JP2932043B2 - Automotive jack device - Google Patents
Automotive jack deviceInfo
- Publication number
- JP2932043B2 JP2932043B2 JP6307079A JP30707994A JP2932043B2 JP 2932043 B2 JP2932043 B2 JP 2932043B2 JP 6307079 A JP6307079 A JP 6307079A JP 30707994 A JP30707994 A JP 30707994A JP 2932043 B2 JP2932043 B2 JP 2932043B2
- Authority
- JP
- Japan
- Prior art keywords
- leg
- tire
- leg member
- hydraulic cylinder
- state
- 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 - Lifetime
Links
Landscapes
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、側溝に脱輪したり、タ
イヤを交換したり、或は滑べり止めチェーンを装脱する
場合などに、タイヤを持ち上げる自動車用ジャッキ装置
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jack device for an automobile which lifts a tire when a wheel is removed from a side groove, a tire is replaced, or a non-slip chain is mounted or dismounted.
【０００２】[0002]
【従来の技術】従来の自動車用ジャッキ装置としては、
例えば特開平２−１９３８９３号公報に記載されている
ように、タイヤから前後いずれかに離間して従動ホイー
ルを設け、この従動ホイールに放射方向に向けて棒状の
スタンドを固着し、タイヤと従動ホイールとの間に伝動
ホイールを昇降可能に設けたものが提案されている。こ
のジャッキ装置によりタイヤを持ち上げるには、伝動ホ
イールをタイヤと従動ホイールとの間に下降して両者に
接触させ、タイヤの回転を伝動ホイールを介して従動ホ
イールに伝え、従動ホイールを回転する。この様にして
従動ホイールを回転すると、従動ホイールの外周面から
突出したスタンドの先端が路面に当たり、更に従動ホイ
ールが回転すると、突出したスタンドに支えられる様に
して車体が持ち上げられ、これによりタイヤが路面から
浮き上がる。2. Description of the Related Art As a conventional jack device for an automobile,
For example, as described in JP-A-2-193893, a driven wheel is provided at a position separated from the tire in either front or rear direction, and a rod-shaped stand is fixed to the driven wheel in the radial direction, and the tire and the driven wheel are fixed. In this case, a transmission wheel is provided so as to be able to move up and down. In order to lift the tire with this jack device, the transmission wheel is lowered between the tire and the driven wheel to make contact with both, and the rotation of the tire is transmitted to the driven wheel via the transmission wheel to rotate the driven wheel. When the driven wheel is rotated in this manner, the tip of the stand protruding from the outer peripheral surface of the driven wheel hits the road surface, and when the driven wheel is further rotated, the vehicle body is lifted up so as to be supported by the protruding stand, whereby the tires are lifted. Float from the road.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記し
た従来の自動車用ジャッキ装置は、単にタイヤを持ち上
げるだけであり、持ち上げた状態で車体を移動すること
はできない。したがって、側溝に脱輪した場合には使用
することができない。However, the above-described conventional jack apparatus for a vehicle merely lifts the tires, and cannot move the vehicle body in a state where the tires are lifted. Therefore, it cannot be used when the wheel is removed from the side groove.
【０００４】また、車体を持ち上げることにより車輪を
路面から浮かせる構成なので、車体を持ち上げてサスペ
ンションのストロークが伸び切ってから更に車体を持ち
上げなければ、タイヤが路面から浮き上がらない。した
がって、ジャッキ装置のストロークを大きく設定しなく
てはならない。Further, since the wheels are lifted off the road surface by lifting the vehicle body, the tires do not lift off the road surface unless the vehicle body is lifted and the suspension stroke is extended and the vehicle body is further lifted. Therefore, the stroke of the jack device must be set large.
【０００５】さらに、駆動側タイヤの前後いずれかに従
動ホイールを設けなければならないので、従動側タイヤ
を持ち上げることができないし、ジャッキ装置を取り付
けるための大きなスペースも必要となる。Further, since a driven wheel must be provided either before or after the driving tire, the driven tire cannot be lifted, and a large space for mounting the jack device is required.
【０００６】そこで、本発明は、単にタイヤを持ち上げ
るだけではなく、持ち上げた状態で移動することができ
る自動車用ジャッキ装置を提供しようとすることを目的
とする。SUMMARY OF THE INVENTION It is an object of the present invention to provide a jack apparatus for an automobile which can move not only by lifting the tire but also by lifting the tire.
【０００７】[0007]
【課題を解決するための手段】本発明は上記した目的を
達成するために提案されたもので、伸縮用駆動源として
の油圧シリンダの駆動により伸縮可能であって、基端を
車体の下部に軸着して揺動可能とした脚部材と、該脚部
材の自由端に、自動車のタイヤの向きと異なる方向に向
けて設けた補助輪と、脚部材を揺動して補助輪を下に向
けた作動状態と、補助輪を横乃至斜め横に向けた格納状
態とに変換する格納用駆動源と、前記補助輪を横乃至斜
め横に向けた格納状態における脚部材を維持する収納ロ
ック機構とを備え、前記脚部材はガイド溝を形成した脚
部本体と、前記ガイド溝により脚部本体に対し摺動可能
なスライド部材とを有し、前記伸縮用駆動源としての油
圧シリンダを脚部材の脚部本体に固定してそのロッドの
先端をスライド部材に止着し、前記スライド部材の先端
に前記補助輪を設け、前記格納用駆動源を脚部材の脚部
本体に軸着し、前記収納ロック機構は、脚部本体から突
出する第１係合部材と、車体の下部に回動可能な状態で
軸着して前記第１係合部材に係脱する第２係合部材と、
第２係合部材を解除方向に回動する解除用ソレノイド及
び第２係合部材を係合方向に付勢するスプリング等によ
り構成したことを特徴とする。SUMMARY OF THE INVENTION The present invention has been proposed to achieve the above-mentioned object, and can be extended and contracted by driving a hydraulic cylinder as a driving source for extension and contraction. A leg member that is pivotally mounted on a shaft, an auxiliary wheel provided at a free end of the leg member in a direction different from the direction of the tire of the vehicle, and an auxiliary wheel is pivoted down by rocking the leg member. A storage drive source for converting the operating state into a storage state in which the auxiliary wheels are turned sideways or diagonally sideways, and a storage lock mechanism for maintaining the leg member in the storage state in which the auxiliary wheels are turned sideways or diagonally sideways. The leg member has a leg body having a guide groove formed therein, and a slide member slidable with respect to the leg body by the guide groove, wherein the leg member is provided with a hydraulic cylinder as the expansion / contraction drive source. And fix the rod end to the slide body. , The auxiliary wheel is provided at the tip of the slide member, the storage drive source is pivotally mounted on the leg body of the leg member, and the storage lock mechanism is configured to be in a first engagement position protruding from the leg body. A member, a second engagement member pivotally attached to a lower part of the vehicle body so as to be rotatable and engaged with and disengaged from the first engagement member;
It is characterized by comprising a release solenoid that rotates the second engagement member in the release direction , a spring that biases the second engagement member in the engagement direction, and the like.
【０００８】[0008]
【作用】格納用駆動源の駆動により脚部材を揺動して作
動状態にすると、補助輪が下に向き、この作動状態で伸
縮用駆動源の駆動により脚部材を伸ばすと、補助輪が路
面に接地する。この状態でさらに脚部材を伸ばすと、リ
ヤーアクスルが上昇するので、この脚部の伸長長さに応
じてタイヤが持ち上げられて路面から浮き上がる。そし
て、補助輪は自動車のタイヤの向きとは異なる方向に向
いているので、車体を横方向に移動することができる。When the leg member is swung by the drive of the drive source for storage to make it in the operating state, the auxiliary wheel is directed downward. Connect to ground. When the leg member is further extended in this state, the rear axle rises, so that the tire is lifted up from the road surface according to the extension length of the leg portion. Since the auxiliary wheels are oriented in a direction different from the direction of the tires of the automobile, the vehicle body can be moved laterally.
【０００９】格納用駆動源の駆動により脚部材を揺動し
て作動状態にすると、補助輪が下に向き、この作動状態
で伸縮用駆動源の駆動により脚部材を伸ばすと、補助輪
が路面に接地する。この状態でさらに脚部材を伸ばす
と、車体が上昇し、サスペンションのストロークを超え
て車体を上昇するとタイヤが持ち上げられて路面から浮
き上がる。そして、補助輪は自動車のタイヤの向きとは
異なる方向に向いているので、車体を横方向に移動する
ことができる。When the leg member is swung by the driving of the storage drive source to be in an operating state, the auxiliary wheels are directed downward. In this operating state, when the leg members are extended by driving the telescopic drive source, the auxiliary wheels are turned on the road surface. Connect to ground. When the leg members are further extended in this state, the vehicle body rises, and when the vehicle body rises beyond the stroke of the suspension, the tires are lifted and lifted off the road surface. Since the auxiliary wheels are oriented in a direction different from the direction of the tires of the automobile, the vehicle body can be moved laterally.
【００１０】回転駆動機構を作動すると、補助輪が回転
駆動する。したがって、車体が横方向に自走する。When the rotation drive mechanism is operated, the auxiliary wheels are driven to rotate. Therefore, the vehicle body runs in the lateral direction.
【００１１】[0011]
【実施例】以下、本発明の実施例を図面にもとづいて説
明する。図１はジャッキ装置１の格納状態を示す正面
図、図２は作動状態を示す正面図、図３は作動状態にお
ける側面図である。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view showing a storage state of the jack device 1, FIG. 2 is a front view showing an operation state, and FIG. 3 is a side view in the operation state.
【００１２】このジャッキ装置１は、リヤーサスペンシ
ョンのバネ下部材であるリヤーアクスル２に断面コ字状
の補強材３を被せて固定し、この補強材３に装着したも
ので、伸縮用駆動源の駆動により伸縮可能であって、基
端を補強材３に軸着して揺動可能とした脚部材４と、該
脚部材４の自由端に、自動車のタイヤ５の向きとは異な
る車幅方向に向けて設けた補助輪６と、脚部材４を揺動
して補助輪６を下に向けた作動状態と、補助輪６を横乃
至斜め横に向けた格納状態とに変換する格納駆動源など
が主な構成要素である。The jack device 1 is provided with a reinforcing member 3 having a U-shaped cross section fixed over a rear axle 2 which is a unsprung member of a rear suspension, and mounted on the reinforcing member 3. A leg member 4 which can be expanded and contracted by driving and is pivotally mounted at a base end thereof on a reinforcing member 3, and a free end of the leg member 4 is provided in a vehicle width direction different from the direction of the tire 5 of the automobile. And a storage drive source for converting an auxiliary wheel 6 into an operation state in which the auxiliary wheel 6 is turned downward by swinging the leg member 4 and a storage state in which the auxiliary wheel 6 is turned sideways or obliquely sideways. Are the main components.
【００１３】脚部材４は、図２および図３に示すよう
に、下半両側部にガイド溝７を内側に向けて形成した略
羽子板状の脚部本体８と、該脚部本体８のガイド溝７内
に両側縁を摺動可能な状態で嵌合したスライド部材９と
を有し、脚部本体８に伸縮用駆動源としての第１油圧シ
リンダ１１のシリンダチューブ１１ａを固定し、該第１
油圧シリンダ１１のロッド１１ｂの先端をスライド部材
９の上端に止着し、該第１油圧シリンダ１１の駆動によ
りスライド部材９をスライドさせて全長を調整（伸縮）
できる様に構成してある。そして、脚部本体８の上端に
開設し軸孔内に軸１２を通し、この軸１２の先端部分を
補強材３の軸受孔内に通して止めることにより回動可能
な状態で取り付け、スライド部材９の先端（図２中下
端）に設けた片持ち軸１３によって補助輪６を回転可能
に取り付ける。なお、脚部材４を軸着する位置は、リヤ
ーアクスル２の中央であることが好ましく、デファレン
シャルギアがある場合にはその近くに軸着する。As shown in FIGS. 2 and 3, the leg member 4 has a substantially feather-plate-shaped leg body 8 having guide grooves 7 formed inward on both lower half sides, and a guide for the leg body 8. A slide member 9 fitted in the groove 7 so that both side edges are slidable; a cylinder tube 11a of a first hydraulic cylinder 11 as a telescopic drive source is fixed to the leg body 8; 1
The tip of the rod 11b of the hydraulic cylinder 11 is fixed to the upper end of the slide member 9, and the slide member 9 is slid by the driving of the first hydraulic cylinder 11 to adjust the total length (expansion and contraction).
It is configured to be able to. Then, the shaft member 12 is opened at the upper end of the leg body 8, the shaft 12 is passed through the shaft hole, and the tip portion of the shaft 12 is passed through the bearing hole of the reinforcing member 3 and stopped so as to be attached in a rotatable state. The auxiliary wheel 6 is rotatably attached by a cantilever shaft 13 provided at the tip (the lower end in FIG. 2) of the auxiliary wheel 9. The position where the leg member 4 is pivoted is preferably at the center of the rear axle 2, and if there is a differential gear, it is pivoted near the differential gear.
【００１４】また、スライド部材９に、油圧モータ１４
等からなる回転駆動機構１５を設け、この回転駆動機構
１５の出力側を補助輪６に接続してある。したがって、
回転駆動機構１５を作動すると、補助輪６が回転駆動さ
れる。The slide member 9 is provided with a hydraulic motor 14.
A rotation drive mechanism 15 is provided, and the output side of the rotation drive mechanism 15 is connected to the auxiliary wheel 6. Therefore,
When the rotation drive mechanism 15 is operated, the auxiliary wheels 6 are driven to rotate.
【００１５】また、補助輪６にはブレーキ機構１６を備
える。このブレーキ機構１６は、補助輪６を制動できれ
ばどのような構成でもよいが、図面に示す実施例では、
補助輪６にブレーキドラム１７を同軸上に設け、該ブレ
ーキドラム１７の外周面にブレーキバンド１８を弛緩可
能な状態で巻装し、ブレーキバンド１８の端部に外方に
向けて形成した両カムフォロアー１９，１９間に略楕円
形のカム２０を回転可能に設けるとともに、カムフォロ
アー１９，１９の外側にスプリング２１を設けてブレー
キバンド１８が締まる方向に付勢し、スライド部材９に
取り付けたソレノイド２２と上記カム２０の軸との間を
レバーとクランク等から構成される伝達機構２３によっ
て連結する。The auxiliary wheel 6 has a brake mechanism 16. The brake mechanism 16 may have any configuration as long as it can brake the auxiliary wheel 6, but in the embodiment shown in the drawings,
A brake drum 17 is provided coaxially on the auxiliary wheel 6, and a brake band 18 is wound around an outer peripheral surface of the brake drum 17 in a relaxable state, and both cams are formed on the ends of the brake band 18 so as to face outward. A substantially elliptical cam 20 is rotatably provided between the followers 19, 19, and a spring 21 is provided on the outside of the cam followers 19, 19 to urge the brake band 18 in a tightening direction and to be mounted on the slide member 9. 22 and the shaft of the cam 20 are connected by a transmission mechanism 23 including a lever and a crank.
【００１６】なお、ソレノイド２２が消磁した状態で
は、図４中点線で示すように、カム２０の短径が両カム
フォロアー１９，１９に接触してブレーキバンド１８が
締まって補助輪６の回転を阻止し、ソレノイド２２が励
磁すると、図４中実線で示すように、レバーが揺動する
などしてカム２０がほぼ９０度回動するように構成して
ある。この様に、カム２０が回動すると、カム２０の長
径が両カムフォロアー１９，１９の間隔を拡大するの
で、補助輪６の拘束が解除されて自由に回転できる状態
になる。When the solenoid 22 is demagnetized, as shown by the dotted line in FIG. 4, the short diameter of the cam 20 contacts the two cam followers 19, 19, and the brake band 18 is tightened to stop the rotation of the auxiliary wheel 6. When the solenoid is excited and the solenoid 22 is excited, as shown by the solid line in FIG. 4, the lever 20 swings and the cam 20 is rotated by approximately 90 degrees. In this manner, when the cam 20 rotates, the longer diameter of the cam 20 increases the interval between the two cam followers 19, 19, so that the restraint of the auxiliary wheel 6 is released and the auxiliary wheel 6 can be freely rotated.
【００１７】上記した構成からなる脚部材４は、格納用
駆動源の駆動により補助輪６を下に向けた作動状態（図
２）と、補助輪６を横乃至斜め横に向けた格納状態（図
１）とに変換することができる。本実施例では、格納用
駆動源としてストロークの長い第２油圧シリンダ２４を
用い、この第２油圧シリンダ２４のシリンダチューブ２
４ａの基端を、脚部材４の軸着位置から離隔した補強材
３に軸により揺動可能な状態で止着し、ロッド２４ｂの
先端を脚部材４の脚部本体８のブラケット２５に軸着す
る。The leg member 4 having the above-described configuration operates in a state in which the auxiliary wheel 6 is directed downward by driving the storage drive source (FIG. 2), and in a stored state in which the auxiliary wheel 6 is directed sideways or obliquely sideways. FIG. 1). In the present embodiment, the second hydraulic cylinder 24 having a long stroke is used as the drive source for storage.
The base end of the rod member 4a is fixed to the reinforcing member 3 separated from the shaft attachment position of the leg member 4 so as to be swingable by the shaft, and the distal end of the rod 24b is connected to the bracket 25 of the leg body 8 of the leg member 4 by the shaft. To wear.
【００１８】また、脚部材４を収納した状態を確実に維
持するために、収納ロック機構を設けてある。この収納
ロック機構は、脚部本体８の車体中央側の側部から突出
する状態で固定したフック状の第１係合部材２７と、脚
部材４の軸着位置と第２油圧シリンダ２４の軸着位置と
の間の補強材３に回動可能な状態で軸着したフック状の
第２係合部材２８と、この第２係合部材２８を解除方向
に回動する解除用ソレノイド２９と、第２係合部材２８
を係合方向に付勢するスプリング３０などからなる。し
たがって、第２油圧シリンダ２４の駆動により脚部材４
を揺動して収納すると、図１に示すように、第１係合部
材２７が第２係合部材２８に係合し、この係合によって
脚部材４はロックされて収納状態を維持する。なお、常
態においては解除ソレノイド２２が消磁しているので、
スプリング３０の付勢力により第１，第２係合部材２
７，２８が係合状態を保っている。このため、第２油圧
シリンダ２４に多少のリークがあっても、脚部材４が自
重で下降することはない。Further, a storage lock mechanism is provided to reliably maintain the state where the leg members 4 are stored. The storage lock mechanism includes a hook-shaped first engagement member 27 fixed so as to protrude from the side of the leg body 8 on the center side of the vehicle body, a shaft attachment position of the leg member 4 and a shaft of the second hydraulic cylinder 24. A hook-shaped second engagement member 28 pivotally attached to the reinforcing member 3 between the attachment position and a release solenoid 29 for rotating the second engagement member 28 in a release direction; Second engagement member 28
, And the like in the engagement direction. Therefore, the leg member 4 is driven by the driving of the second hydraulic cylinder 24.
As shown in FIG. 1, the first engaging member 27 is engaged with the second engaging member 28, and the leg member 4 is locked by this engagement to maintain the stored state. In the normal state, since the release solenoid 22 is demagnetized,
The first and second engaging members 2 are urged by the biasing force of the spring 30.
7, 28 maintain the engaged state. For this reason, even if there is some leak in the second hydraulic cylinder 24, the leg member 4 does not descend by its own weight.
【００１９】この様に、脚部材４を揺動する第２油圧シ
リンダ２４をはじめとして、前記第１油圧シリンダ１
１、および油圧モータ１４は、共通の油圧ポンプ３１か
ら作動油の供給を受けて作動する。油圧ポンプ３１はエ
ンジンにより駆動され、電磁クラッチのオン・オフによ
って作動したり、停止する。そして、油圧ポンプ３１と
油圧シリンダ１１，２４や油圧モータ１４との間を結ぶ
油圧回路について簡単に説明すると、図５に示すよう
に、油圧ポンプ３１の吐出側と第１油圧シリンダ１１と
の間に第１電磁弁３２を、第２油圧シリンダ２４との間
に第２電磁弁３３を、油圧モータ１４との間に第３電磁
弁３４をそれぞれ設け、これら電磁弁と各アクチュエー
タとの間には流量調整弁、パイロットチェック弁を適宜
設ける。なお、上記電磁クラッチ、第１，第２，第３電
磁弁３２，３３，３４のスイッチは、運転席に設けた操
作パネルに配設されている。したがって、この操作パネ
ルのスイッチを操作することにより第１，第２油圧シリ
ンダ１１，２４、および油圧モータ１４を作動、停止す
ることができる。また、油圧ポンプ３１は、他の機器用
として既に備えている自動車においてはこれを利用し、
別途設けなくてもよい。As described above, the first hydraulic cylinder 1 including the second hydraulic cylinder 24 that swings the leg
1 and the hydraulic motor 14 operate by receiving a supply of hydraulic oil from a common hydraulic pump 31. The hydraulic pump 31 is driven by the engine, and operates or stops when the electromagnetic clutch is turned on / off. A hydraulic circuit connecting the hydraulic pump 31 to the hydraulic cylinders 11, 24 and the hydraulic motor 14 will be briefly described. As shown in FIG. A first solenoid valve 32, a second solenoid valve 33 between the second hydraulic cylinder 24 and a third solenoid valve 34 between the hydraulic motor 14, and a solenoid valve between the solenoid valve and each actuator. Is provided with a flow control valve and a pilot check valve as appropriate. The switches of the electromagnetic clutch and the first, second, and third electromagnetic valves 32, 33, and 34 are provided on an operation panel provided in a driver's seat. Therefore, by operating the switches on the operation panel, the first and second hydraulic cylinders 11 and 24 and the hydraulic motor 14 can be operated and stopped. In addition, the hydraulic pump 31 is used in a vehicle already provided for other devices,
It does not have to be provided separately.
【００２０】次に、上記した構成からなるジャッキ装置
１の作用について説明する。なお、自動車が通常走行す
る場合には、図１に示すように、脚部材４は第２油圧シ
リンダ２４に引き上げられてロック機構によりロックさ
れている。また、この状態においては、電磁クラッチを
オフにして油圧ポンプ３１を停止し、エンジンのパワー
ロスを防止する。Next, the operation of the jack device 1 having the above configuration will be described. When the vehicle normally travels, the leg member 4 is pulled up by the second hydraulic cylinder 24 and locked by the lock mechanism, as shown in FIG. In this state, the electromagnetic clutch is turned off to stop the hydraulic pump 31 to prevent engine power loss.
【００２１】側溝に脱輪したり、パンクしたタイヤを交
換したり、或は滑べり止めチェーンを装脱する場合な
ど、タイヤ５を持ち上げる必要が生じたときには、電磁
クラッチをオンにして油圧ポンプ３１を始動するととも
に、解除ソレノイド２２を励磁して第２係合部材２８を
回動し、この回動により第１，第２係合部材２７，２８
の係合を解除する。そして、この状態で第２電磁弁３３
を切り換えることにより、第２油圧シリンダ２４をロッ
ド２４ｂが伸びる方向に作動する。このロッド２４ｂが
伸びると、脚部材４が補助輪６を下降する方向に揺動し
始め、脚部材４がほぼ垂直になるまで十分に揺動する
と、図２に示すように、補強材３に設けたストッパ３５
に脚部材４の側部が当接するとともに脚部材位置検出器
からの信号に基づいて第２電磁弁３３が中立状態に復帰
して第２油圧シリンダ２４の伸長動作が停止する。した
がって、脚部材４はほぼ垂直に垂下して補助輪６を真下
に向けた作動状態で停止する。なお、この状態では第１
油圧シリンダ１１のロッド１１ｂが縮んでいるので補助
輪６は路面から離れている。When the tire 5 needs to be lifted, for example, when the tire 5 is derailed in a side groove, a punctured tire is replaced, or a non-skid chain is mounted or disengaged, the electromagnetic clutch is turned on and the hydraulic pump 31 is turned on. At the same time, the release solenoid 22 is excited to rotate the second engagement member 28, and the rotation causes the first and second engagement members 27 and 28 to rotate.
Is disengaged. Then, in this state, the second solenoid valve 33
, The second hydraulic cylinder 24 operates in the direction in which the rod 24b extends. When the rod 24b extends, the leg member 4 starts swinging in the direction of descending the auxiliary wheel 6, and when the leg member 4 swings sufficiently until it becomes substantially vertical, as shown in FIG. Stopper 35 provided
Then, the side of the leg member 4 abuts, and based on the signal from the leg member position detector, the second solenoid valve 33 returns to the neutral state, and the extension operation of the second hydraulic cylinder 24 stops. Therefore, the leg member 4 hangs down substantially vertically and stops in an operating state in which the auxiliary wheel 6 is directed straight downward. In this state, the first
Since the rod 11b of the hydraulic cylinder 11 is contracted, the auxiliary wheel 6 is separated from the road surface.
【００２２】この状態で第１電磁弁３２を切り換えるこ
とにより、第１油圧シリンダ１１をロッド１１ｂが伸び
る方向に作動する。第１油圧シリンダ１１のロッド１１
ｂが伸びると、スライド部材９が脚部本体８のガイド溝
７によって案内されながら下降し始める。そして、スラ
イド部材９を十分に下降すると、スライド部材９と共に
補助輪６が下降して路面に接触し、さらに第１油圧シリ
ンダ１１のロッド１１ｂを延ばすと補助輪６は路面に接
してこれ以上下降できないので脚部本体８が上昇し、こ
の脚部本体８の上昇によって、図２に示すように、タイ
ヤ５が持ち上げられる。By switching the first solenoid valve 32 in this state, the first hydraulic cylinder 11 operates in the direction in which the rod 11b extends. Rod 11 of first hydraulic cylinder 11
When b is extended, the slide member 9 starts to descend while being guided by the guide groove 7 of the leg body 8. When the slide member 9 is sufficiently lowered, the auxiliary wheel 6 is lowered together with the slide member 9 and comes into contact with the road surface. When the rod 11b of the first hydraulic cylinder 11 is further extended, the auxiliary wheel 6 is brought into contact with the road surface and further lowered. Since this is not possible, the leg body 8 rises, and the tire 5 is lifted by the rise of the leg body 8 as shown in FIG.
【００２３】なお、本実施例では脚部材４の基端をバネ
下部材側に軸着してあるのでサスペンションストローク
の影響を殆ど受けることがなく、補助輪６が路面に接し
た後に第１油圧シリンダ１１を伸ばせば、この伸びた長
さ分だけタイヤ５が持ち上がる。In this embodiment, since the base end of the leg member 4 is axially mounted on the unsprung member side, the suspension is hardly affected by the suspension stroke, and the first hydraulic pressure is applied after the auxiliary wheel 6 comes into contact with the road surface. When the cylinder 11 is extended, the tire 5 is lifted by the extended length.
【００２４】そして、タイヤ５が所望する高さまで持ち
上げられたならば第１電磁弁３２を中立位置に戻して第
１油圧シリンダ１１の伸長動作を停止する。第１電磁弁
３２を中立位置に戻すと、第１油圧シリンダ１１内の作
動油はいずれにも流れない状態ので、ロッド１１ｂが伸
縮することはなく、タイヤ５を持ち上げた状態を維持す
ることができる。When the tire 5 has been lifted to a desired height, the first solenoid valve 32 is returned to the neutral position, and the extension operation of the first hydraulic cylinder 11 is stopped. When the first solenoid valve 32 is returned to the neutral position, the hydraulic oil in the first hydraulic cylinder 11 does not flow to any of them, so that the rod 11b does not expand and contract, and the state in which the tire 5 is lifted can be maintained. it can.
【００２５】したがって、この状態でタイヤ５を交換し
たり、或は滑べり止めチェーンを装脱することができ
る。なお、補助輪６はブレーキ機構１６によって回転を
阻止されているので、路面が傾斜していても安心して作
業することができる。Therefore, in this state, the tire 5 can be replaced, or the anti-skid chain can be detached. In addition, since the rotation of the auxiliary wheel 6 is prevented by the brake mechanism 16, even if the road surface is inclined, the work can be performed with confidence.
【００２６】また、後輪が側溝に脱輪した場合などタイ
ヤ５を持ち上げてから車体を横方向に移動する必要が有
るときには、タイヤ５を十分な高さまで持ち上げた後
に、ブレーキ機構１６のソレノイド２２を励磁してブレ
ーキを解除して補助輪６を回転自由な状態にする。そし
て、第３電磁弁３４を切り換えることにより油圧モータ
１４に作動油を圧送して補助輪６を回転駆動する。この
様にして、後輪タイヤ５を持ち上げた状態で補助輪６を
回転すると、前輪を回転中心にして車体が横方向に移動
する。したがって、後輪タイヤ５を側溝上から路面上に
移動することができ、所望する位置まで移動したならば
第３電磁弁３４を中立位置に戻して補助輪６の回転を停
止する。When it is necessary to move the vehicle in the lateral direction after lifting the tire 5 such as when the rear wheel is disengaged from the side groove, after raising the tire 5 to a sufficient height, the solenoid 22 of the brake mechanism 16 is turned on. Is excited to release the brake, so that the auxiliary wheel 6 can be freely rotated. Then, by switching the third solenoid valve 34, hydraulic oil is pumped to the hydraulic motor 14 to rotate the auxiliary wheel 6. In this manner, when the auxiliary wheel 6 is rotated with the rear tire 5 lifted, the vehicle body moves laterally around the front wheel as the center of rotation. Therefore, the rear wheel tire 5 can be moved from the side groove to the road surface. When the rear wheel tire 5 has moved to a desired position, the third solenoid valve 34 is returned to the neutral position and the rotation of the auxiliary wheel 6 is stopped.
【００２７】なお、第３電磁弁３４の切換方向を換える
と、油圧モータ１４が逆回転するので、補助輪６も逆回
転して、車体を反対側に移動することができる。また、
第３電磁弁３４とブレーキ機構１６のソレノイド２２と
を電気的に連動させ、補助輪６を回転駆動する際にはブ
レーキが解除され、補助輪６を停止するとブレーキが作
用するように構成することが好ましい。When the switching direction of the third solenoid valve 34 is changed, the hydraulic motor 14 rotates in the reverse direction, so that the auxiliary wheels 6 also rotate in the reverse direction to move the vehicle body to the opposite side. Also,
The third solenoid valve 34 and the solenoid 22 of the brake mechanism 16 are electrically linked to each other so that the brake is released when the auxiliary wheel 6 is driven to rotate, and the brake is activated when the auxiliary wheel 6 is stopped. Is preferred.
【００２８】車体を所望する位置まで移動してから第１
電磁弁３２を前記と反対側に切り換えると、第１油圧シ
リンダ１１のロッド１１ｂが縮んで、即ち脚部材４の長
さが縮んでタイヤ５が下降して路面に着地する。なお、
タイヤ交換などの場合には、作業が終了してから適宜に
第３電磁弁３４を切り換えると、同じ様に第１油圧シリ
ンダ１１のロッド１１ｂが縮んでタイヤ５が下降して路
面に着地する。After moving the vehicle body to a desired position,
When the solenoid valve 32 is switched to the opposite side, the rod 11b of the first hydraulic cylinder 11 contracts, that is, the length of the leg member 4 contracts, and the tire 5 descends and lands on the road surface. In addition,
In the case of tire replacement or the like, if the third solenoid valve 34 is appropriately switched after the work is completed, the rod 11b of the first hydraulic cylinder 11 is contracted, and the tire 5 descends and lands on the road surface.
【００２９】そして、タイヤ５が着地した時点から更に
第１油圧シリンダ１１のロッド１１ｂを縮めると、補助
輪６がさらに上昇して路面から離れ、十分に上昇すると
初期状態に戻る。なお、スライド部材９の位置を検出し
て自動的に初期位置で停止するように構成することが望
ましい。When the rod 11b of the first hydraulic cylinder 11 is further contracted from the time when the tire 5 lands, the auxiliary wheel 6 further rises and separates from the road surface, and returns to the initial state when sufficiently lifted. Note that it is preferable that the position of the slide member 9 is detected and the slide member 9 automatically stops at the initial position.
【００３０】この様にしてタイヤ５を路面に降ろして、
補助輪６も初期位置まで上昇させたならば、第２電磁弁
３３を前記とは反対側に切り換えて第２油圧シリンダ２
４をロッド２４ｂがシリンダチューブ２４ａ内に引き込
まれる方向に作動する。第２油圧シリンダ２４のロッド
２４ｂが縮むと、図１に示すように、脚部材４が戻り揺
動し、十分に揺動すると、脚部材４の第１係合部材２７
が補助材側の第２係合部材２８に係合して格納状態を確
実に維持する。この格納状態になると、例えばマイクロ
スイッチ構成の脚部位置検出器からの信号により第２電
磁弁３３が中立位置に戻って第２油圧シリンダ２４の作
動が自動的に停止し、また、電磁クラッチがオフとなっ
て油圧ポンプ３１の作動も停止する。In this manner, the tire 5 is lowered onto the road surface,
When the auxiliary wheel 6 is also raised to the initial position, the second solenoid valve 33 is switched to the opposite side to the second hydraulic cylinder 2
4 is operated in a direction in which the rod 24b is drawn into the cylinder tube 24a. When the rod 24b of the second hydraulic cylinder 24 contracts, the leg member 4 returns and swings as shown in FIG.
Engages with the second engaging member 28 on the auxiliary material side to reliably maintain the stored state. In this retracted state, the second solenoid valve 33 returns to the neutral position by a signal from a leg position detector having a microswitch structure, for example, and the operation of the second hydraulic cylinder 24 is automatically stopped. It turns off and the operation of the hydraulic pump 31 also stops.
【００３１】上記した実施例では脚部材４の基端をリヤ
ーアクスル２に被せた補強材３に軸着したが、脚部材４
の軸着部位はこれに限定されるものではない。例えば、
強度的に十分であれば補強材３を設けることなくリヤー
アクスル２に直接軸着してもよい。また、取付スペース
が許容される車種であれば、リジット式リヤーアクスル
２に限らず、バネ下部材側であればダブルウイッシュボ
ーン式サスペンションのロアーアームやストラット式サ
スペンションのＡアームなどに軸着した場合にも、サス
ペンションのストロークの影響を殆ど受けることがない
ので、脚部材４の伸びストロークが短くても、タイヤ５
を十分に持ち上げることができる。したがって、本発明
に係るジャッキ装置１の脚部材４はバネ下部材に軸着す
ることが望ましい。In the above-described embodiment, the base end of the leg member 4 is axially attached to the reinforcing member 3 covering the rear axle 2.
Is not limited to this. For example,
If the strength is sufficient, the shaft may be directly mounted on the rear axle 2 without providing the reinforcing member 3. In addition, if the vehicle type allows the mounting space, it is not limited to the rigid rear axle 2, and if the unsprung member side is used, the vehicle is mounted on a lower arm of a double wishbone type suspension or an A arm of a strut type suspension. Is hardly affected by the stroke of the suspension, so that even if the extension stroke of the leg member 4 is short, the tire 5
Can be lifted sufficiently. Therefore, it is desirable that the leg member 4 of the jack device 1 according to the present invention be pivotally mounted on the unsprung member.
【００３２】また、上記した実施例では、図６に示すよ
うに、リヤーアクスル２のほぼ中央にジャッキ装置１を
装着したが、取付スペースがあれば、前輪のサスペンシ
ョンのバネ下部材側に設けて前輪タイヤを持ち上げる様
に構成してもよい。In the above-described embodiment, as shown in FIG. 6, the jack device 1 is mounted substantially at the center of the rear axle 2, but if there is a mounting space, it is provided on the unsprung member side of the front wheel suspension. You may comprise so that a front wheel tire may be lifted.
【００３３】また、バネ下部材側に取り付けることがで
きない場合にはフロアーパンなどの車体の下部に脚部材
４を軸着してもよい。即ち、伸縮用駆動源の駆動により
伸縮可能であって、基端を車体の下部に軸着して揺動可
能とした脚部材４と、該脚部材４の自由端に、自動車の
タイヤ５の向きと異なる方向に向けて設けた補助輪６
と、脚部材４を揺動して補助輪６を下に向けた作動状態
と、補助輪６を横乃至斜め横に向けた格納状態とに変換
する格納用駆動源と、によりジャッキ装置１′を構成し
てもよい。この場合、補助輪６が接地した後に車体を持
ち上げても、サスペンションのストロークが残っている
状態ではタイヤ５が接地しているので、このサスペンシ
ョンストロークを考慮して、脚部材４の伸縮ストローク
を前記実施例よりも長く設定する。また、脚部材４の基
端を軸着する部分には適宜に補強材を設けて十分な強度
を確保する必要がある。If it is not possible to mount the leg member 4 on the unsprung member side, the leg member 4 may be mounted on the lower part of the vehicle body such as a floor pan. That is, a leg member 4 which can be extended and contracted by driving a telescopic drive source and is pivotable with its base end pivotally attached to the lower part of the vehicle body, and a free end of the leg member 4 Auxiliary wheels 6 provided in a direction different from the direction
And a storage drive source for converting the auxiliary wheel 6 to a storage state in which the auxiliary wheel 6 is turned sideways or obliquely sideways by swinging the leg member 4 and turning the auxiliary wheel 6 downward, and a jack device 1 ′. May be configured. In this case, even if the vehicle body is lifted after the auxiliary wheels 6 touch the ground, the tire 5 is touching the ground while the suspension stroke remains, so that the expansion / contraction stroke of the leg member 4 is adjusted in consideration of the suspension stroke. Set longer than in the embodiment. Further, it is necessary to appropriately provide a reinforcing material at a portion where the base end of the leg member 4 is axially attached to secure sufficient strength.
【００３４】なお、本発明における伸縮用駆動源および
格納用駆動源は、油圧シリンダに限定されるものではな
く、モータでもよい。また、回転駆動機構１５は油圧モ
ータ１４駆動に限らず、モータ駆動でもよい。The drive source for expansion and contraction and the drive source for storage in the present invention are not limited to hydraulic cylinders, but may be motors. The rotation drive mechanism 15 is not limited to the hydraulic motor 14 but may be a motor drive.
【００３５】[0035]
【発明の効果】以上説明したように本発明によれば、単
にタイヤを持ち上げるだけではなく、補助輪によって持
ち上げた状態で車体を移動することはできる。したがっ
て、側溝などにタイヤが落ちてしまった場合にも容易に
タイヤを引き上げて脱出することができるし、雪道や軟
土路面でスタックした場合にも容易に抜け出すことがで
きる。このため、一般的な乗用車は適することは勿論の
こと、不整地走行することが多い四輪駆動車に最適であ
る。As described above, according to the present invention, the vehicle body can be moved not only by lifting the tire but also by lifting it with the auxiliary wheels. Therefore, the tire can be easily pulled up and escaped even when the tire has fallen into a gutter or the like, and can be easily escaped even when the tire is stuck on a snowy road or a soft soil road surface. For this reason, it is suitable not only for a general passenger car but also for a four-wheel drive vehicle which often travels on uneven terrain.
【００３６】前記補助輪を横乃至斜め横に向けた格納状
態における脚部材を維持する収納ロック機構を設けてあ
るので、ジャッキ装置の不使用時であって、車両の走行
により激しい振動や衝撃が発生したり極端に大きな風圧
を受けても、脚部材が下方向に回動したり揺動して、事
故が発生する危険を確実に防止することができる。Since the storage lock mechanism is provided to maintain the leg member in the retracted state in which the auxiliary wheels are turned sideways or obliquely sideways, when the jack device is not used, severe vibrations and shocks due to running of the vehicle may occur. Even if it occurs or receives an extremely large wind pressure, the danger of an accident occurring due to the leg member turning downward or swinging can be reliably prevented.
【００３７】また、脚部材はガイド溝を形成した脚部本
体と、前記ガイド溝により脚部本体に対し摺動可能なス
ライド部材とを有し、前記伸縮用駆動源としての油圧シ
リンダを脚部材の脚部本体に固定してそのロッドの先端
をスライド部材に止着してあるので、脚部材の伸縮作動
が著しく確実なばかりでなく強度が高く、重量がある自
動車の昇降用のジャッキ装置として実用的価値の高いも
のとなる。The leg member includes a leg body having a guide groove formed therein, and a slide member slidable with respect to the leg body by the guide groove. Since the rod end is fixed to the slide member and fixed to the slide body, not only is the expansion and contraction of the leg member remarkably reliable, but also the strength is high. It will be of high practical value.
【図１】脚部材を格納した状態におけるジャッキ装置の
正面図である。FIG. 1 is a front view of a jack device in which a leg member is stored.
【図２】脚部材を作動状態に変換してから補助輪を接地
させた状態におけるジャッキ装置の正面図である。FIG. 2 is a front view of the jack device in a state where an auxiliary wheel is grounded after a leg member is converted into an operating state.
【図３】図２に示すジャッキ装置の側面図である。FIG. 3 is a side view of the jack device shown in FIG. 2;
【図４】ブレーキ機構の概略構成を示す正面図である。FIG. 4 is a front view showing a schematic configuration of a brake mechanism.
【図５】油圧シリンダや油圧ポンプ等の接続を示す油圧
回路図である。FIG. 5 is a hydraulic circuit diagram showing connections of a hydraulic cylinder, a hydraulic pump, and the like.
【図６】ジャッキ装置の配置を示す車両の概略平面図で
ある。FIG. 6 is a schematic plan view of the vehicle showing an arrangement of the jack device.
１ ジャッキ装置 ２ リヤーアクスル ３ 補強材 ４ 脚部材 ５ 自動車のタイヤ ６ 補助輪 ７ ガイド溝 ８ 脚部本体 ９ スライド部材 １１ 第１油圧シリンダ １４ 油圧モータ １５ 回転駆動機構 １６ ブレーキ機構 ２４ 第２油圧シリンダ ３１ 油圧ポンプ ３２，３３，３４ 電磁弁 ３５ 脚部材のストッパ REFERENCE SIGNS LIST 1 jack device 2 rear axle 3 reinforcing material 4 leg member 5 automobile tire 6 auxiliary wheel 7 guide groove 8 leg body 9 slide member 11 first hydraulic cylinder 14 hydraulic motor 15 rotation drive mechanism 16 brake mechanism 24 second hydraulic cylinder 31 Hydraulic pump 32, 33, 34 Solenoid valve 35 Stopper for leg member
Claims (1)
動により伸縮可能であって、基端を車体の下部に軸着し
て揺動可能とした脚部材と、 該脚部材の自由端に、自動車のタイヤの向きと異なる方
向に向けて設けた補助輪と、 脚部材を揺動して補助輪を下に向けた作動状態と、補助
輪を横乃至斜め横に向けた格納状態とに変換する格納用
駆動源と、 前記補助輪を横乃至斜め横に向けた格納状態における脚
部材を維持する収納ロック機構と、 を備え、 前記脚部材はガイド溝を形成した脚部本体と、前記ガイ
ド溝により脚部本体に対し摺動可能なスライド部材とを
有し、前記伸縮用駆動源としての油圧シリンダを脚部材
の脚部本体に固定してそのロッドの先端をスライド部材
に止着し、 前記スライド部材の先端に前記補助輪を設け、 前記格納用駆動源を脚部材の脚部本体に軸着し、 前記収納ロック機構は、脚部本体から突出する第１係合
部材と、車体の下部に回動可能な状態で軸着して前記第
１係合部材に係脱する第２係合部材と、第２係合部材を
解除方向に回動する解除用ソレノイド及び第２係合部材
を係合方向に付勢するスプリング等により構成し、 たことを特徴とする自動車用ジャッキ装置。1. A leg member which can be extended and contracted by driving a hydraulic cylinder as a driving source for extension and contraction, and has a base end pivotally attached to a lower part of a vehicle body and is swingable; Auxiliary wheels provided in a direction different from the direction of the tires of the vehicle, an operating state in which the auxiliary wheels are turned downward by swinging the leg members, and a retracted state in which the auxiliary wheels are turned sideways or diagonally sideways A drive source for storage, and a storage lock mechanism for maintaining the leg member in the stored state with the auxiliary wheels turned sideways or obliquely sideways, wherein the leg member has a leg body formed with a guide groove, and the guide A slide member slidable with respect to the leg body by the groove, a hydraulic cylinder as the telescopic drive source is fixed to the leg body of the leg member, and the tip of the rod is fixed to the slide member; Providing the auxiliary wheel at the tip of the slide member; A drive source pivotally attached to a leg body of the leg member, wherein the storage lock mechanism pivotally attaches to a first engagement member projecting from the leg body to a lower part of a vehicle body so as to be rotatable; A second engagement member engaged and disengaged from the engagement member;
A jack device for an automobile, comprising: a release solenoid that rotates in a release direction; a spring that urges the second engagement member in the engagement direction; and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6307079A JP2932043B2 (en) | 1994-11-17 | 1994-11-17 | Automotive jack device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6307079A JP2932043B2 (en) | 1994-11-17 | 1994-11-17 | Automotive jack device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08142813A JPH08142813A (en) | 1996-06-04 |
| JP2932043B2 true JP2932043B2 (en) | 1999-08-09 |
Family
ID=17964789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6307079A Expired - Lifetime JP2932043B2 (en) | 1994-11-17 | 1994-11-17 | Automotive jack device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2932043B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107031579A (en) * | 2017-03-14 | 2017-08-11 | 上海工程技术大学 | A kind of lifting domestic automobile |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101022827B1 (en) * | 2009-04-24 | 2011-03-17 | 천광산업(주) | Folding type landing apparatus for semi-trailer |
| CN102514553A (en) * | 2011-12-02 | 2012-06-27 | 青特集团有限公司 | Novel pneumatic landing leg |
| CN104743467A (en) * | 2015-04-09 | 2015-07-01 | 安徽江淮汽车股份有限公司 | Lifting device for car tyre |
| KR101597489B1 (en) * | 2015-05-20 | 2016-02-24 | 이길봉 | Variable length tilting trailer |
| CN105416251A (en) * | 2015-12-16 | 2016-03-23 | 曹玥 | Automobile capable of moving horizontally |
| CN105752877A (en) * | 2016-05-09 | 2016-07-13 | 江苏金坛汽车工业有限公司 | Simple tire replacement device |
| CN106828439B (en) * | 2017-02-17 | 2019-06-25 | 济南匠夫万自动化科技有限公司 | A kind of spare drive system and vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04129865A (en) * | 1990-09-20 | 1992-04-30 | Toyota Motor Corp | Auxiliary wheel device for vehicle |
| JPH04257753A (en) * | 1991-02-06 | 1992-09-11 | Toyota Motor Corp | Auxiliary wheel device for vehicle |
| JPH0659175B2 (en) * | 1987-02-27 | 1994-08-10 | 大日本製薬株式会社 | Gel and method for producing the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH086651Y2 (en) * | 1989-05-12 | 1996-02-28 | 株式会社稲坂歯車製作所 | Vehicle traverse device |
| JPH0659175U (en) * | 1993-01-26 | 1994-08-16 | 前川 正明 | Automobile |
-
1994
- 1994-11-17 JP JP6307079A patent/JP2932043B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0659175B2 (en) * | 1987-02-27 | 1994-08-10 | 大日本製薬株式会社 | Gel and method for producing the same |
| JPH04129865A (en) * | 1990-09-20 | 1992-04-30 | Toyota Motor Corp | Auxiliary wheel device for vehicle |
| JPH04257753A (en) * | 1991-02-06 | 1992-09-11 | Toyota Motor Corp | Auxiliary wheel device for vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107031579A (en) * | 2017-03-14 | 2017-08-11 | 上海工程技术大学 | A kind of lifting domestic automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08142813A (en) | 1996-06-04 |
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