JPH09329102A - Tank piping connecting device - Google Patents
Tank piping connecting deviceInfo
- Publication number
- JPH09329102A JPH09329102A JP8145914A JP14591496A JPH09329102A JP H09329102 A JPH09329102 A JP H09329102A JP 8145914 A JP8145914 A JP 8145914A JP 14591496 A JP14591496 A JP 14591496A JP H09329102 A JPH09329102 A JP H09329102A
- Authority
- JP
- Japan
- Prior art keywords
- tank
- pipe
- connector
- peripheral surface
- oil
- 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
- Power Steering Mechanism (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、車両におけるリザ
ーバタンク等のタンクに関し、特に、タンクへの配管の
接続構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tank such as a reservoir tank in a vehicle, and more particularly to a structure for connecting piping to the tank.
【０００２】[0002]
【従来の技術】車両には、実開昭６２−１６７９０５号
公報等に開示されたようなパワーステアリングオイル用
のリザーバタンク、ラジエータのウオータサブタンク、
トランスミッションオイルクーラのタンク、ブレーキク
ルードリザーバタンク等の種々のタンクが搭載されてい
る。2. Description of the Related Art A vehicle is equipped with a reservoir tank for power steering oil, a radiator water subtank, and the like as disclosed in Japanese Utility Model Laid-Open No. 62-167905.
Various tanks such as transmission oil cooler tank and brake crude reservoir tank are installed.
【０００３】このようなタンクにに配管を接続するに際
しては、多くの場合、バルジ形の継手構造が採用されて
いる。例えば、図９に示すように、リザーバタンク１底
部のオイル入口管部２に配管としてのホース３を接続す
る場合、オイル入口管部２先端にホース３を接続し、こ
の接続部周りをクランプ部材４でクランプするようにし
ている。尚、オイル入口管部２外周面とホース３内周面
との嵌合面にはシール剤が塗布される。When connecting piping to such a tank, a bulge type joint structure is often used. For example, as shown in FIG. 9, when connecting a hose 3 as a pipe to the oil inlet pipe portion 2 at the bottom of the reservoir tank 1, connect the hose 3 to the tip of the oil inlet pipe portion 2 and clamp the periphery of this connecting portion. It is clamped at 4. A sealant is applied to the fitting surface between the outer peripheral surface of the oil inlet pipe portion 2 and the inner peripheral surface of the hose 3.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、このよ
うな従来のタンクへの配管の接続構造にあっては、次の
ような問題点がある。即ち、配管内の圧力が比較的高く
なる場合がある前述のパワーステアリング用オイルのリ
ザーバタンク等では、オイル入口管部２とホース３との
嵌合面にシール剤を塗布しているが、高い圧力のため、
嵌合面からオイル漏れが発生する場合があり、シール性
に劣る構造であった。However, such a conventional piping connection structure for a tank has the following problems. That is, in the above-described power steering oil reservoir tank or the like where the pressure in the pipe may be relatively high, the sealing agent is applied to the fitting surface between the oil inlet pipe portion 2 and the hose 3, but it is high. Because of the pressure
Oil leakage may occur from the mating surface, and the structure was inferior in sealing performance.
【０００５】本発明は上記に鑑みてなされたものであ
り、タンクの配管接続構造の改善により、オイル等の漏
れなく、シール性に優れた配管接続部を得ることを課題
とする。The present invention has been made in view of the above, and an object of the present invention is to obtain a pipe connecting portion excellent in sealing property by preventing the leakage of oil etc. by improving the pipe connecting structure of a tank.
【０００６】[0006]
【課題を解決するための手段】このため、請求項１に係
る発明は、タンクの流体流通口に配管を接続する装置で
あって、両端が開放された筒部と、該筒部の両端部間位
置の外周面から軸直角な面に沿って延びる環状のフラン
ジ部と、を一体成形した構成とされ、前記筒部のフラン
ジ部を境にした一端部を前記タンクの流体流通口を構成
する管部内周面に嵌合される嵌合部とし、前記筒部のフ
ランジ部を境にした他端部の外周面若しくは内周面に、
前記配管の接続端部側のコネクタがねじ嵌合されるおね
じ部若しくはめねじ部を設けてなる接続具と、前記接続
具のフランジ部をタンク本体壁外面に締結する締結具
と、前記接続具の筒部の一端部外周面と前記タンクの流
体流通口内周面との嵌合面に介装される第１のシール部
材と、前記接続具のフランジ部とタンク本体壁外面との
締結面に介装される第２のシール部材と、を含んで構成
した。For this reason, the invention according to claim 1 is an apparatus for connecting a pipe to a fluid flow port of a tank, wherein a tubular portion is open at both ends and both end portions of the tubular portion. An annular flange portion extending along the plane perpendicular to the axis from the outer peripheral surface at the interposition is integrally formed, and one end of the tubular portion with the flange portion as a boundary constitutes a fluid flow port of the tank. A fitting portion to be fitted to the inner peripheral surface of the pipe portion, on the outer peripheral surface or the inner peripheral surface of the other end of the tubular portion with the flange portion as a boundary,
A connector provided with a male screw portion or a female screw portion into which the connector on the connection end side of the pipe is screw-fitted, a fastener for fastening the flange portion of the connector to the outer surface of the tank body wall, and the connection A first seal member provided on a fitting surface between the outer peripheral surface of one end of the tubular portion of the tool and the inner peripheral surface of the fluid flow port of the tank, and a fastening surface between the flange portion of the connector and the outer surface of the tank body wall And a second seal member which is interposed between the first seal member and the second seal member.
【０００７】請求項２に係る発明は、前記筒部の一端部
内周面には、該筒部にタンク本体内に配設されるフィル
タ装置の流体入口管部外周おねじ部をねじ嵌合するため
のめねじ部を形成するようにした。請求項３に係る発明
は、前記配管の接続端部側のコネクタがねじ嵌合される
めねじ部をテーパねじとした。According to a second aspect of the present invention, a fluid inlet pipe outer peripheral male thread portion of a filter device disposed in the tank body is thread-fitted to the inner peripheral surface of one end of the cylindrical portion. A female thread portion for forming is formed. In the invention according to claim 3, the female thread portion into which the connector on the connection end side of the pipe is screw-fitted is a taper thread.
【０００８】請求項４に係る発明は、前記締結具をボル
トとし、前記フランジ部にボルトの挿通孔を形成するよ
うにした。請求項５に係る発明は、前記タンク本体の接
続具締結部の内壁部位には、前記ボルトがねじ嵌合され
る金属製インサートナットを鋳込むようにした。According to a fourth aspect of the invention, the fastener is a bolt, and a bolt insertion hole is formed in the flange portion. In the invention according to claim 5, a metal insert nut into which the bolt is screwed is cast into the inner wall portion of the connector fastening portion of the tank body.
【０００９】請求項６に係る発明は、前記第１のシール
部材を、Ｏリングとした。請求項７に係る発明は、前記
接続具の筒部の一端部外周面とタンクの流体流通口内周
面との嵌合面に前記Ｏリングが挿入される溝部を形成す
るようにした。In the invention according to claim 6, the first seal member is an O-ring. In the invention according to claim 7, the groove portion into which the O-ring is inserted is formed on the fitting surface between the outer peripheral surface of the one end of the cylindrical portion of the connector and the inner peripheral surface of the fluid flow port of the tank.
【００１０】請求項８に係る発明は、前記第２のシール
部材を、Ｏリングとした。請求項９に係る発明は、前記
接続具のフランジ部とタンク本体壁外面との締結面に前
記Ｏリングが挿入された溝部を形成するようにした。In the invention according to claim 8, the second seal member is an O-ring. In the invention according to claim 9, a groove portion into which the O-ring is inserted is formed on the fastening surface between the flange portion of the connector and the outer surface of the tank body wall.
【００１１】請求項１０に係る発明は、前記第２のシー
ル部材を、液状ガスケットとした。請求項１１に係る発
明は、前記接続具のフランジ部とタンク本体壁外面との
締結面に前記液状ガスケットの溜まり部となる溝部を形
成するようにした。According to a tenth aspect of the present invention, the second seal member is a liquid gasket. According to an eleventh aspect of the present invention, a groove portion serving as a reservoir portion of the liquid gasket is formed on a fastening surface between the flange portion of the connector and the outer surface of the tank body wall.
【００１２】請求項１２に係る発明は、前記筒部の他端
部の外形状を、六角形状に形成した。請求項１３に係る
発明は、前記タンクを、パワーステアリングオイル用の
リザーバタンクとした。According to a twelfth aspect of the present invention, the outer shape of the other end of the cylindrical portion is formed into a hexagonal shape. In the invention according to claim 13, the tank is a reservoir tank for power steering oil.
【００１３】[0013]
【発明の実施の形態】以下、本発明の実施形態を図面に
基づいて詳述する。先ず、図７及び図８に基づいて、本
発明に係るタンクの一実施形態としてのパワーステアリ
ングオイル用のリザーバタンクの構造について説明す
る。これらの図において、リザーバタンク１０の本体１
１は、横方向に長い略方形体形状に形成される。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below in detail with reference to the drawings. First, the structure of a reservoir tank for power steering oil as an embodiment of the tank according to the present invention will be described with reference to FIGS. 7 and 8. In these figures, the body 1 of the reservoir tank 10
1 is formed in a substantially rectangular shape that is long in the lateral direction.
【００１４】かかるタンク本体１１の上壁の長手方向の
一端部には、オイル供給口１２が設けられ、このオイル
供給口１２には、これを開閉するねじ嵌合式のキャップ
１３が装着される。又、タンク本体１１の上壁の長手方
向の他端部には、タンク本体１１の内・外を連通する略
Ｌ字形状のエアブリーザ１４が設けられている。タンク
本体１１の底壁の長手方向の一端部であって、オイル供
給口１２に対応する部位には、流体流通口としての、タ
ンク本体１１内方に突出するオイル入口管部１５が設け
られ、このオイル入口管部１５には、後述する本発明に
係る配管接続装置１６を介してパワーステアリング装置
の油圧シリンダ部からの配管が接続される。An oil supply port 12 is provided at one longitudinal end of the upper wall of the tank body 11, and a screw fitting type cap 13 for opening and closing the oil supply port 12 is attached to the oil supply port 12. At the other end of the upper wall of the tank body 11 in the longitudinal direction, a substantially L-shaped air breather 14 that communicates the inside and outside of the tank body 11 is provided. An oil inlet pipe portion 15 projecting inwardly of the tank body 11 is provided as a fluid flow port at one end portion of the bottom wall of the tank body 11 in the longitudinal direction corresponding to the oil supply port 12. A pipe from the hydraulic cylinder portion of the power steering device is connected to the oil inlet pipe portion 15 via a pipe connecting device 16 according to the present invention described later.
【００１５】タンク本体１１のオイル供給口１２とオイ
ル入口管部１５とが形成された側と反対側の側端壁の底
部には、流体流通口としてのオイル出口管部１７と、リ
ターンオイル入口管部１８とが設けられている。更に、
タンク本体１１内部のオイル供給口１２とオイル入口管
部１５との間の空間部には、オイルフィルタ装置１９が
配設される。At the bottom of the side end wall of the tank body 11 opposite to the side where the oil supply port 12 and the oil inlet pipe 15 are formed, an oil outlet pipe 17 as a fluid flow port and a return oil inlet are provided. The pipe portion 18 is provided. Furthermore,
An oil filter device 19 is arranged in the space between the oil supply port 12 and the oil inlet pipe 15 inside the tank body 11.
【００１６】このオイルフィルタ装置１９は、筒状のフ
ィルタ２０を備え、底部にはサポート部材２１が設けら
れ、該サポート部材２１には、フィルタ２０内空間と連
通する管部２２が設けられている。尚、この管部２２の
下側外周面には、おねじ部２２Ａが形成される（図１参
照）。かかるリザーバタンク１０を介在したパワーステ
アリングオイル系について説明すると、パワーステアリ
ングポンプからのオイルは配管を介してステアリング装
置に設けられ油圧シリンダ部に供給され、該油圧シリン
ダ部からのオイルは配管を介してオイル入口管部１５か
らリザーバタンク１０に流入する。リザーバタンク１０
からのオイルは、オイル出口管部１７から配管を介して
パワーステアリングポンプに供給されると共に、パワー
ステアリングポンプからの余剰オイルは配管を介してリ
ターンオイル入口管部１８からリザーバタンク１０に戻
される。The oil filter device 19 is provided with a cylindrical filter 20, a support member 21 is provided on the bottom, and a pipe portion 22 communicating with the inner space of the filter 20 is provided on the support member 21. . A male screw portion 22A is formed on the lower outer peripheral surface of the pipe portion 22 (see FIG. 1). The power steering oil system with the reservoir tank 10 interposed will be described. The oil from the power steering pump is supplied to the hydraulic cylinder unit provided in the steering device via the pipe, and the oil from the hydraulic cylinder unit is supplied via the pipe. It flows into the reservoir tank 10 from the oil inlet pipe portion 15. Reservoir tank 10
Oil is supplied from the oil outlet pipe portion 17 to the power steering pump via the pipe, and excess oil from the power steering pump is returned from the return oil inlet pipe portion 18 to the reservoir tank 10 via the pipe.
【００１７】次に、本発明に係る配管接続装置１６の一
実施形態の構造を図１〜４に基づいて説明する。これら
の図において、本実施形態における配管接続装置１６
は、上述したリザーバタンク１０のオイル入口管部１５
にパワーステアリングポンプからのオイル配管としての
オイルホースを接続する装置であって、接続具としての
接続金具２３、締結具としてのボルト２４、第１のシー
ル部材としてのＯリング２５及び第２のシール部材とし
てのＯリング２６若しくは液状ガスケット３２と、を含
んで構成される。Next, the structure of an embodiment of the pipe connecting device 16 according to the present invention will be described with reference to FIGS. In these drawings, the pipe connecting device 16 in the present embodiment
Is the oil inlet pipe portion 15 of the reservoir tank 10 described above.
A device for connecting an oil hose as an oil pipe from a power steering pump to a connecting metal fitting 23 as a connector, a bolt 24 as a fastener, an O-ring 25 as a first seal member, and a second seal. The O-ring 26 or the liquid gasket 32 as a member is included.
【００１８】かかる構成を詳述すると、前記接続金具２
３は、両端が開放された筒部２３Ａと、該筒部２３Ａの
両端部間位置の外周面から軸直角な面に沿って延びる環
状のフランジ部２３Ｂと、を一体成形した構成である。
前記筒部２３Ａのフランジ部２３Ｂを境にした一端部２
３ａは、円形状に形成され、リザーバタンク１０のオイ
ル入口管部１５の内周面に嵌合される嵌合部とされる。The above-mentioned structure will be described in detail.
3 has a configuration in which a tubular portion 23A whose both ends are open and an annular flange portion 23B which extends along the plane perpendicular to the axis from the outer peripheral surface of the tubular portion 23A between the both ends are integrally formed.
One end portion 2 with the flange portion 23B of the cylindrical portion 23A as a boundary
3a is a circular shape, and is a fitting portion that is fitted to the inner peripheral surface of the oil inlet pipe portion 15 of the reservoir tank 10.
【００１９】尚、この筒部２３Ａのフランジ部２３Ｂを
境にした一端部を、以下嵌合部２３ａと称する。又、筒
部２３Ａの嵌合部２３ａ内周面には、該筒部２３Ａにオ
イルフィルタ装置１９の管部２２外周面に形成されたお
ねじ部２２Ａをねじ嵌合するためのめねじ部２３Ｃが形
成されている。Incidentally, one end of the cylindrical portion 23A with the flange portion 23B as a boundary is hereinafter referred to as a fitting portion 23a. Further, on the inner peripheral surface of the fitting portion 23a of the cylindrical portion 23A, a female screw portion 23C for screw-fitting a male screw portion 22A formed on the outer peripheral surface of the pipe portion 22 of the oil filter device 19 to the cylindrical portion 23A. Are formed.
【００２０】更に、筒部２３Ａのフランジ部２３Ｂを境
にした他端部２３ｂは、六角形状に形成され、その内周
面には、オイルホースの接続端部側のコネクタ（図示せ
ず）がねじ嵌合されるめねじ部（平行ねじ）２３Ｄが形
成される。このめねじ部２３Ｄは、図５に示すようなテ
ーパねじにしても良い。尚、この筒部２３Ａのフランジ
部２３Ｂを境にした他端部を、以下コネクタ接続部２３
ｂと称する。Further, the other end portion 23b of the cylindrical portion 23A, which is bordered by the flange portion 23B, is formed in a hexagonal shape, and a connector (not shown) on the connection end side of the oil hose is formed on the inner peripheral surface thereof. A female thread portion (parallel thread) 23D to be screw-fitted is formed. The female screw portion 23D may be a taper screw as shown in FIG. The other end of the cylindrical portion 23A with the flange portion 23B as a boundary will be referred to as a connector connecting portion 23 below.
b.
【００２１】又、図６に示すように、筒部２３Ａのコネ
クタ接続部２３ｂ内周面ではなく外周面に、オイルホー
スの接続端部側のコネクタがねじ嵌合されるおねじ部２
３Ｅを形成するようにしても良く、この場合は、コネク
タ側にはコネクタ接続部２３ｂ外周面にねじ嵌合される
フレアナット２７を備えるようにする。即ち、オイルホ
ースの接続端部側のコネクタの形式に合わせて、筒部２
３Ａのコネクタ接続部２３ｂ内周面にめねじ部２３Ｄを
設けた接続金具２３と外周面におねじ部２３Ｅを設けた
接続金具２３とを選択使用すれば良い。Further, as shown in FIG. 6, the male screw portion 2 in which the connector on the connecting end side of the oil hose is screw-fitted to the outer peripheral surface of the cylindrical portion 23A, not to the inner peripheral surface of the connector connecting portion 23b.
3E may be formed, and in this case, the flare nut 27 that is screw-fitted to the outer peripheral surface of the connector connecting portion 23b is provided on the connector side. That is, according to the type of the connector on the connection end side of the oil hose, the cylindrical portion 2
The connector fitting 23 having the female thread portion 23D on the inner peripheral surface of the connector connecting portion 23b of 3A and the connector fitting 23 having the thread portion 23E on the outer peripheral surface may be selectively used.
【００２２】前記フランジ部２３Ｂは略円形状に形成さ
れており、その複数箇所（例えば、６箇所）には、前記
ボルト２４の挿通孔２８が開設される。この場合、フラ
ンジ部２３Ｂのボルト挿通孔２８に対応する部位には外
周面から略半円形状に張り出すボルト座２９が形成され
る。更に、前記ボルト２４は、接続金具２３のフランジ
部２３Ｂをタンク本体１１底壁のオイル入口管部１５周
りの外面に締結するものである。The flange portion 23B is formed in a substantially circular shape, and insertion holes 28 for the bolt 24 are formed at a plurality of positions (for example, 6 positions). In this case, a bolt seat 29 protruding from the outer peripheral surface in a substantially semicircular shape is formed at a portion of the flange portion 23B corresponding to the bolt insertion hole 28. Further, the bolt 24 is for fastening the flange portion 23B of the connection fitting 23 to the outer surface of the bottom wall of the tank body 11 around the oil inlet pipe portion 15.
【００２３】この場合、タンク本体１１底壁の接続金具
２３締結部の内面部位には、ボルト２４がねじ嵌合され
る金属製インサートナット３０が、タンク本体１１と一
体に鋳込まれて設けられている。前記Ｏリング２５は、
接続金具２３の嵌合部２３ａ外周面とリザーバタンク１
０のオイル入口管部１５内周面との嵌合面に介装される
ものである。In this case, a metal insert nut 30 into which the bolt 24 is screw-fitted is provided integrally with the tank body 11 at the inner surface portion of the fastening portion of the connection fitting 23 on the bottom wall of the tank body 11. ing. The O-ring 25 is
Outer peripheral surface of the fitting 23a of the connection fitting 23 and the reservoir tank 1
No. 0 oil inlet pipe portion 15 is provided on the fitting surface with the inner peripheral surface.
【００２４】この場合、嵌合部２３ａ外周面には環状溝
３１が形成され、この環状溝３１にＯリング２５が嵌め
込まれる。又、前記Ｏリング２６又は液状ガスケット３
２は、接続金具２３のフランジ部２３Ｂとタンク本体１
１底壁外面との締結面に介装されるものである。Ｏリン
グ２６を用いる場合には、フランジ部２３内面にＯリン
グ２６が嵌め込まれる環状溝３３を形成する（図２の点
線図示）。In this case, an annular groove 31 is formed on the outer peripheral surface of the fitting portion 23a, and the O-ring 25 is fitted into the annular groove 31. Also, the O-ring 26 or the liquid gasket 3
2 is the flange portion 23B of the connection fitting 23 and the tank body 1
(1) It is provided on the fastening surface with the outer surface of the bottom wall. When the O-ring 26 is used, an annular groove 33 into which the O-ring 26 is fitted is formed on the inner surface of the flange portion 23 (shown by the dotted line in FIG. 2).
【００２５】又、液状ガスケット３２を用いる場合に
は、図２に示すように、タンク本体１１底壁外面に塗布
されることによって、前記締結面に介装されるようにな
っており、この際、液状ガスケット３２が溜まり込む環
状溝３４がフランジ部２３Ｂ内面に形成される。尚、液
状ガスケット３２が溜まり込む環状溝３４を、タンク本
体１１底壁側に設けるようにしても良い。Further, when the liquid gasket 32 is used, as shown in FIG. 2, the liquid gasket 32 is applied to the outer surface of the bottom wall of the tank main body 11 so as to be interposed on the fastening surface. An annular groove 34 for accommodating the liquid gasket 32 is formed on the inner surface of the flange portion 23B. An annular groove 34 in which the liquid gasket 32 is stored may be provided on the bottom wall side of the tank body 11.
【００２６】次に、かかる構成の配管接続装置を用い
て、オイルホースをリザーバタンク１０のオイル入口管
部１５に接続する方法について説明する。即ち、接続金
具２３の嵌合部２３ａをオイル入口管部１５の内周面に
嵌合し、フランジ部２３Ｂをタンク本体１１底壁外面に
当接する。この場合、オイル入口管部１５には、オイル
フィルタ装置１９の管部２２が挿通されて外部に突出さ
れており、このオイル入口管部１５に嵌合部２３ａをね
じ込みながら、接続金具２３をタンク本体１１底面にセ
ットする。Next, a method of connecting the oil hose to the oil inlet pipe portion 15 of the reservoir tank 10 using the pipe connecting device having such a configuration will be described. That is, the fitting portion 23a of the connection fitting 23 is fitted to the inner peripheral surface of the oil inlet pipe portion 15, and the flange portion 23B is brought into contact with the outer surface of the bottom wall of the tank body 11. In this case, the pipe portion 22 of the oil filter device 19 is inserted into the oil inlet pipe portion 15 and protrudes to the outside. While the fitting portion 23a is screwed into the oil inlet pipe portion 15, the connecting fitting 23 is connected to the tank. Set on the bottom of the main body 11.
【００２７】そして、フランジ部２３Ｂのボルト挿通孔
２８に挿通したボルト２４を、タンク本体１１底壁外面
からタンク本体１１内側のインサートナット３０へとね
じ込んで、フランジ部２３Ｂを、タンク本体１１底壁に
締結する。尚、環状溝３１にはＯリング２５を嵌め込
み、Ｏリング２６を用いる場合には、これを環状溝３３
に嵌め込み、液状ガスケット３２を用いる場合は、これ
をフランジ部２３Ｂ内面に塗布しておく。Then, the bolt 24 inserted into the bolt insertion hole 28 of the flange portion 23B is screwed into the insert nut 30 inside the tank main body 11 from the outer surface of the bottom wall of the tank main body 11 to insert the flange portion 23B into the bottom wall of the tank main body 11. To conclude. When the O-ring 25 is fitted in the annular groove 31 and the O-ring 26 is used, this is fitted into the annular groove 33.
When using the liquid gasket 32, the liquid gasket 32 is applied to the inner surface of the flange portion 23B.
【００２８】以上の接続金具２３の取付状態において、
接続金具２３の嵌合部２３ａ外周面とリザーバタンク１
０のオイル入口管部１５内周面との嵌合面にＯリング２
５が介装され、フランジ部２３Ｂとタンク本体１１底壁
外面との締結面に、Ｏリング２６若しくは液状ガスケッ
ト３２が介装される。以上のようにしてタンク本体１１
底壁に固定取付された接続金具２３のコネクタ接続部２
３ｂ内周面にオイルホースの接続端部のコネクタをねじ
嵌合して、接続金具２３とオイルホースとを接続し、リ
ザーバタンク１０のオイル入口管部１５とオイルホース
とを接続する。In the mounting state of the connecting fitting 23,
Outer peripheral surface of the fitting 23a of the connection fitting 23 and the reservoir tank 1
O-ring 2 on the fitting surface with the inner peripheral surface of the oil inlet pipe portion 15
5, the O-ring 26 or the liquid gasket 32 is provided on the fastening surface between the flange portion 23B and the outer surface of the bottom wall of the tank body 11. As described above, the tank body 11
Connector connection part 2 of the connection fitting 23 fixedly attached to the bottom wall
A connector at the connection end of the oil hose is screw-fitted to the inner peripheral surface of 3b to connect the connection fitting 23 to the oil hose, and to connect the oil inlet pipe 15 of the reservoir tank 10 to the oil hose.
【００２９】かかる構成によると、タンク本体１１底壁
に締結する接続金具２３に対して、オイルホースの接続
端部のコネクタをねじ嵌合して、リザーバタンク１０の
オイル入口管部１５とオイルホースとを接続する構成と
した、ねじ込み式の配管接続構造としたから、配管内の
圧力が比較的高くなる場合があるパワーステアリング用
オイルのリザーバタンクにあっても、接続部からオイル
漏れが発生するのを抑制でき、シール性の向上を図るこ
とができる。According to this structure, the connector at the connecting end of the oil hose is screw-fitted to the connecting fitting 23 fastened to the bottom wall of the tank body 11, and the oil inlet pipe portion 15 of the reservoir tank 10 and the oil hose are connected. Since the screw connection type pipe connection structure is configured to connect with, the pressure in the pipe may be relatively high. Even in a power steering oil reservoir tank, oil leaks from the connection part. Can be suppressed, and the sealability can be improved.
【００３０】特に、嵌合部２３ａをリザーバタンク１０
のオイル入口管部１５内周面に嵌合させて、この嵌合面
にＯリング２５を介装すると共に、フランジ部２３Ｂと
タンク本体１１底壁外面との締結面にＯリング２６或い
は液状ガスケット３２を介装するようにして、２重のシ
ール構造としたから、シール性を更に高めることができ
る。Particularly, the fitting portion 23a is connected to the reservoir tank 10.
Is fitted to the inner peripheral surface of the oil inlet pipe portion 15, and an O-ring 25 is provided on this fitting surface, and an O-ring 26 or a liquid gasket is provided on the fastening surface between the flange portion 23B and the outer surface of the bottom wall of the tank body 11. Since the double seal structure is formed by interposing 32, the sealability can be further improved.
【００３１】即ち、リザーバタンク１０内のオイルは、
先ずＯリング２５によるシールによって漏れが防止さ
れ、仮にこのＯリング２５のシール性が不十分であって
も、フランジ部２３Ｂとタンク本体１１底壁外面との締
結面のＯリング２６或いは液状ガスケット３２により漏
れが防止され、更に、嵌合部２３ａをリザーバタンク１
０のオイル入口管部１５内周面に嵌合させて、タンク本
体１１内に突入させたことによって、オイル圧が、フラ
ンジ部２３Ｂとタンク本体１１底壁外面との締結面にＯ
リング２６或いは液状ガスケット３２に付加されないた
め、オイル漏れをより効果的に防止できる。That is, the oil in the reservoir tank 10 is
First, leakage is prevented by the seal by the O-ring 25, and even if the sealability of the O-ring 25 is insufficient, the O-ring 26 or the liquid gasket 32 on the fastening surface between the flange portion 23B and the outer surface of the bottom wall of the tank body 11 is formed. To prevent leakage, and further, to fit the fitting portion 23a to the reservoir tank 1
By fitting the oil inlet pipe portion 15 of No. 0 into the inner peripheral surface of the oil inlet pipe portion 15 and thrusting it into the tank main body 11, the oil pressure is O
Since it is not added to the ring 26 or the liquid gasket 32, oil leakage can be prevented more effectively.
【００３２】又、接続金具２３の嵌合部２３ａ内周面に
めねじ部を設けて、オイルフィルタ装置１９の管部２２
をねじ込む構成にしたから、オイルフィルタ装置１９の
取付を接続金具２３より行えると共に、接続金具２３の
固定状態も堅固なものとなる。更に、タンク本体１１底
壁の接続金具２３締結部の内面部位にボルト２４がねじ
嵌合される金属製インサートナット３０を、タンク本体
１１と一体に鋳込んで設けるようにしたから、ボルト２
４をより堅固に締結することができる。Further, a female thread portion is provided on the inner peripheral surface of the fitting portion 23a of the connection fitting 23, and the pipe portion 22 of the oil filter device 19 is provided.
Since the oil filter device 19 is mounted by the connection fitting 23, the connection fitting 23 is firmly fixed. Further, since the metal insert nut 30 into which the bolt 24 is screwed is provided in the inner surface portion of the fastening portion of the connection fitting 23 on the bottom wall of the tank body 11 by integrally casting with the tank body 11, the bolt 2 is provided.
4 can be fastened more firmly.
【００３３】又、コネクタ接続部２３ｂの外形状を六角
形状に形成するようにしたから、該コネクタ接続部２３
ｂの内周面にオイルホースの接続端部のコネクタをねじ
嵌合する際に、この六角形状部分をスパナ等で固定して
おけば、接続金具２３が固定され、該接続金具２３を介
してタンク本体１１に外力が印加されることがない。更
に、図５の如く、コネクタ接続部２３ｂの内周面に設け
るめねじ部２３Ｄをテーパねじとしたものでは、ねじ嵌
合部におけるシール性が向上する利点がある。Further, since the outer shape of the connector connecting portion 23b is formed into a hexagonal shape, the connector connecting portion 23 is formed.
When the connector at the connection end of the oil hose is screwed to the inner peripheral surface of b, if this hexagonal portion is fixed with a spanner or the like, the connection fitting 23 is fixed, and the connection fitting 23 is inserted. No external force is applied to the tank body 11. Further, as shown in FIG. 5, when the female screw portion 23D provided on the inner peripheral surface of the connector connecting portion 23b is a taper screw, there is an advantage that the sealing performance in the screw fitting portion is improved.
【００３４】尚、本実施形態は、本発明をパワーステア
リングオイル用のリザーバタンクにおける配管接続装置
について説明したが、本発明の配管接続装置は、ラジエ
ータのウオータサブタンク、トランスミッションオイル
クーラのタンク、ブレーキクルードリザーバタンク等の
種々のタンクに適用可能である。In this embodiment, the present invention has been described with respect to the pipe connecting device in the reservoir tank for the power steering oil. However, the pipe connecting device of the present invention is applicable to the radiator water sub tank, the transmission oil cooler tank, and the brake crud. It can be applied to various tanks such as a reservoir tank.
【００３５】[0035]
【発明の効果】以上説明したように、請求項１に係る発
明によると、タンクの流体流通口に配管を接続する構成
において、ねじ込み式の配管接続構造としたから、配管
内の圧力が高くなる場合であっても、接続部から流体漏
れが発生するのを抑制でき、シール性の向上を図ること
ができ、特に、２重のシール構造としたから、シール性
を更に高めることができる。As described above, according to the first aspect of the invention, in the structure in which the pipe is connected to the fluid flow port of the tank, since the screw-type pipe connection structure is adopted, the pressure in the pipe becomes high. Even in such a case, it is possible to suppress the occurrence of fluid leakage from the connection portion, and it is possible to improve the sealing property. Particularly, since the double sealing structure is adopted, the sealing property can be further enhanced.
【００３６】請求項２に係る発明によると、オイルフィ
ルタ装置の取付を接続具より行えると共に、接続具の固
定状態も堅固なものとなる。請求項３に係る発明による
と、ねじ嵌合部におけるシール性が向上する。請求項４
に係る発明によると、フランジ部の締結を簡単かつ確実
に行うことができる。According to the second aspect of the present invention, the oil filter device can be mounted by the connecting tool, and the fixed state of the connecting tool becomes firm. According to the invention of claim 3, the sealing performance at the screw fitting portion is improved. Claim 4
According to the invention of claim 1, the flange portion can be easily and surely fastened.
【００３７】請求項５に係る発明によると、ボルトをよ
り堅固に締結することができる。請求項６及び８に係る
発明によると、Ｏリングにより確実にシールが得られ
る。請求項７及び９に係る発明によると、接続具側にＯ
リングをセットできる。請求項１０に係る発明による
と、液状ガスケットにより確実にシールが得られる。According to the invention of claim 5, the bolt can be fastened more firmly. According to the inventions according to claims 6 and 8, a seal can be reliably obtained by the O-ring. According to the inventions of claims 7 and 9, O is provided on the side of the connector.
You can set the ring. According to the invention of claim 10, the liquid gasket can surely provide the seal.
【００３８】請求項１１に係る発明によると、液状ガス
ケットを締結面に溜めることができる。請求項１２に係
る発明によると、接続具のねじ込み時に、タンク本体に
外力が印加されるのを防止できる。請求項１３に係る発
明によると、配管内の圧力が比較的高くなる場合がある
パワーステアリング用オイルのリザーバタンクにおいて
有効となる。According to the invention of claim 11, the liquid gasket can be stored on the fastening surface. According to the invention of claim 12, it is possible to prevent an external force from being applied to the tank body when the connecting tool is screwed in. According to the thirteenth aspect of the invention, it is effective in a power steering oil reservoir tank in which the pressure in the pipe may be relatively high.
【図１】 本発明に係るタンクの配管接続装置の一実施
形態を示す断面図FIG. 1 is a cross-sectional view showing an embodiment of a tank pipe connecting device according to the present invention.
【図２】 同上実施形態における接続金具の構成を示す
断面図FIG. 2 is a cross-sectional view showing a configuration of a connection fitting according to the above embodiment.
【図３】 同上の平面図FIG. 3 is a plan view of the above.
【図４】 同上の底面図FIG. 4 is a bottom view of the above.
【図５】 他の実施形態の断面図FIG. 5 is a cross-sectional view of another embodiment.
【図６】 他の実施形態の断面図FIG. 6 is a sectional view of another embodiment.
【図７】 本発明を適用するリザーバタンクの構成を示
す断面図FIG. 7 is a sectional view showing the configuration of a reservoir tank to which the present invention is applied.
【図８】 同上の平面図FIG. 8 is a plan view of the above.
【図９】 従来の配管接続装置を示す正面図FIG. 9 is a front view showing a conventional pipe connecting device.
１０ リザーバタンク １１ タンク本体 １５ オイル入口管部 １６ 配管接続装置 １９ オイルフィルタ装置 ２２ 管部 ２３ 接続金具 ２３Ａ 筒部 ２３Ｂ フランジ部 ２３ａ 嵌合部 ２３ｂ コネクタ接続部 ２４ ボルト ２５ Ｏリング ２６ Ｏリング ３０ 金属製インサートナット ３２ 液状ガスケット 10 Reservoir Tank 11 Tank Body 15 Oil Inlet Pipe 16 Pipe Connection Device 19 Oil Filter Device 22 Pipe 23 Connection Metal Fitting 23A Tube 23B Flange 23a Fitting 23b Connector Connection 24 Bolt 25 O-ring 26 O-ring 30 Metal Insert nut 32 Liquid gasket
Claims (13)
であって、 両端が開放された筒部と、該筒部の両端部間位置の外周
面から軸直角な面に沿って延びる環状のフランジ部と、
を一体成形した構成とされ、前記筒部のフランジ部を境
にした一端部を前記タンクの流体流通口を構成する管部
内周面に嵌合される嵌合部とし、前記筒部のフランジ部
を境にした他端部の外周面若しくは内周面に、前記配管
の接続端部側のコネクタがねじ嵌合されるおねじ部若し
くはめねじ部を設けてなる接続具と、 前記接続具のフランジ部をタンク本体壁外面に締結する
締結具と、 前記接続具の筒部の一端部外周面と前記タンクの流体流
通口内周面との嵌合面に介装される第１のシール部材
と、 前記接続具のフランジ部とタンク本体壁外面との締結面
に介装される第２のシール部材と、 を含んで構成されたことを特徴とするタンクの配管接続
装置。1. A device for connecting a pipe to a fluid flow port of a tank, comprising: a tubular portion having both ends open; and an annular ring extending from an outer peripheral surface at a position between both ends of the tubular portion along a plane perpendicular to an axis. Flange part of
Is integrally formed, and one end of the tubular portion with the flange portion as a boundary is a fitting portion that is fitted to the inner peripheral surface of the pipe portion that forms the fluid flow port of the tank, and the flange portion of the tubular portion On the outer peripheral surface or the inner peripheral surface of the other end with the boundary as a boundary, a connector provided with a male screw portion or a female screw portion into which the connector on the connection end side of the pipe is screw fitted, A fastener for fastening the flange portion to the outer surface of the tank main body wall, and a first seal member interposed on the fitting surface between the outer peripheral surface of one end of the tubular portion of the connector and the inner peripheral surface of the fluid flow port of the tank. And a second seal member provided on a fastening surface between the flange portion of the connector and the outer surface of the tank main body wall, the tank pipe connecting device.
ンク本体内に配設されるフィルタ装置の流体入口管部外
周おねじ部をねじ嵌合するためのめねじ部が形成された
ことを特徴とする請求項１記載のタンクの配管接続装
置。2. A female thread portion for screw-fitting a male thread portion of a fluid inlet pipe portion of a filter device, which is disposed in the tank main body, on the inner circumferential surface of one end of the tubular portion. The pipe connection device for a tank according to claim 1, wherein the pipe connection device is formed.
合されるめねじ部はテーパねじであることを特徴とする
請求項１又は２記載のタンクの配管接続装置。3. The tank pipe connecting device according to claim 1 or 2, wherein the female screw portion into which the connector on the connecting end side of the pipe is screw-fitted is a taper screw.
部にボルトの挿通孔が形成されたことを特徴とする請求
項１〜３のうちいずれか１つに記載のタンクの配管接続
装置。4. The tank pipe connecting device according to claim 1, wherein the fastener is a bolt, and a bolt insertion hole is formed in the flange portion.
には、前記ボルトがねじ嵌合される金属製インサートナ
ットが鋳込まれたことを特徴とする請求項４記載のタン
クの配管接続装置。5. The tank pipe connection according to claim 4, wherein a metal insert nut into which the bolt is screw-fitted is cast into an inner wall portion of the connector fastening portion of the tank body. apparatus.
ことを特徴とする請求項１〜５のうちいずれか１つに記
載のタンクの配管接続装置。6. The tank pipe connecting device according to claim 1, wherein the first seal member is an O-ring.
の流体流通口内周面との嵌合面に前記Ｏリングが挿入さ
れる溝部が形成されたことを特徴とする請求項６記載の
タンクの配管接続装置。7. A groove portion, into which the O-ring is inserted, is formed on a fitting surface between an outer peripheral surface of one end of the cylindrical portion of the connector and an inner peripheral surface of a fluid flow port of the tank. The tank pipe connection device described.
ことを特徴とする請求項１〜７のうちいずれか１つに記
載のタンクの配管接続装置。8. The tank pipe connecting device according to claim 1, wherein the second seal member is an O-ring.
面との締結面に前記Ｏリングが挿入された溝部が形成さ
れたことを特徴とする請求項８記載のタンクの配管接続
装置。9. The tank pipe connecting device according to claim 8, wherein a groove portion into which the O-ring is inserted is formed in a fastening surface between the flange portion of the connector and the outer surface of the tank main body wall.
であることを特徴とする請求項１〜７のうちいずれか１
つに記載のタンクの配管接続装置。10. The one according to claim 1, wherein the second seal member is a liquid gasket.
Piping connection device for tank according to item 1.
面との締結面に前記液状ガスケットの溜まり部となる溝
部が形成されたことを特徴とする請求項１０記載のタン
クの配管接続装置。11. The tank pipe connecting device according to claim 10, wherein a groove portion which is a reservoir portion of the liquid gasket is formed on a fastening surface between the flange portion of the connector and the outer surface of the tank main body wall.
形成されたことを特徴とする請求項１〜１１のうちいず
れか１つに記載のタンクの配管接続装置。12. The pipe connecting device for a tank according to claim 1, wherein an outer shape of the other end portion of the cylindrical portion is formed in a hexagonal shape.
用のリザーバタンクであることを特徴とする請求項１〜
１２のうちいずれか１つに記載のタンクの配管接続装
置。13. The tank according to claim 1, wherein the tank is a reservoir tank for power steering oil.
12. The pipe connection device for a tank according to any one of 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14591496A JP3504068B2 (en) | 1996-06-07 | 1996-06-07 | Tank piping connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14591496A JP3504068B2 (en) | 1996-06-07 | 1996-06-07 | Tank piping connection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09329102A true JPH09329102A (en) | 1997-12-22 |
| JP3504068B2 JP3504068B2 (en) | 2004-03-08 |
Family
ID=15396002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14591496A Expired - Lifetime JP3504068B2 (en) | 1996-06-07 | 1996-06-07 | Tank piping connection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3504068B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0962654A1 (en) * | 1998-06-03 | 1999-12-08 | HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG | Hydraulic motor-pump unit |
| JP2009243396A (en) * | 2008-03-31 | 2009-10-22 | Ihi Corp | Sealing part structure and supercharger |
| CN102990280A (en) * | 2012-09-24 | 2013-03-27 | 上海锐迈重工有限公司 | Ring gasket fixing method |
| CN103452923A (en) * | 2013-09-02 | 2013-12-18 | 中石化胜利油建工程有限公司 | Anti-leakage connecting device for large-scale hydraulic machine upper liquid flushing box and installing method of anti-leakage connecting device |
| JP2014185577A (en) * | 2013-03-22 | 2014-10-02 | Hitachi Automotive Systems Steering Ltd | Tank-integrated pump device |
| CN106224544A (en) * | 2016-08-16 | 2016-12-14 | 甘子昊 | A kind of sealing structure being applicable to big cracking pressure container |
| JP2020006327A (en) * | 2018-07-10 | 2020-01-16 | 三浦工業株式会社 | Washer |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185087B (en) * | 2016-07-12 | 2018-07-27 | 欧德机械成都有限公司 | A kind of container for storing milk structure of fluid power self sealss |
-
1996
- 1996-06-07 JP JP14591496A patent/JP3504068B2/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0962654A1 (en) * | 1998-06-03 | 1999-12-08 | HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG | Hydraulic motor-pump unit |
| JP2009243396A (en) * | 2008-03-31 | 2009-10-22 | Ihi Corp | Sealing part structure and supercharger |
| CN102990280A (en) * | 2012-09-24 | 2013-03-27 | 上海锐迈重工有限公司 | Ring gasket fixing method |
| JP2014185577A (en) * | 2013-03-22 | 2014-10-02 | Hitachi Automotive Systems Steering Ltd | Tank-integrated pump device |
| CN103452923A (en) * | 2013-09-02 | 2013-12-18 | 中石化胜利油建工程有限公司 | Anti-leakage connecting device for large-scale hydraulic machine upper liquid flushing box and installing method of anti-leakage connecting device |
| CN106224544A (en) * | 2016-08-16 | 2016-12-14 | 甘子昊 | A kind of sealing structure being applicable to big cracking pressure container |
| CN106224544B (en) * | 2016-08-16 | 2019-04-16 | 甘子昊 | A kind of sealing structure suitable for big opening pressure vessel |
| JP2020006327A (en) * | 2018-07-10 | 2020-01-16 | 三浦工業株式会社 | Washer |
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| Publication number | Publication date |
|---|---|
| JP3504068B2 (en) | 2004-03-08 |
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