |
| AU2006333845B2 (en) * | 2005-12-28 | 2009-12-10 | Toyota Jidosha Kabushiki Kaisha | Air supply apparatus |
| JP2007176356A (en) * | 2005-12-28 | 2007-07-12 | Toyota Motor Corp | Air-feeding device |
| JP2007176364A (en) * | 2005-12-28 | 2007-07-12 | Toyota Motor Corp | Tire air pressure generating device |
| JP4626765B2 (en) * | 2005-12-28 | 2011-02-09 | トヨタ自動車株式会社 | Tire pressure generator |
| US8042585B2 (en) * | 2006-01-19 | 2011-10-25 | Toyota Jidosha Kabushiki Kaisha | Apparatus for controlling tire inflation pressure |
| JP2008030723A (en) * | 2006-06-28 | 2008-02-14 | Nsk Ltd | Rolling bearing unit for supporting wheel with air compressor |
| US8123494B2 (en) | 2006-06-28 | 2012-02-28 | Nsk Ltd. | Rolling bearing unit for supporting a wheel with an air compressor |
| JP2009090826A (en) * | 2007-10-09 | 2009-04-30 | Honda Motor Co Ltd | Pump for air supply |
| JP2018528900A (en) * | 2015-09-16 | 2018-10-04 | イリノイ トゥール ワークス インコーポレイティド | Tire pressure control system and components |
| CN108496002A (en) * | 2015-09-16 | 2018-09-04 | 伊利诺斯工具制品有限公司 | Tyre pressure controlling system and component |
| WO2017049075A3 (en) * | 2015-09-16 | 2017-05-26 | Illinois Tool Works Inc. | Tire pressure control system and components |
| KR20190118951A (en) * | 2015-09-16 | 2019-10-21 | 일리노이즈 툴 워크스 인코포레이티드 | Tire pressure control system and components |
| CN108496002B (en) * | 2015-09-16 | 2021-05-18 | 伊利诺斯工具制品有限公司 | Tire pressure control system and components |
| US11225111B2 (en) | 2015-09-16 | 2022-01-18 | Illinois Tool Works Inc. | Tire pressure control system and components |
| US11179980B2 (en) | 2016-01-04 | 2021-11-23 | Illinois Tool Works Inc. | Tire pressure control system and components |
| KR20190126763A (en) * | 2016-11-24 | 2019-11-12 | 일리노이즈 툴 워크스 인코포레이티드 | Vehicle with compressor assembly |
| JP2019535583A (en) * | 2016-11-24 | 2019-12-12 | イリノイ トゥール ワークス インコーポレイティド | Vehicle equipped with a compressor device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4922984A (en) | Inflation and deflation of a tire in rotation | |
| JPS624617A (en) | Automatic regulating device for tire pressure | |
| JP2915626B2 (en) | Variable displacement vane pump | |
| KR930020059A (en) | Pressure relief valve | |
| US3390921A (en) | Modulating spring brake application and release valve | |
| JPH05269968A (en) | Supply assembly of pressure medium that can load pressure to rotatable member | |
| US6709242B2 (en) | Variable displacement pump | |
| KR20180011644A (en) | Piston pump for brake system of vehicles | |
| JPH0116344B2 (en) | ||
| US2997314A (en) | Air spring control mechanism | |
| US2916284A (en) | Air suspension leveling valve | |
| JP2000511491A (en) | Hydraulic operated shut-off valve and hydraulic vehicle brake system | |
| JPH09226610A (en) | Power steering device | |
| JP2592229Y2 (en) | Variable tire pressure device | |
| JPH02125905A (en) | Engine brake device | |
| JPS6131146Y2 (en) | ||
| JP2513534Y2 (en) | Power word equipment | |
| JPH089363Y2 (en) | Engine hydraulic control device | |
| JPH02104987A (en) | Swash plate type axial plunger pump | |
| JPS6325270Y2 (en) | ||
| KR100219195B1 (en) | Pump for a brake system | |
| JPS6128030Y2 (en) | ||
| JP3814485B2 (en) | Variable displacement pump | |
| JPH02104986A (en) | Swash plate type axial plunger pump | |
| JPH0788815B2 (en) | Diaphragm type vacuum pump |