JPH0114737Y2 - - Google Patents
Info
- Publication number
- JPH0114737Y2 JPH0114737Y2 JP1983086514U JP8651483U JPH0114737Y2 JP H0114737 Y2 JPH0114737 Y2 JP H0114737Y2 JP 1983086514 U JP1983086514 U JP 1983086514U JP 8651483 U JP8651483 U JP 8651483U JP H0114737 Y2 JPH0114737 Y2 JP H0114737Y2
- Authority
- JP
- Japan
- Prior art keywords
- air supply
- pipe
- supply communication
- communication pipe
- joint flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
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- Supercharger (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Joints Allowing Movement (AREA)
Description
【考案の詳細な説明】
本考案は過給機の圧縮給気出口部とインターク
ーラとを、複数本の給気連絡管を継ぎ足して接続
する内燃機関の給気連絡管構造をに関する。[Detailed Description of the Invention] The present invention relates to an air supply communication pipe structure for an internal combustion engine that connects a compressed air supply outlet of a supercharger and an intercooler by connecting a plurality of air supply communication pipes.
一般に過給機とインタークーラとは、内燃機関
のクランク軸方向の両端部にそれぞれ配置されて
おり、過給機の圧縮給気出口部とインタークーラ
とを接続する給気連絡通路は、複数本の給気連絡
管を継ぎ足すことにより、内燃機関の略全長にわ
たつて形成されている。 Generally, a supercharger and an intercooler are placed at both ends of an internal combustion engine in the direction of the crankshaft, and there are multiple air supply passages connecting the compressed air outlet of the supercharger and the intercooler. By adding air supply connecting pipes, it is formed over almost the entire length of the internal combustion engine.
ところが過給機からインタークーラまで至る給
気が高温（約160℃）であることと、上記給気連
絡管の全長が長いことにより、熱膨張が大きく、
そのために各給気連絡管の継手部分が損傷したり
して、給気漏れが発生するおそれがある。 However, due to the high temperature of the supply air from the turbocharger to the intercooler (approximately 160℃) and the long overall length of the supply air connection pipe, thermal expansion is large.
As a result, there is a risk that the joints of each air supply connecting pipe may be damaged, resulting in air supply leakage.
本考案は各給気連絡管の継手部分を工夫するこ
とにより、給気連絡管の熱膨張を確実に吸収でき
るようにすることを目的としている。 The purpose of this invention is to make it possible to reliably absorb the thermal expansion of the air supply communication pipes by devising the joints of each air supply communication pipe.
上記目的を達成する手段として本考案は、適宜
の給気連絡管の継手フランジを、その給気連絡管
に対して着脱自在かつ相対的に管長さ方向移動可
能に構成して、Ｏリングを介して上記給気連絡管
に嵌合し、上記移動式の継手フランジを、隣り合
う給気連絡管の固着式継手フランジに連結してい
る。それにより隣り合う給気連絡管の継手部分で
熱膨張吸収代を採れるようにしている。 As a means to achieve the above object, the present invention configures a fitting flange of a suitable air supply connecting pipe to be detachable from the air supply connecting pipe and movable relative to the pipe length, and to connect the connecting flange with an O-ring. The movable joint flange is connected to the fixed joint flange of the adjacent air supply communication pipe. This makes it possible to absorb thermal expansion at the joints of adjacent air supply connecting pipes.
実施例図面に基づいて説明すると、第１図にお
いて、１はシリンダブロツク、２はシリンダヘツ
ドであつて、シリンダブロツク１の両端部、即ち
クランク軸（中心線Ｏ）方向の両端部に、過給機
３及び給気用インタークーラ４が備えられてい
る。過給機３は過給機取付台５を介してシリンダ
ブロツク１に固着され、インタークーラ４はクー
ラ取付台６を介してシリンダブロツク１に固着さ
れている。過給機３の圧縮給気出口部３ａとイン
タークーラ４とは、複数本の給気連絡管、例えば
過給機３側から第１〜第４給気連絡管７，８，
９，１０を介して接続されている。 To explain based on the drawings of the embodiment, in FIG. 1, 1 is a cylinder block, 2 is a cylinder head, and the supercharging is provided at both ends of the cylinder block 1, that is, at both ends in the direction of the crankshaft (center line O). The engine 3 and the air supply intercooler 4 are provided. The supercharger 3 is fixed to the cylinder block 1 via a supercharger mount 5, and the intercooler 4 is fixed to the cylinder block 1 via a cooler mount 6. The compressed air supply outlet 3a of the supercharger 3 and the intercooler 4 are connected to a plurality of air supply communication pipes, for example, first to fourth air supply communication pipes 7, 8,
9 and 10.
各給気連絡管７，８，９，１０の配置構造及び
継手構造を詳しく説明すると、第２図において、
第１給気連絡管７は給気出口部３ａから下方へ延
びると共に円弧状に前方へと折れ曲がり、取付台
５の管通過孔１１を通り、前方へと突出してい
る。第１給気連絡管７の上端部には固着式継手フ
ランジ１２が溶着され、固着式継手フランジ１２
は給気出口部３ａの継手フランジ１３に連結され
ている。第１給気連絡管７の前端部には、第１給
気連絡管７に対して着脱自在かつ相対的に管長さ
方向（前後方向）移動可能な移動式の継手フラン
ジ１５が備えられ、移動式継手フランジ１５は第
２給気連絡管８の固着式継手フランジ１６に連結
されている。固着式継手フランジ１６は第２給気
連絡管８に溶着されている。第３図において、移
動式継手フランジ１５の内周面前端側部分には、
環状テーパ面１７が形成されており、上記テーパ
面１７と固着式継手フランジ１６の後端面の間に
Ｏリング１８が配置され、Ｏリング１８を介して
移動式継手フランジ１５が第１給気連絡管７に嵌
合している。移動式継手フランジ１５は複数本の
ボルト１９により固着式継手フランジ１６に締結
されている。また移動式継手フランジ１５のテー
パ面１７により、Ｏリング１８を第１給気連絡管
７の外周面に押え付けている。第１給気連絡管７
の前端縁と第２給気連絡管８の後端縁の間には、
熱膨張吸収代として間隔d1が隔てられている。こ
の間隔d1により、第１給気連絡管７の熱膨張を吸
収するようにしている。 To explain in detail the arrangement structure and joint structure of each air supply communication pipe 7, 8, 9, 10, in Fig. 2,
The first air supply communication pipe 7 extends downward from the air supply outlet 3a, bends forward in an arc shape, passes through the pipe passage hole 11 of the mounting base 5, and projects forward. A fixed joint flange 12 is welded to the upper end of the first air supply communication pipe 7.
is connected to the joint flange 13 of the air supply outlet portion 3a. The front end of the first air supply communication pipe 7 is provided with a movable joint flange 15 that is detachable from the first air supply communication pipe 7 and movable relative to the pipe length direction (back and forth direction). The type joint flange 15 is connected to a fixed type joint flange 16 of the second air supply communication pipe 8. The fixed joint flange 16 is welded to the second air supply communication pipe 8. In FIG. 3, on the front end side of the inner peripheral surface of the movable joint flange 15,
An annular tapered surface 17 is formed, an O-ring 18 is disposed between the tapered surface 17 and the rear end surface of the fixed joint flange 16, and the movable joint flange 15 is connected to the first air supply communication via the O-ring 18. It is fitted into the pipe 7. The movable joint flange 15 is fastened to the fixed joint flange 16 with a plurality of bolts 19. Further, the O-ring 18 is pressed against the outer peripheral surface of the first air supply communication pipe 7 by the tapered surface 17 of the movable joint flange 15 . First air supply connection pipe 7
Between the front end edge of the second air supply connecting pipe 8 and the rear end edge of the second air supply connecting pipe 8,
They are separated by a distance d 1 as a thermal expansion absorption allowance. This spacing d 1 allows thermal expansion of the first air supply communication pipe 7 to be absorbed.
再び第１図において、第２給気連絡管８と第３
給気連絡管９とは各管８，９の固着式継手フラン
ジ２０，２１がボルト２３により締結されてい
る。各固着式継手フランジ２０，２１は各管８，
９に溶着されている。第３給気連絡管９はクラン
ク軸Ｏと平行にインタークーラ４側へと延び、途
中部分において２組の支持装置２４により、シリ
ンダブロツク１の壁面に支持されている。第３給
気連絡管９と第４給気連絡管１０とは、第４図に
示すように移動式継手フランジ２５を利用して連
結されている。第４図に示す継手構造は第３図に
示す継手構造と同様である。即ち第４図におい
て、移動式継手フランジ２５は第３給気連絡管９
に着脱自在かつ相対的に管長さ方向移動自在に嵌
合し、第４給気連絡管１０の固着式継手フランジ
２７にボルト２８により連結されている。Ｏリン
グ３０は移動式継手フランジ２５のテーパ面３１
と固着式継手フランジ２７の第４図左端面の間に
配置されており、テーパ面３１によつて第３給気
連絡管９の外周面に押し付けられている。第３、
第４給気連絡管９，１０間は膨張吸収代として間
隔d2が隔てられている。即ち第３給気連絡管９の
矢印Ｒ方向への熱膨張を吸収できるようになつて
いる。 Referring again to FIG. 1, the second air supply connecting pipe 8 and the third
Fixed joint flanges 20 and 21 of the respective pipes 8 and 9 are fastened to the air supply communication pipe 9 by bolts 23. Each fixed joint flange 20, 21 is attached to each pipe 8,
It is welded to 9. The third air supply communication pipe 9 extends parallel to the crankshaft O toward the intercooler 4, and is supported by two sets of support devices 24 on the wall surface of the cylinder block 1 at an intermediate portion. The third air supply communication pipe 9 and the fourth air supply communication pipe 10 are connected using a movable joint flange 25, as shown in FIG. The joint structure shown in FIG. 4 is similar to the joint structure shown in FIG. That is, in FIG. 4, the movable joint flange 25 is connected to the third air supply connecting pipe 9.
The fourth air supply connecting pipe 10 is connected to the fixed joint flange 27 of the fourth air supply connecting pipe 10 by a bolt 28. The O-ring 30 is connected to the tapered surface 31 of the movable joint flange 25.
and the left end surface of the fixed joint flange 27 in FIG. 4, and is pressed against the outer circumferential surface of the third air supply communication pipe 9 by the tapered surface 31. Third,
A distance d 2 is provided between the fourth air supply communication pipes 9 and 10 as an expansion/absorption allowance. That is, thermal expansion of the third air supply communication pipe 9 in the direction of arrow R can be absorbed.
一方機関運転中、第３給気連絡管９には給気圧
力に対する反力が矢印Ｌ方向にかかり、その反力
により第３給気連絡管９が矢印Ｌ方向へ押し動か
される場合がある。上記反力が大きい場合には、
Ｏリング３０から第３給気連絡管９が外れ、給気
漏れを起こすおそれがある。上記給気漏れの発生
を防止するためと、第３給気連絡管９の熱膨張を
矢印Ｒ方向へ支障なく行なわせるために、第１図
の各支持装置２４は次のように構成されている。 On the other hand, during engine operation, a reaction force against the air supply pressure is applied to the third air supply communication pipe 9 in the direction of the arrow L, and the third air supply communication pipe 9 may be pushed in the direction of the arrow L by the reaction force. If the above reaction force is large,
There is a risk that the third air supply communication pipe 9 may come off from the O-ring 30, causing air supply leakage. In order to prevent the above-mentioned supply air leakage and to allow the third supply air communication pipe 9 to thermally expand in the direction of arrow R without any hindrance, each support device 24 in FIG. 1 is constructed as follows. There is.
第５図において、支持装置２４は連絡管サポー
ト３３とストツパ金具３４とストツパボルト３５
等を備えている。サポート３３はシリンダブロツ
ク１に固着されており、第３給気連絡管９はサポ
ート３３に管長さ方向移動自在に支持されてい
る。ストツパ金具３４はサポート３３に対して間
隔を隔てて矢印Ｌ方向側に配されると共に、第３
給気連絡管９に溶着されている。ストツパボルト
３５は矢印Ｌ方向へとサポート３３のボルト挿通
孔３７及び金具３４のボルト挿通孔３８に順に挿
入され、２個の止めナツト３９，４０により金具
３４に固定されている。即ち第３給気連絡管９は
第５図の位置から矢印Ｒ方向（熱膨張による伸び
方向）へはボルト３５と共に移動するが、給気圧
力の反力が矢印Ｌ方向へかかるときにはボルト３
５の頭部がサポート３３に当接し、矢印Ｌ方向へ
の移動が阻止される。即ち給気圧力の矢印Ｌ方向
の反力により第４図のＯリング３０から第３給気
連絡管９が外れる心配はなくなる。なおストツパ
金具３４に対するボルト３５の矢印Ｒ方向側の突
出量は、第３給気連絡管９の熱膨張の度合と給気
圧力の反力の大きさとをバランスさせるように設
定する。 In FIG. 5, the support device 24 includes a connecting pipe support 33, a stopper fitting 34, and a stopper bolt 35.
etc. The support 33 is fixed to the cylinder block 1, and the third air supply communication pipe 9 is supported by the support 33 so as to be movable in the pipe length direction. The stopper fitting 34 is arranged on the side in the direction of arrow L at a distance from the support 33, and
It is welded to the air supply connecting pipe 9. The stopper bolt 35 is sequentially inserted into the bolt insertion hole 37 of the support 33 and the bolt insertion hole 38 of the metal fitting 34 in the direction of arrow L, and is fixed to the metal fitting 34 by two locking nuts 39 and 40. That is, the third air supply connecting pipe 9 moves together with the bolt 35 from the position shown in FIG.
5's head comes into contact with the support 33, and movement in the direction of arrow L is prevented. That is, there is no need to worry about the third air supply connecting pipe 9 coming off from the O-ring 30 in FIG. 4 due to the reaction force of the air supply pressure in the direction of the arrow L. Note that the amount of protrusion of the bolt 35 in the direction of arrow R relative to the stopper fitting 34 is set so as to balance the degree of thermal expansion of the third air supply communication pipe 9 and the magnitude of the reaction force of the air supply pressure.
以上説明したように本考案によると、適宜の給
気連絡管の継手フランジを、その給気連絡に対し
て着脱自在かつ相対的に管長さ方向移動可能に構
成して、Ｏリングを介して上記給気連絡管に嵌合
し、上記移動式の継手フランジを、隣り合う給気
連絡管の固着式継手フランジに連結しているの
で、各給気連絡管の間に簡単に熱膨張吸収代を採
ることができる。それにより給気連絡管の熱膨張
を確実に吸収することができ、熱膨張による給気
連絡管の損傷や過給機のタービン軸の歪発生等を
防止することができる。また給気連絡管全体の寸
法調整を容易に行えるので、給気連絡管の分解組
立も容易になる。 As explained above, according to the present invention, the joint flange of a suitable air supply communication pipe is configured to be detachable from the air supply communication and movable in the length direction of the pipe relative to the air supply communication. The movable joint flange is connected to the fixed joint flange of the adjacent supply air connection pipe, so it is easy to create a thermal expansion absorption allowance between each supply air connection pipe. You can take it. As a result, thermal expansion of the air supply connecting pipe can be reliably absorbed, and damage to the air supply connecting pipe and distortion of the turbine shaft of the supercharger due to thermal expansion can be prevented. Furthermore, since the dimensions of the entire air supply communication pipe can be easily adjusted, disassembly and assembly of the air supply communication pipe is also facilitated.
また本考案には次のような利点もある。 The present invention also has the following advantages.
(A) シリンダブロツク１のクランク軸長さ方向一
端部の過給機３と、他端部のインタークーラ４
とを接続する給気連絡管構造において、長い給
気連絡管を配設するにもかかわらず、取付け作
業が容易である。(A) A supercharger 3 at one end of the cylinder block 1 in the lengthwise direction of the crankshaft, and an intercooler 4 at the other end.
In the air supply connecting pipe structure that connects the air supply pipe, the installation work is easy even though a long air supply connecting pipe is provided.
即ち過給機３に直結される第１給気連絡管７
と、インタークーラ４に直結される第４給気連
絡管１０とは、それぞれ過給機３及びインター
クーラ４と一体的にエンジンに取り付ける必要
があるが、それら両端の給気連絡管７，１０は
それぞれ着脱自在な移動式継手フランジ１５，
２５を利用して相手部材と接続するようにして
いるので、第１給気連絡管７を過給機３と一体
的に配設する作業並びに第４給気連絡管１０を
インタークーラ４と一体的に配設する作業にお
いて、移動式継手フランジ１５を取り外した状
態で配設でき、狭い所でも簡単に連絡管を挿入
することができ、取付け作業が簡単になる。 That is, the first air supply communication pipe 7 directly connected to the supercharger 3
The fourth air supply connecting pipe 10 directly connected to the intercooler 4 must be installed integrally with the supercharger 3 and the intercooler 4, respectively, but the fourth air supply connecting pipe 7, 10 at both ends of the are removable movable joint flanges 15,
25 is used to connect to the other component, the work of disposing the first air supply communication pipe 7 integrally with the supercharger 3 and the fourth supply air communication pipe 10 with the intercooler 4 is necessary. In installation work, the movable joint flange 15 can be installed with removed, the connecting pipe can be easily inserted even in a narrow place, and the installation work is simplified.
(B) 過給機３に直結される第１給気連絡管７に着
脱自在な移動式継手フランジ１５を備えている
ので、第２図のように取付台５の管通過孔１１
に通して給気通路の短縮化及び機関全長のコン
パクト化を図る場合に、上記孔１１の直径を継
手フランジ１５の直径より小さくすることがで
きる。それにより過給機取付台５の板厚を厚く
することなく強度を高くすることができ、重量
軽減及びコストダウンを達成できる。(B) Since the first air supply communication pipe 7 directly connected to the supercharger 3 is equipped with a removable movable joint flange 15, the pipe passage hole 11 of the mounting base 5 is attached as shown in Fig. 2.
The diameter of the hole 11 can be made smaller than the diameter of the joint flange 15 in order to shorten the air supply passage and make the overall length of the engine more compact. Thereby, the strength of the supercharger mounting base 5 can be increased without increasing the plate thickness, and weight and cost reductions can be achieved.
(C) クランク軸と平行に直線状に延びる第３給気
連絡管９を、支持装置２４を介してシリンダブ
ロツク１に長さ方向移動自在に支持しているの
で、連絡管同志を継ぎ足す時には、予め第３給
気連絡管９をシリンダーブロツクに取り付けて
おいて、第３給気連絡管９を長さ方向に移動調
節しながら、簡単かつ精度良く連絡管同志を継
ぎ足すことができる。(C) The third air supply connecting pipe 9, which extends linearly parallel to the crankshaft, is supported on the cylinder block 1 via the support device 24 so that it can move freely in the length direction, so when connecting the connecting pipes, By attaching the third air supply communication pipe 9 to the cylinder block in advance, it is possible to easily and accurately add communication pipes while adjusting the movement of the third air supply communication pipe 9 in the length direction.
即ち長い第３給気連絡管９をシリンダーブロツ
クに取付け後、連絡管同志の隙間等を調節でき、
連絡管同志の接続作業が一層精度よくかつ容易に
なる。 That is, after attaching the long third air supply communication pipe 9 to the cylinder block, the gap between the communication pipes can be adjusted.
Connection work between connecting pipes becomes easier and more accurate.
第１図は本考案を適用した内燃機関の全体側面
図、第２図は第１図の−断面部分拡大図、第
３図は第２図のＡ部分の拡大図、第４図は第１図
のＢ部分の拡大断面図、第５図は第１図のＣ部分
の拡大図である。３……過給機、３ａ……出口
部、４……インタークーラ、７，８，９，１０…
…給気連絡管、１５，２５……移動式継手フラン
ジ、１６，２７……固着式継手フランジ。
Fig. 1 is an overall side view of an internal combustion engine to which the present invention is applied, Fig. 2 is an enlarged partial cross-sectional view of Fig. 1, Fig. 3 is an enlarged view of part A in Fig. 2, and Fig. 4 is an enlarged view of the FIG. 5 is an enlarged sectional view of portion B in the figure, and FIG. 5 is an enlarged view of portion C in FIG. 3...Supercharger, 3a...Outlet section, 4...Intercooler, 7, 8, 9, 10...
...Air supply communication pipe, 15, 25...Movable joint flange, 16,27...Fixed joint flange.
Claims (1)
端部に過給機３を、他端部にインタークーラ４を
配置し、過給機３の圧縮給気出口３ａとインター
クーラ４とを、複数本の給気連絡管を継ぎ足して
接続する内燃機関の給気連絡管構造において、ク
ランク軸と略平行に直線状に延びる第３給気連絡
管９を、支持装置２４を介してシリンダブロツク
１に長さ方向移動自在に支持し、過給機３に直結
される第１給気連絡管７に着脱自在かつ相対的に
管長さ方向移動可能な移動式継手フランジ１５を
Ｏリング１８を介して嵌合し、上記第１給気連絡
管７の移動式継手フランジ１５を、第３給気連絡
管９に接続された第２給気連絡管８の固着式フラ
ンジ１６に連結し、インタークーラ４に直結され
る第４給気連絡管１０に固着式継手フランジ２７
を固着し、第３給気連絡管９の第４給気連絡管側
の端部に着脱自在かつ相対的に管長さ方向移動可
能な移動式継手フランジ２５をＯリング３０を介
して嵌合し、上記移動式継手フランジ２５を第４
給気連絡管１０の固着式継手フランジ２７に連結
したことを特徴とする内燃機関の給気連絡管構
造。 A supercharger 3 is arranged at one end of the cylinder block 1 in the lengthwise direction of the crankshaft, and an intercooler 4 is arranged at the other end. In the air supply communication pipe structure of an internal combustion engine in which air supply communication pipes are connected by adding them, a third air supply communication pipe 9 extending linearly substantially parallel to the crankshaft is connected to the cylinder block 1 via a support device 24 for a length. A movable joint flange 15 that is supported so as to be movable in a direction and that is detachable and relatively movable in the length direction of the pipe is fitted to the first air supply communication pipe 7 that is directly connected to the supercharger 3 via an O-ring 18. , the movable joint flange 15 of the first air supply communication pipe 7 is connected to the fixed flange 16 of the second air supply communication pipe 8 connected to the third air supply communication pipe 9, and the movable joint flange 15 of the first air supply communication pipe 7 is connected directly to the intercooler 4. A fixed joint flange 27 is attached to the fourth air supply connecting pipe 10.
A movable joint flange 25 that is detachable and movable in the pipe length direction is fitted to the end of the third air supply communication pipe 9 on the fourth air supply communication pipe side via an O-ring 30. , the movable joint flange 25 is moved to the fourth
An air supply connecting pipe structure for an internal combustion engine, characterized in that it is connected to a fixed joint flange 27 of an air supply connecting pipe 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8651483U JPS59190935U (en) | 1983-06-06 | 1983-06-06 | Internal combustion engine air supply connection pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8651483U JPS59190935U (en) | 1983-06-06 | 1983-06-06 | Internal combustion engine air supply connection pipe structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59190935U JPS59190935U (en) | 1984-12-18 |
| JPH0114737Y2 true JPH0114737Y2 (en) | 1989-04-28 |
Family
ID=30216442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8651483U Granted JPS59190935U (en) | 1983-06-06 | 1983-06-06 | Internal combustion engine air supply connection pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59190935U (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5822972U (en) * | 1981-08-01 | 1983-02-12 | 日本カニゼン株式会社 | Plating set |
-
1983
- 1983-06-06 JP JP8651483U patent/JPS59190935U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59190935U (en) | 1984-12-18 |
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