JP2001088528A - Vehicle height adjusting device - Google Patents
Vehicle height adjusting deviceInfo
- Publication number
- JP2001088528A JP2001088528A JP26945199A JP26945199A JP2001088528A JP 2001088528 A JP2001088528 A JP 2001088528A JP 26945199 A JP26945199 A JP 26945199A JP 26945199 A JP26945199 A JP 26945199A JP 2001088528 A JP2001088528 A JP 2001088528A
- Authority
- JP
- Japan
- Prior art keywords
- vehicle height
- nut
- hydraulic
- piston
- position detector
- 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.)
- Granted
Links
Landscapes
- Axle Suspensions And Sidecars For Cycles (AREA)
- Vehicle Body Suspensions (AREA)
- Fluid-Damping Devices (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は車高調整装置に関す
る。The present invention relates to a vehicle height adjusting device.
【０００２】[0002]
【従来の技術】従来、車高調整装置として、実開平4-10
4005号公報に記載の如く、油圧緩衝器に取着される油圧
ジャッキにより懸架ばねを担持し、該油圧ジャッキに作
動油を給排する圧油給排装置を備えるものがある。2. Description of the Related Art Conventionally, as a vehicle height adjusting device, an actual open 4-10
As described in Japanese Patent Application Publication No. 4005, there is a type in which a suspension spring is carried by a hydraulic jack attached to a hydraulic shock absorber, and a hydraulic oil supply / discharge device for supplying / discharging hydraulic oil to / from the hydraulic jack is provided.
【０００３】この従来技術では、圧油給排装置が、油圧
タンク内にピストンを嵌挿してポンプ室を区画し、モー
タにて駆動されるねじ軸にナット（プランジャロッド）
を回り止めして螺合し、該ナットをピストンに衝合して
ピストンを移動可能とする。そして、ナットの前進端検
出用リミットスイッチと、後退端検出用リミットスイッ
チを備え、それらのリミットスイッチの検出結果により
モータを停止し、且つ正逆転切換制御することにより、
車高を上昇位置と下降位置に切換制御可能とする。In this prior art, a pressure oil supply / discharge device separates a pump chamber by inserting a piston into a hydraulic tank, and a nut (plunger rod) is attached to a screw shaft driven by a motor.
And the nut is abutted against the piston to allow the piston to move. A limit switch for detecting the forward end of the nut and a limit switch for detecting the backward end are provided, and the motor is stopped based on the detection result of these limit switches, and the forward / reverse switching control is performed.
The vehicle height can be switched between an ascending position and a descending position.
【０００４】[0004]
【発明が解決しようとする課題】然しながら、従来技術
には以下の問題点がある。 圧油給排装置のナットを前進端と後退端に停止させる
ことはできるが、制御によって任意の中間位置に停止さ
せることはできず、車高を任意の位置に調整できない。However, the prior art has the following problems. The nut of the pressure oil supply / discharge device can be stopped at the forward end and the backward end, but cannot be stopped at any intermediate position by control, and the vehicle height cannot be adjusted to any position.
【０００５】前進端検出用リミットスイッチと後退端
検出用リミットスイッチの２個のリミットスイッチを備
える必要があり、装置を小型、軽量化できない。[0005] It is necessary to provide two limit switches, a limit switch for detecting a forward end and a limit switch for detecting a backward end, so that the apparatus cannot be reduced in size and weight.
【０００６】現在の車高位置を表示器に表示して車高
調整できない。[0006] It is impossible to adjust the vehicle height by displaying the current vehicle height position on a display.
【０００７】本発明の課題は、簡素な装置構成によりな
がら、車高を任意の位置に調整することにある。An object of the present invention is to adjust the vehicle height to an arbitrary position while using a simple device configuration.
【０００８】また、本発明の課題は、現在の車高調整位
置を表示器に表示して車高調整できるようにすることに
ある。Another object of the present invention is to display the current vehicle height adjustment position on a display so that the vehicle height can be adjusted.
【０００９】[0009]
【課題を解決するための手段】請求項１に記載の本発明
は、油圧緩衝器に取着される油圧ジャッキにより懸架ば
ねを担持し、該油圧ジャッキに作動油を給排する圧油給
排装置を備えてなる車高調整装置において、圧油給排装
置は、油圧タンク内にピストンを嵌挿してポンプ室を区
画し、モータにて駆動されるねじ軸にナットを回り止め
して螺合し、該ナットをピストンに衝合してピストンを
移動可能とし、モータによるナットの駆動経路にナット
の位置を検出可能とする回転式位置検出器を設け、該位
置検出器の出力によりモータを制御可能としてなるよう
にしたものである。According to a first aspect of the present invention, there is provided a hydraulic oil supply / discharge system in which a suspension spring is supported by a hydraulic jack attached to a hydraulic shock absorber, and hydraulic oil is supplied / discharged to / from the hydraulic jack. In a vehicle height adjusting device comprising a device, a pressure oil supply / discharge device separates a pump chamber by inserting a piston into a hydraulic tank, and screw-locks a nut to a screw shaft driven by a motor to prevent rotation. The nut is abutted against the piston so that the piston can be moved, and a rotary position detector that can detect the position of the nut in the drive path of the nut by the motor is provided, and the motor is controlled by the output of the position detector. It is made possible.
【００１０】請求項２に記載の本発明は、請求項１に記
載の本発明において更に、前記位置検出器が、前記ナッ
トに連係せしめられる揺動アームを備えてなるようにし
たものである。According to a second aspect of the present invention, in the first aspect of the present invention, the position detector further includes a swing arm that is linked to the nut.
【００１１】請求項３に記載の本発明は、請求項１又は
２に記載の本発明において更に、前記位置検出器の出力
により車高調整位置を表示する車高表示器を運転席のフ
ロントパネルに設けてなるようにしたものである。According to a third aspect of the present invention, in addition to the first or second aspect of the present invention, a vehicle height display for displaying a vehicle height adjustment position based on an output of the position detector is provided on a front panel of a driver's seat. Is provided.
【００１２】[0012]
【作用】請求項１の発明によれば下記、の作用があ
る。 圧油給排装置のナットの位置を、該ナットの移動範囲
の全域で、回転式位置検出器により検出可能とした。従
って、圧油給排装置のナットを前進端と後退端で停止
し、且つ正逆転切換制御できるだけでなく、任意の中間
位置にも停止制御させることができ、車高を任意の位置
に調整できる。According to the first aspect of the present invention, the following operations are provided. The position of the nut of the pressure oil supply / discharge device can be detected by the rotary position detector over the entire moving range of the nut. Therefore, not only can the nut of the hydraulic oil supply / discharge device be stopped at the forward end and the backward end, and not only can the forward / reverse switching control be performed, but also the stop control can be performed at any intermediate position, and the vehicle height can be adjusted to an arbitrary position. .
【００１３】複数のリミットスイッチを用いることな
く、単一の回転式位置検出器を用いながら、上述を実
現でき、装置構成を簡素にできる。The above can be realized without using a plurality of limit switches and using a single rotary position detector, and the configuration of the apparatus can be simplified.
【００１４】請求項２の発明によれば下記の作用があ
る。 位置検出器がナットに連係する揺動アームを備えるか
ら、モータによるナットの駆動経路に対する位置検出器
の接続構造を簡易にできる。According to the second aspect of the invention, the following effects are obtained. Since the position detector includes the swing arm linked to the nut, the structure for connecting the position detector to the drive path of the nut by the motor can be simplified.
【００１５】請求項３の発明によれば下記の作用があ
る。 運転席のフロントパネルに車高表示器を設けたから、
運転者は乗車のまま、現在の車高位置を見ながら任意の
位置に車高調整できる。According to the third aspect of the invention, the following effects are obtained. Since the height indicator was installed on the front panel of the driver's seat,
The driver can adjust the vehicle height to an arbitrary position while watching the current vehicle height position while riding.
【００１６】[0016]
【発明の実施の形態】図１は車高調整装置を示す模式
図、図２は油圧緩衝器を示す模式図、図３は圧油給排装
置と油圧ジャッキを示す模式図、図４は圧油給排装置を
示す断面図、図５は図４のV−V 線に沿う矢視図、図６
は油圧タンクと油圧ジャッキのサブ組立体を示す模式図
である。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a schematic diagram showing a vehicle height adjusting device, FIG. 2 is a schematic diagram showing a hydraulic shock absorber, FIG. 3 is a schematic diagram showing a hydraulic oil supply / discharge device and a hydraulic jack, and FIG. FIG. 5 is a sectional view showing the oil supply / drainage device, FIG. 5 is a view taken along the line V-V in FIG.
FIG. 3 is a schematic diagram showing a sub-assembly of a hydraulic tank and a hydraulic jack.
【００１７】車高調整装置１０は、図１〜図３に示す如
く、油圧緩衝器２０に付帯して用いられ、油圧緩衝器２
０に取着される油圧ジャッキ１１により懸架ばね２３を
担持し、油圧ジャッキ１１に作動油を給排する圧油給排
装置１２を備える。As shown in FIGS. 1 to 3, the vehicle height adjusting device 10 is used in addition to the hydraulic
A hydraulic oil supply / discharge device 12 for supporting a suspension spring 23 by a hydraulic jack 11 attached to the hydraulic jack 11 and supplying / discharging hydraulic oil to / from the hydraulic jack 11 is provided.
【００１８】車高調整装置１０の説明に先立ち、油圧緩
衝器２０について説明する。（油圧緩衝器２０）（図
１、図２）油圧緩衝器２０は、図１、図２に示す如く、
シングルチューブ分離加圧式であり、ダンパチューブ２
１とピストンロッド２２と懸架ばね２３とを有する。Prior to the description of the vehicle height adjusting device 10, the hydraulic shock absorber 20 will be described. (Hydraulic Shock Absorber 20) (FIGS. 1 and 2) As shown in FIG. 1 and FIG.
Single tube separation and pressure type, damper tube 2
1, a piston rod 22 and a suspension spring 23.
【００１９】ダンパチューブ２１の上端側外周部にスト
ッパリング２４で固定した油圧ジャッキ１１に上スプリ
ングシート２５を取着し、ピストンロッド２２に下スプ
リングシート２６を取着し、懸架ばね２３を上スプリン
グシート２５と下スプリングシート２６の間に介装し、
路面からの衝撃を懸架ばね２３により吸収する。The upper spring seat 25 is attached to the hydraulic jack 11 fixed to the outer peripheral portion on the upper end side of the damper tube 21 by the stopper ring 24, the lower spring seat 26 is attached to the piston rod 22, and the suspension spring 23 is attached to the upper spring. Interposed between the seat 25 and the lower spring seat 26,
The suspension spring 23 absorbs the impact from the road surface.
【００２０】油圧緩衝器２０は、ダンパチューブ２１の
一端軸封部にロッドガイド２７を液密に固定し、このロ
ッドガイド２７にピストンロッド２２を貫通支持すると
ともに、オイルシール２８を備える。油圧緩衝器２０
は、ダンパチューブ２１に作動油を充填するとともに、
ピストンロッド２２に固定したピストン２９をダンパチ
ューブ２１の内部で液密に摺動自在とし、ダンパチュー
ブ２１の内部をロッド側室３０Ａとピストン側室３０Ｂ
に区画している。油圧緩衝器２０は、ダンパチューブ２
１の内部にフリーピストン３１を摺動自在に配置し、こ
のフリーピストン３１により区画される加圧ガス室３２
とリザーバ室３３を備え、リザーバ室３３とピストン側
室３０Ｂとの間にフリーピストンストッパ３４を加締め
固定し、フリーピストンストッパ３４のオリフィス３５
によりピストン側室３０Ｂとリザーバ室３３とを連通す
る。リザーバ室３３は、油圧緩衝器２０の圧縮行程と伸
長行程でピストンロッド２２の容積変化分の作動油を補
償する。The hydraulic shock absorber 20 has a rod guide 27 fixed to one end of the shaft of the damper tube 21 in a liquid-tight manner. The rod guide 27 supports the piston rod 22 through the rod guide 27 and has an oil seal 28. Hydraulic shock absorber 20
Fills the damper tube 21 with hydraulic oil,
A piston 29 fixed to the piston rod 22 is slidably and liquid-tightly slidable inside the damper tube 21, and the inside of the damper tube 21 is divided into a rod side chamber 30A and a piston side chamber 30B.
Is divided into The hydraulic shock absorber 20 includes the damper tube 2
1, a free piston 31 is slidably disposed inside, and a pressurized gas chamber 32 defined by the free piston 31.
A free piston stopper 34 is fixed between the reservoir chamber 33 and the piston side chamber 30B by caulking, and an orifice 35 of the free piston stopper 34 is provided.
Thereby, the piston side chamber 30 </ b> B communicates with the reservoir chamber 33. The reservoir chamber 33 compensates for the hydraulic oil corresponding to the volume change of the piston rod 22 during the compression stroke and the extension stroke of the hydraulic shock absorber 20.
【００２１】油圧緩衝器２０は、ピストンロッド２２の
ダンパチューブ２１への挿入端にバルブストッパ３６、
ピストン２９、バルブストッパ３７をナット３８で固定
している。そして、ピストン２９は、伸側流路３９に伸
側減衰バルブ３９Ａを、圧側流路４０（不図示）に圧側
減衰バルブ４０Ａを備える。これにより、油圧緩衝器２
０は、伸長行程では伸側減衰バルブ３９Ａを撓み変形さ
せて伸側減衰力を発生させ、圧縮行程では圧側減衰バル
ブ４０Ａを撓み変形させるとともに前述のオリフィス３
５の通路抵抗による圧側減衰力を発生させ、結果とし
て、懸架ばね２３の伸縮振動を制振させる。The hydraulic shock absorber 20 has a valve stopper 36 at the insertion end of the piston rod 22 into the damper tube 21.
The piston 29 and the valve stopper 37 are fixed with a nut 38. Further, the piston 29 includes an expansion-side damping valve 39A in the expansion-side flow path 39 and a compression-side attenuation valve 40A in the compression-side flow path 40 (not shown). Thereby, the hydraulic shock absorber 2
In the extension stroke, the extension-side damping valve 39A is flexed and deformed to generate an extension-side damping force. In the compression stroke, the compression-side damping valve 40A is flexed and deformed and the orifice 3 is used.
The pressure-side damping force is generated by the passage resistance of No. 5, and as a result, the expansion and contraction vibration of the suspension spring 23 is damped.
【００２２】尚、油圧緩衝器２０は、最伸長時に、ピス
トンロッド２２のバルブストッパ３６を、ロッドガイド
２７に保持してあるリバウンドラバー４１に当て、最伸
長ストロークを規制する。また、油圧緩衝器２０は、最
圧縮時に、ピストンロッド２２に取着してあるバンプラ
バー４２をダンパチューブ２１に固定のバンプストッパ
キャップ４３に当て、最圧縮ストロークを規制する。When the hydraulic shock absorber 20 is fully extended, the valve stopper 36 of the piston rod 22 is brought into contact with the rebound rubber 41 held by the rod guide 27 to regulate the maximum extension stroke. Further, at the time of maximum compression, the hydraulic shock absorber 20 applies a bump rubber 42 attached to the piston rod 22 to a bump stopper cap 43 fixed to the damper tube 21 to regulate the maximum compression stroke.
【００２３】（車高調整装置１０）（図１〜図６） 車高調整装置１０は、油圧ジャッキ１１と圧油給排装置
１２とから構成される。(Vehicle Height Adjustment Device 10) (FIGS. 1 to 6) The vehicle height adjustment device 10 includes a hydraulic jack 11 and a pressure oil supply / discharge device 12.
【００２４】油圧ジャッキ１１は、図１〜図３に示す如
く、ダンパチューブ２１にストッパリング２４で固定さ
れるインナハウジング５１と、インナハウジング５１に
液密に固定されるアウタハウジング５２とを有し、イン
ナハウジング５１とアウタハウジング５２にプランジャ
５３を嵌挿してジャッキ室５４を区画し、プランジャ５
３に前述のスプリングシート２５を取着可能としてい
る。油圧ジャッキ１１は、圧油給排装置１２に接続され
る給排ホース５５をアウタハウジング５２に接続され、
ジャッキ室５４に作動油を給排され、結果として、プラ
ンジャ５３を伸縮可能とする。油圧ジャッキ１１のプラ
ンジャ５３が伸びると、懸架ばね２３の反力によってダ
ンパチューブ２１が持ち上がり、車高は上がる。油圧ジ
ャッキ１１のプランジャ５３が縮むと、車高は下がる。As shown in FIGS. 1 to 3, the hydraulic jack 11 has an inner housing 51 fixed to the damper tube 21 by the stopper ring 24, and an outer housing 52 fixed to the inner housing 51 in a liquid-tight manner. , A plunger 53 is inserted into the inner housing 51 and the outer housing 52 to define a jack chamber 54.
3, the above-mentioned spring seat 25 can be attached. The hydraulic jack 11 has a supply / discharge hose 55 connected to the pressure oil supply / discharge device 12 connected to the outer housing 52,
Hydraulic oil is supplied to and discharged from the jack chamber 54, and as a result, the plunger 53 can expand and contract. When the plunger 53 of the hydraulic jack 11 is extended, the damper tube 21 is raised by the reaction force of the suspension spring 23, and the vehicle height is increased. When the plunger 53 of the hydraulic jack 11 contracts, the vehicle height decreases.
【００２５】圧油給排装置１２は、図１、図３〜図６に
示す如く、油圧タンク６１と、ギヤハウジング６２（第
１ギヤハウジング６２Ａと第２ギヤハウジング６２Ｂを
ボルト６２Ｃにより一体化したもの（図４））とを有
し、油圧タンク６１とギヤハウジング６２をＯリング６
０を介する液密状態にて、複数のボルト６４により結合
し、ギヤハウジング６２とモータ６３を複数本のボルト
６５により結合している。As shown in FIGS. 1 and 3 to 6, the pressure oil supply / discharge device 12 has a hydraulic tank 61 and a gear housing 62 (a first gear housing 62A and a second gear housing 62B are integrated by bolts 62C). (FIG. 4), and the hydraulic tank 61 and the gear housing 62 are
The gear housing 62 and the motor 63 are connected by a plurality of bolts 65 in a liquid-tight state via the zero.
【００２６】圧油給排装置１２は、油圧タンク６１の内
部にピストン６６を嵌挿してポンプ室６７を区画し、モ
ータ６３にて駆動されるねじ軸６８にナット６９を回り
止めして螺合し、ナット６９の端面をピストン６６の端
面に衝合してピストン６６を移動可能とする。ピストン
６６は、油圧タンク６１の内面に液密に摺接するための
オイルシール６６Ａを備える。ナット６９の構成につい
ては後に詳述する。The pressurized oil supply / discharge device 12 has a pump chamber 67 defined by inserting a piston 66 into a hydraulic tank 61 and screwing a nut 69 to a screw shaft 68 driven by a motor 63 to prevent rotation. Then, the end face of the nut 69 abuts against the end face of the piston 66 to allow the piston 66 to move. The piston 66 is provided with an oil seal 66A for slidingly contacting the inner surface of the hydraulic tank 61 in a liquid-tight manner. The configuration of the nut 69 will be described later in detail.
【００２７】圧油給排装置１２は、図４に示す如く、モ
ータ６３の出力軸７１にウォーム７１Ａを備え、ギヤハ
ウジング６２に軸受７２等により軸支されている中間軸
７３の一端に固定のウォームホイール７３Ａを上述のウ
ォーム７１Ａに噛合いさせ、この中間軸７３の他端にウ
ォーム７３Ｂ（不図示）を備える。他方、圧油給排装置
１２は、ギヤハウジング６２にＯリング７４Ａを介する
液密状態にてロッドガイド７４を設け、このロッドガイ
ド７４に前述のねじ軸６８の基端側を貫通支持し、ギヤ
ハウジング６２に設けた軸受７５とロッドガイド７４に
設けたブッシュ７６によりねじ軸６８を軸支し、ねじ軸
６８に固定したウォームホイール６８Ａを上述の中間軸
７３のウォーム７３Ｂ（不図示）に噛合いさせている。
このとき、ねじ軸６８は基端部と先端ねじ部６８Ｂとの
間にフランジ６８Ｃを備え、ロッドガイド７４の端面と
フランジ６８Ｃの間にスラストベアリング７７を介装し
てある。ロッドガイド７４は、オイルシール７８を備え
る。これにより、圧油給排装置１２では、モータ６３の
回転が２段の減速歯車列（出力軸７１のウォーム７１Ａ
と中間軸７３のウォームホイール７３Ａの噛合い、中間
軸７３のウォーム７３Ｂ（不図示）とねじ軸６８のウォ
ームホイール６８Ａの噛合い）で減速されてねじ軸６８
を駆動する。As shown in FIG. 4, the pressure oil supply / discharge device 12 includes a worm 71A on an output shaft 71 of a motor 63, and is fixed to one end of an intermediate shaft 73 supported by a gear housing 62 by a bearing 72 or the like. The worm wheel 73A meshes with the worm 71A described above, and the other end of the intermediate shaft 73 is provided with a worm 73B (not shown). On the other hand, the pressure oil supply / discharge device 12 has a gear housing 62 provided with a rod guide 74 in a liquid-tight state via an O-ring 74A, and the rod guide 74 penetrates and supports the base end side of the screw shaft 68 described above. A screw shaft 68 is supported by a bearing 75 provided on the housing 62 and a bush 76 provided on the rod guide 74, and a worm wheel 68A fixed to the screw shaft 68 meshes with a worm 73B (not shown) of the intermediate shaft 73 described above. Let me.
At this time, the screw shaft 68 has a flange 68C between the base end and the distal screw portion 68B, and a thrust bearing 77 is interposed between the end surface of the rod guide 74 and the flange 68C. The rod guide 74 has an oil seal 78. As a result, in the pressure oil supply / discharge device 12, the rotation of the motor 63 is reduced to a two-stage reduction gear train (the worm 71A of the output shaft 71).
And the worm wheel 73A of the intermediate shaft 73 and the worm 73B (not shown) of the intermediate shaft 73 and the worm wheel 68A of the screw shaft 68 reduce the speed.
Drive.
【００２８】圧油給排装置１２は、ねじ軸６８のねじ部
６８Ｂに前述のナット６９が螺合する。ナット６９は、
プラスチックにて射出成形され、この射出成形により、
回り止め及び検出アーム６９Ａとねじ部６９Ｂが成形さ
れる。アーム６９Ａは、図４、図５に示す如く、油圧タ
ンク６１の側部に窓状に開いたスライドガイド７９に挟
まれて摺接し、ねじ軸６８により螺動せしめられるナッ
ト６９を回り止めし、直線往復動せしめる。これによ
り、圧油給排装置１２は、モータ６３の正転と逆転によ
りねじ軸６８を駆動することによってナット６９を直線
往復動し、(a) モータ６３の正転時には、ねじ軸６８の
前進動によりピストン６６を前進させてポンプ室６７を
圧縮し、ポンプ室６７の作動油を油圧ジャッキ１１のジ
ャッキ室５４に供給し、油圧ジャッキ１１のプランジャ
５３を伸ばし、車高を上げる。他方、(b) モータ６３の
逆転時には、ねじ軸６８の後退動によりピストン６６を
後退させてポンプ室６７を拡張可能とし、懸架ばね２３
により油圧ジャッキ１１のプランジャ５３を縮め、油圧
ジャッキ１１のジャッキ室５４の作動油をポンプ室６７
に排出し、車高を下げる。In the pressure oil supply / discharge device 12, the nut 69 described above is screwed into the screw portion 68B of the screw shaft 68. The nut 69
It is injection molded with plastic, and by this injection molding,
The detent and detection arm 69A and the screw portion 69B are formed. As shown in FIGS. 4 and 5, the arm 69 </ b> A is slidably in contact with the side of the hydraulic tank 61 by being sandwiched by a slide guide 79 opened like a window, and stops the nut 69 screwed by the screw shaft 68 from rotating. Make a linear reciprocation. Thus, the pressure oil supply / discharge device 12 linearly reciprocates the nut 69 by driving the screw shaft 68 by forward and reverse rotation of the motor 63. (a) When the motor 63 rotates forward, the screw shaft 68 moves forward. The piston 66 is moved forward to compress the pump chamber 67, supply the hydraulic oil in the pump chamber 67 to the jack chamber 54 of the hydraulic jack 11, extend the plunger 53 of the hydraulic jack 11, and raise the vehicle height. On the other hand, (b) when the motor 63 rotates in the reverse direction, the piston 66 is moved backward by the backward movement of the screw shaft 68 so that the pump chamber 67 can be expanded.
The hydraulic oil in the jack chamber 54 of the hydraulic jack 11 is pumped out of the pump chamber 67 by contracting the plunger 53 of the hydraulic jack 11.
And lower the vehicle height.
【００２９】然るに、圧油給排装置１２は、油圧タンク
６１の側部に回転式位置検出器（ポテンショメータ）８
０をカバー８０Ａとともにボルト８０Ｂにより固定して
ある。位置検出器８０は、図４、図５に示す如く、検出
軸８１に揺動アーム８２を固定し、揺動アーム８２のピ
ン８３をねじりばね８４によりナット６９のアーム６９
Ａに常時押当て可能としている。これにより、位置検出
器８０は、ねじ軸６８に螺合されているナット６９に連
係し、ナット６９の位置、換言すればピストン６６の位
置、即ち現在の車高調整位置を検出可能とする。圧油給
排装置１２では、位置検出器８０の出力によりモータ６
３を制御し、車高を前述の如くに調整可能とする。尚、
位置検出器８０としては、例えば、アルプス電気（株）
製回転角センサRD101×0021を採用できる。However, the pressure oil supply / discharge device 12 includes a rotary position detector (potentiometer) 8 on the side of the hydraulic tank 61.
0 is fixed together with the cover 80A by bolts 80B. As shown in FIGS. 4 and 5, the position detector 80 fixes the swing arm 82 to the detection shaft 81, and fixes the pin 83 of the swing arm 82 to the arm 69 of the nut 69 by the torsion spring 84.
A can always be pressed. Thus, the position detector 80 is linked to the nut 69 screwed to the screw shaft 68, and can detect the position of the nut 69, in other words, the position of the piston 66, that is, the current vehicle height adjustment position. In the pressurized oil supply / discharge device 12, the motor 6 is controlled by the output of the position detector 80.
3 so that the vehicle height can be adjusted as described above. still,
As the position detector 80, for example, Alps Electric Co., Ltd.
A rotation angle sensor RD101 × 0021 manufactured by the company can be adopted.
【００３０】また、圧油給排装置１２は、位置検出器８
０の出力により現在の車高調整位置を表示する車高表示
器（不図示）を有し、この車高表示器を運転席のフロン
トパネルに設けてある。The pressure oil supply / discharge device 12 is provided with the position detector 8.
There is a vehicle height indicator (not shown) for displaying the current vehicle height adjustment position with an output of 0, and this vehicle height indicator is provided on the front panel of the driver's seat.
【００３１】尚、車高調整装置１０にあっては、図６に
示す如く、油圧タンク６１と、油圧ジャッキ１１とを給
排ホース５５により接続し、この油圧タンク６１に作動
油を注入した後、ピストン６６を嵌挿したサブ組立体９
０を用意可能とする。他方、ギヤハウジング６２にモー
タ６３を結合し、ギヤハウジング６２に中間軸７３、ね
じ軸６８、ナット６９等を内蔵したサブ組立体９１（不
図示）を用意し、このサブ組立体９１を上述のサブ組立
体９０に組込むことにより、圧油給排装置１２が構成で
きる。In the vehicle height adjusting device 10, as shown in FIG. 6, a hydraulic tank 61 and a hydraulic jack 11 are connected by a supply / discharge hose 55, and after hydraulic oil is injected into the hydraulic tank 61, , Subassembly 9 in which piston 66 is inserted
0 can be prepared. On the other hand, a motor 63 is coupled to the gear housing 62, and a sub-assembly 91 (not shown) having the intermediate shaft 73, the screw shaft 68, the nut 69, and the like built in the gear housing 62 is prepared. By incorporating it into the sub-assembly 90, the pressure oil supply / discharge device 12 can be configured.
【００３２】従って、本実施形態によれば、以下の作用
がある。 圧油給排装置１２のナット６９の位置を、該ナット６
９の移動範囲の全域で、回転式位置検出器８０により検
出可能とした。従って、圧油給排装置１２のナット６９
を前進端と後退端で停止し、且つ正逆転切換制御できる
だけでなく、任意の中間位置にも停止制御させることが
でき、車高を任意の位置に調整できる。Therefore, according to the present embodiment, the following operations are provided. The position of the nut 69 of the pressure oil supply / discharge device 12 is
The entire range of the movement range of No. 9 can be detected by the rotary position detector 80. Therefore, the nut 69 of the pressure oil supply / discharge device 12
Not only can be stopped at the forward end and the backward end, and also in the forward / reverse switching control, but also can be stopped at any intermediate position, and the vehicle height can be adjusted to an arbitrary position.
【００３３】複数のリミットスイッチを用いることな
く、単一の回転式位置検出器８０を用いながら、上述
を実現でき、装置構成を簡素にできる。The above can be realized without using a plurality of limit switches and using a single rotary position detector 80, so that the configuration of the apparatus can be simplified.
【００３４】請求項２の発明によれば下記の作用があ
る。 位置検出器８０がナット６９に連係する揺動アーム６
９Ａを備えるから、モータ６３によるナット６９の駆動
経路に対する位置検出器８０の接続構造を簡易にでき
る。According to the second aspect of the invention, the following effects are obtained. The swing arm 6 in which the position detector 80 is linked to the nut 69
Since 9A is provided, the connection structure of the position detector 80 to the drive path of the nut 69 by the motor 63 can be simplified.
【００３５】運転席のフロントパネルに車高表示器を
設けたから、運転者は乗車のまま、現在の車高位置を見
ながら任意の位置に車高調整できる。Since the vehicle height indicator is provided on the front panel of the driver's seat, the driver can adjust the vehicle height to an arbitrary position while watching the current vehicle height position while riding.
【００３６】また、本実施形態によれば、以下の作用が
ある。 車高調整装置１０を、油圧タンク６１と油圧ジャッキ
１１とを給排ホース５５により接続し、油圧タンク６１
に作動油を注入してピストン６６を嵌挿したサブ組立体
９０と、ギヤハウジング６２にモータ６３を結合し、ギ
ヤハウジング６２にねじ軸６８、ナット６９等を内蔵し
たサブ組立体９１とに分割し、これらを組立てるように
したから、組立性、メンテナンス性を向上できる。According to the present embodiment, the following operations are provided. The vehicle height adjustment device 10 is connected to the hydraulic tank 61 and the hydraulic jack 11 by a supply / discharge hose 55, and the hydraulic tank 61
Into a sub-assembly 90 in which hydraulic oil is injected into the piston and the piston 66 is inserted, and a sub-assembly 91 in which the motor 63 is connected to the gear housing 62 and the screw shaft 68 and the nut 69 are built in the gear housing 62. In addition, since these are assembled, assemblability and maintainability can be improved.
【００３７】ねじ軸６８に噛合いせしめられたナット
６９がピストン６６と分離されているから、ナット６９
とピストン６６の軸芯にずれがあっても、ピストン６６
のスムースな移動を損なうことがない。Since the nut 69 engaged with the screw shaft 68 is separated from the piston 66, the nut 69
Even if the axis of the piston 66 is misaligned,
Without compromising the smooth movement of
【００３８】ナット６９をプラスチックにより成形
し、ねじ部６９Ｂも一体成形したから、ねじを切削加工
にて形成するものに比し、フリクションが少なく、また
ナット６９に回り止め及び検出アーム６９Ａも一体成形
したから、構成を簡素化できる。Since the nut 69 is formed of plastic and the screw portion 69B is also integrally formed, the friction is less than that of the screw formed by cutting, and the nut 69 and the detection arm 69A are also integrally formed. Therefore, the configuration can be simplified.
【００３９】以上、本発明の実施の形態を図面により詳
述したが、本発明の具体的な構成はこの実施の形態に限
られるものではなく、本発明の要旨を逸脱しない範囲の
設計の変更等があっても本発明に含まれる。The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration of the present invention is not limited to this embodiment, and the design can be changed without departing from the scope of the present invention. The present invention is also included in the present invention.
【００４０】[0040]
【発明の効果】以上のように本発明によれば、簡素な装
置構成によりながら、車高を任意の位置に調整すること
ができる。As described above, according to the present invention, the vehicle height can be adjusted to an arbitrary position while using a simple device configuration.
【００４１】また、本発明によれば、現在の車高調整位
置を表示器に表示して車高調整できる。Further, according to the present invention, the current vehicle height adjustment position can be displayed on the display and the vehicle height can be adjusted.
【図１】図１は車高調整装置を示す模式図である。FIG. 1 is a schematic diagram showing a vehicle height adjusting device.
【図２】図２は油圧緩衝器を示す模式図である。FIG. 2 is a schematic diagram showing a hydraulic shock absorber.
【図３】図３は圧油給排装置と油圧ジャッキを示す模式
図である。FIG. 3 is a schematic diagram showing a pressure oil supply / discharge device and a hydraulic jack.
【図４】図４は圧油給排装置を示す断面図である。FIG. 4 is a sectional view showing a pressure oil supply / discharge device.
【図５】図５は図４のV−V 線に沿う矢視図である。FIG. 5 is an arrow view along the line VV in FIG. 4;
【図６】図６は油圧タンクと油圧ジャッキのサブ組立体
を示す模式図である。FIG. 6 is a schematic diagram showing a sub-assembly of a hydraulic tank and a hydraulic jack.
１０ 車高調整装置 １１ 油圧ジャッキ １２ 圧油給排装置 ２０ 油圧緩衝器 ２３ 懸架ばね ６１ 油圧タンク ６３ モータ ６６ ピストン ６７ ポンプ室 ６８ ねじ軸 ６９ ナット ８０ 回転式位置検出器 ８２ 揺動アーム Reference Signs List 10 Height adjustment device 11 Hydraulic jack 12 Pressure oil supply / discharge device 20 Hydraulic shock absorber 23 Suspension spring 61 Hydraulic tank 63 Motor 66 Piston 67 Pump chamber 68 Screw shaft 69 Nut 80 Rotary position detector 82 Swing arm
Claims (3)
より懸架ばねを担持し、該油圧ジャッキに作動油を給排
する圧油給排装置を備えてなる車高調整装置において、 圧油給排装置は、油圧タンク内にピストンを嵌挿してポ
ンプ室を区画し、モータにて駆動されるねじ軸にナット
を回り止めして螺合し、該ナットをピストンに衝合して
ピストンを移動可能とし、 モータによるナットの駆動経路にナットの位置を検出可
能とする回転式位置検出器を設け、該位置検出器の出力
によりモータを制御可能としてなることを特徴とする車
高調整装置。1. A vehicle height adjusting device comprising: a hydraulic jack attached to a hydraulic shock absorber, a suspension spring, and a hydraulic oil supply / discharge device for supplying / discharging hydraulic oil to / from the hydraulic jack. The discharge device inserts a piston into the hydraulic tank to divide the pump chamber, locks a nut on a screw shaft driven by a motor, locks the nut, and moves the piston by abutting the nut against the piston. A vehicle height adjusting device, comprising: a rotary position detector for detecting a position of a nut in a driving path of the nut by a motor, wherein the motor can be controlled by an output of the position detector.
しめられる揺動アームを備えてなる請求項１記載の車高
調整装置。2. The vehicle height adjusting device according to claim 1, wherein the position detector includes a swing arm linked to the nut.
置を表示する車高表示器を運転席のフロントパネルに設
けてなる請求項１又は２記載の車高調整装置。3. The vehicle height adjustment device according to claim 1, wherein a vehicle height indicator for displaying a vehicle height adjustment position based on an output of the position detector is provided on a front panel of a driver's seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26945199A JP4410349B2 (en) | 1999-09-22 | 1999-09-22 | Vehicle height adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26945199A JP4410349B2 (en) | 1999-09-22 | 1999-09-22 | Vehicle height adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001088528A true JP2001088528A (en) | 2001-04-03 |
| JP4410349B2 JP4410349B2 (en) | 2010-02-03 |
Family
ID=17472625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26945199A Expired - Lifetime JP4410349B2 (en) | 1999-09-22 | 1999-09-22 | Vehicle height adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4410349B2 (en) |
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| JP2014193666A (en) * | 2013-03-28 | 2014-10-09 | Showa Corp | Vehicle height adjustment device for motorcycle |
| WO2015010887A1 (en) * | 2013-07-25 | 2015-01-29 | Bayerische Motoren Werke Aktiengesellschaft | Suspension strut for a vehicle wheel and method for the control thereof |
| JP2019073139A (en) * | 2017-10-16 | 2019-05-16 | 川崎重工業株式会社 | Motor cycle |
| CN111788078A (en) * | 2018-05-16 | 2020-10-16 | 舍弗勒技术股份两合公司 | Device for adjusting the height of a vehicle body |
| CN111788078B (en) * | 2018-05-16 | 2023-11-21 | 舍弗勒技术股份两合公司 | Device for adjusting the body height of a vehicle |
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