JPH0137148Y2 - - Google Patents
Info
- Publication number
- JPH0137148Y2 JPH0137148Y2 JP7116285U JP7116285U JPH0137148Y2 JP H0137148 Y2 JPH0137148 Y2 JP H0137148Y2 JP 7116285 U JP7116285 U JP 7116285U JP 7116285 U JP7116285 U JP 7116285U JP H0137148 Y2 JPH0137148 Y2 JP H0137148Y2
- Authority
- JP
- Japan
- Prior art keywords
- vibration isolating
- isolating member
- exhaust pipe
- stay
- force
- 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
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 description 15
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Exhaust Silencers (AREA)
- Vibration Prevention Devices (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は車両等における排気管の支持構造に関
する。[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a support structure for an exhaust pipe in a vehicle or the like.
（従来の技術）
排気管振動のフレーム側への伝達を遮断し、排
気管の変位を規制するため、排気管の支持は従来
第４図に示すように、エンジン５１から延出する
排気管５２の近傍に防振部材５３を配設し、フレ
ーム５４側に取着したステー５５を前記防振部材
５３の上部箇所に挿通して該ステー５５で防振部
材５３を支持し、排気管５２側に取着したステー
５６を前記防振部材５３の下部箇所に挿通して防
振部材５３により排気管５２側のステー５６を支
持することにより行つており、防振部材５３は一
般にその厚みｔが一律のものを用いる。(Prior Art) In order to block the transmission of exhaust pipe vibration to the frame side and regulate the displacement of the exhaust pipe, the exhaust pipe is conventionally supported by an exhaust pipe 52 extending from an engine 51, as shown in FIG. A vibration isolating member 53 is arranged near the frame 54 side, a stay 55 attached to the frame 54 side is inserted into the upper part of the vibration isolating member 53, the vibration isolating member 53 is supported by the stay 55, and the vibration isolating member 53 is supported on the exhaust pipe 52 side. This is done by inserting the stay 56 attached to the vibration isolating member 53 into the lower part of the vibration isolating member 53 and supporting the stay 56 on the exhaust pipe 52 side by the vibration isolating member 53. Generally, the thickness of the vibration isolating member 53 is t. Use a uniform one.
（考案が解決しようとする問題点）
一方、前記防振部材５３には第５図に示すよう
に引張・圧縮方向の力F1と、せん断方向の力F2
が作用する。そのため厚みの薄い防振部材５３ａ
を用いた場合には、第６図ａ，ｂに示すように、
引張、圧縮方向の力F1、及びせん断方向の力F2
に対して有効に規制力を発揮しない。この場合、
ラバー硬度を上げて引張、圧縮方向の規制力を上
げることもできるが、せん断方向の規制力はほと
んど上がらない。(Problems to be Solved by the Invention) On the other hand, as shown in FIG .
acts. Therefore, the vibration isolating member 53a is thin.
When using, as shown in Figure 6 a and b,
Forces in tensile and compressive directions F 1 and forces in shear directions F 2
does not exert effective regulatory power against in this case,
Although it is possible to increase the regulating force in the tensile and compressive directions by increasing the rubber hardness, the regulating force in the shear direction hardly increases.
また、厚みの厚い防振部材５３ｂを用いた場合
には、せん断方向の力F2に対して規制力を発揮
するものの、引張、圧縮方向の力F1に対してば
ね定数が高くなり過ぎ、またラバー等の材料使用
料が高く、コスト高になる。 In addition, when a thick vibration isolating member 53b is used, although it exerts a regulating force against the force F2 in the shear direction, the spring constant becomes too high against the force F1 in the tensile and compressive directions. Furthermore, the cost of using materials such as rubber is high, resulting in high costs.
更に、実開昭55−94225号公報に示すように、
上部から下部に厚みを漸増させた防振部材５３ｃ
を用いた場合には、引張、圧縮方向の力F1とせ
ん断方向の力F2が組み合わさつた回転方向の力
F3に対して規制力を発揮できない。 Furthermore, as shown in Utility Model Application Publication No. 55-94225,
Vibration isolation member 53c whose thickness gradually increases from the top to the bottom
is used, the force in the rotational direction is a combination of the force in the tensile and compressive directions F 1 and the force in the shear direction F 2
Unable to exercise regulatory power against F3 .
本考案は前記不具合を解消すべく案出されたも
のであつて、本考案の目的とする処は、防振部材
に作用する引張、圧縮方向の力F1、せん断方向
の力F2、回転方向の力F3に対して夫々有効に規
制力を発揮でき、しかも簡易な構造にして防振部
材のコストダウンを図れる排気管の支持構造を提
供するにある。 The present invention was devised to solve the above-mentioned problems, and the purpose of the present invention is to reduce the force F 1 in the tensile and compressive directions, the force F 2 in the shear direction, and the rotational force acting on the vibration isolating member. To provide a support structure for an exhaust pipe that can effectively exert a regulating force against the force F3 in each direction and that can have a simple structure and reduce the cost of a vibration isolating member.
（問題点を解決するための手段）
本考案は前記目的を達成するため、防振部材４
の厚みｔをフレーム６側のステー８が挿通する上
部箇所４ａから排気管２側のステー１３が挿通す
る下部箇所４ｂへ漸減して形成したことを特徴と
する。(Means for solving the problem) In order to achieve the above-mentioned object, the present invention
It is characterized in that the thickness t is gradually decreased from the upper part 4a where the stay 8 on the frame 6 side is inserted to the lower part 4b where the stay 13 on the exhaust pipe 2 side is inserted.
（作用）
防振部材４の厚みｔをフレーム６側のステー８
が挿通する上部箇所４ａから排気管２側のステー
１３が挿通する下部箇所４ｂへ漸減したので、引
張、圧縮方向の力F1に対して適度なばね定数を
保つて力F1に対して規制力を発揮し、また防振
部材４における上部箇所４ａの断面積は大きく、
従つてせん断方向の力F2及び回転方向の力F2に
対して夫々有効に規制力を発揮する。(Function) The thickness t of the vibration isolating member 4 is set by the stay 8 on the frame 6 side.
As the stay 13 on the exhaust pipe 2 side gradually decreases from the upper part 4a where it is inserted to the lower part 4b where the stay 13 is inserted, the force F1 is regulated by maintaining an appropriate spring constant against the force F1 in the tensile and compressive directions. The cross-sectional area of the upper part 4a of the vibration isolating member 4 is large,
Therefore, it effectively exerts a regulating force against the force F 2 in the shear direction and the force F 2 in the rotation direction.
（実施例）
以下、本考案の好適一実施例を添付図面に従つ
て説明する。(Embodiment) Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings.
第１図は排気管の支持構造を示す概略側面図、
第２図は第１図の矢視図、第３図は第１図の
−線断面図を示す。 Figure 1 is a schematic side view showing the support structure of the exhaust pipe;
2 is a view taken along the arrow in FIG. 1, and FIG. 3 is a sectional view taken along the line -- in FIG.
１はFF車に搭載した横置きエンジン、２はそ
の排気管で、排気管２は車両の後方に延出され、
中間部にはフレキシブルチユーブ３が介設され、
該フレキシブルチユーブ３の近傍に、排気管２の
長手方向にほぼ直交する方向に厚みｔ方向を向け
て防振部材４を配設する。 1 is a horizontal engine installed in a front-wheel drive vehicle, 2 is its exhaust pipe, and the exhaust pipe 2 extends to the rear of the vehicle.
A flexible tube 3 is interposed in the middle part,
A vibration isolating member 4 is disposed near the flexible tube 3 with its thickness t oriented in a direction substantially perpendicular to the longitudinal direction of the exhaust pipe 2 .
６は車体７側のリヤビームで、リヤビーム６か
らはステー８を突設し、ステー８を防振部材４の
上部箇所４ａで厚みｔ方向に挿通してステー８に
より防振部材４を支持し、ステー８の先端には屈
曲部８ａを形成する。 6 is a rear beam on the side of the vehicle body 7, and a stay 8 is provided protruding from the rear beam 6, the stay 8 is inserted in the thickness direction t at the upper part 4a of the vibration isolating member 4, and the vibration isolating member 4 is supported by the stay 8; A bent portion 8a is formed at the tip of the stay 8.
前記フレキシブルチユーブ３後端のフランジ１
１からはブラケツト１２を起設し、ブラケツト１
２から突設したステー１３を防振部材４の下部箇
所４ｂで厚みｔ方向に挿通して防振部材４により
ステー１３を支持し、ステー１３の先端には屈曲
部１３ａを形成する。実施例では前記ステー８，
１３の防振部材４への挿通部分８ｂ，１３ｂを、
エンジン１の慣性手軸２１を中心とする回転軌跡
２２の接線２３上にほぼ位置させ、回転軌跡２２
方向の排気管振動に対する防振部材４の規制力を
有効に発揮し得るように構成している。 Flange 1 at the rear end of the flexible tube 3
From 1, set up bracket 12, and then
A stay 13 protruding from the vibration isolating member 4 is inserted in the thickness direction t at a lower portion 4b of the vibration isolating member 4, and the stay 13 is supported by the vibration isolating member 4, and a bent portion 13a is formed at the tip of the stay 13. In the embodiment, the stay 8,
The insertion portions 8b and 13b into the vibration isolating member 4 of 13 are
The rotation trajectory 22 is located approximately on the tangent line 23 of the rotation trajectory 22 centered on the inertia hand shaft 21 of the engine 1.
The structure is such that the vibration isolating member 4 can effectively exert its regulating force against vibrations in the exhaust pipe in this direction.
そして前記防振部材４の厚みｔを、上部箇所４
ａから下部箇所４ｂへ向けてt1からt2へと漸減し
て形成し、図中２５はＨ型を呈する肉抜き溝であ
る。 Then, the thickness t of the vibration isolating member 4 is set at the upper portion 4.
25 in the figure is an H-shaped lightening groove that is formed by gradually decreasing from t 1 to t 2 from a to the lower part 4b.
従つて本実施例によれば、防振部材４は引張、
圧縮方向の力F1に対して適度なばね定数を保ち、
第３図ａに示すように引張、圧縮方向の力F1に
対して有効に規制力を発揮する。 Therefore, according to this embodiment, the vibration isolating member 4 has tension,
Maintains an appropriate spring constant against force F 1 in the compression direction,
As shown in Figure 3a, it effectively exerts a regulating force against the force F1 in the tensile and compressive directions.
また、防振部材４における上部箇所４ａ側の断
面積は下部箇所４ｂ側の断面積よりも大きく、従
つて防振部材４の体積を減少してコストダウンを
図り、同時にせん断方向のばね定数を高くでき、
第６図ｂに示すようにせん断方向の力F2に対し
て有効に規制力を発揮する。 In addition, the cross-sectional area of the upper part 4a side of the vibration isolating member 4 is larger than the cross-sectional area of the lower part 4b side, so that the volume of the vibration isolating member 4 can be reduced to reduce costs, and at the same time, the spring constant in the shear direction can be reduced. Can be made high,
As shown in FIG. 6b, it effectively exerts a regulating force against the force F2 in the shear direction.
更に、上部箇所４ａ側の断面積を大きくしたの
で、引張、圧縮方向の力F1とせん断方向の力F2
が組み合わさつた回転方向の力F3に対しても有
効に規制力を発揮することができる。 Furthermore, since the cross-sectional area on the upper part 4a side is increased, the force F 1 in the tensile and compressive directions and the force F 2 in the shear direction
It is possible to effectively exert a regulating force even against the force F 3 in the rotational direction that is combined with the above.
尚、実施例においては、ステー８，１３の挿通
部分８ｂ，１３ｂを、エンジン１の慣性手軸２１
を中心とする回転軌跡２２の接線２３上に位置さ
せた場合について説明したが、挿通部分８ｂ，１
３ｂを、エンジン１のトルクロール軸を中心とす
る回転軌跡の接続上にほぼ位置させれば、トルク
ロール軸を中心として回転方向の排気管運動に対
する防振部材の規制力を有効に発揮させることが
できる。 In the embodiment, the insertion portions 8b, 13b of the stays 8, 13 are connected to the inertial shaft 21 of the engine 1.
Although the case where the insertion portion 8b, 1 is located on the tangent line 23 of the rotation locus 22 centered on
3b is located approximately on the connection of the rotation locus centered on the torque roll axis of the engine 1, the vibration isolating member can effectively exert its regulating force against the exhaust pipe movement in the rotational direction about the torque roll axis. I can do it.
第７図は本考案の第２実施例に係る防振部材１
０４の断面図を示す。 FIG. 7 shows a vibration isolating member 1 according to a second embodiment of the present invention.
04 is shown.
前記第１実施例と同一部材、同一箇所に同一符
号を付して説明すると、第２実施例では車体７側
のステー８ｂが挿通する上部箇所１０４ａから排
気管５２側のステー１３ｂが挿通する下部箇所１
０４ｂまでを平担な側面１０４ｆで接続すると共
に、反対の側面１０４ｇに上部箇所１０４ａから
下部箇所１０４ｂへ至るにつれて前記側面１０４
ｆ側に近ずく傾斜面１０４ｈを形成して防振部材
１０４の厚みｔを上部箇所１０４ａから下部箇所
１０４ｂにわたり厚みt3から厚みt4へと漸減させ
たものであり、図中１２５は肉抜き溝を示す。引
張、圧縮方向の力F1、せん断方向の力F2、回転
方向の力F3に対して夫々有効に規制力を発揮し、
防振部材１０４のコストダウンを図ることができ
る作用、効果等は前記第１実施例と同様である。 The description will be given by assigning the same reference numerals to the same members and the same locations as in the first embodiment. In the second embodiment, from the upper region 104a through which the stay 8b on the vehicle body 7 side is inserted, to the lower region through which the stay 13b on the exhaust pipe 52 side is inserted. Place 1
04b by a flat side surface 104f, and connect the side surface 104 to the opposite side surface 104g from the upper part 104a to the lower part 104b.
The thickness t of the vibration isolating member 104 is gradually decreased from the thickness t 3 to the thickness t 4 from the upper part 104 a to the lower part 104 b by forming an inclined surface 104 h approaching the f side, and 125 in the figure is a thinned part. Shows the groove. Effectively exerts a regulating force against the force F 1 in the tensile and compressive directions, the force F 2 in the shear direction, and the force F 3 in the rotation direction, respectively,
The functions, effects, etc. that can reduce the cost of the vibration isolating member 104 are the same as those of the first embodiment.
（考案の効果）
以上の説明で明らかなように本考案によれば、
防振部材における引張、圧縮方向のばね定数を適
度に保ちつつせん断方向のばね定数を高めること
ができ、防振部材に作用する引張、圧縮方向の力
F1、せん断方向の力F2、回転方向の力F3に対し
て夫々有効に規制力を発揮させ、しかも簡易な構
造にして防振部材のコストダウンを図ることがで
きる。(Effect of the invention) As is clear from the above explanation, according to the invention,
It is possible to increase the spring constant in the shear direction while maintaining an appropriate spring constant in the tension and compression directions in the vibration isolating member, reducing the force acting on the vibration isolation member in the tension and compression directions.
It is possible to effectively exert a regulating force against F 1 , the force F 2 in the shear direction, and the force F 3 in the rotation direction, and also to reduce the cost of the vibration isolating member by using a simple structure.
第１図は排気管の支持構造を示す概略側面図、
第２図は第１図の矢視図、第３図は第１図の
−線断面図、第４図は従来構造の概略側面図、
第５図は第４図の−線断面図、第６図ａ，ｂ
は夫々引張入力、せん断方向と防振部材の変位の
関係を示す線図、第７図は第２実施例の断面図で
ある。
尚図面中１はエンジン、２は排気管、４は防振
部材、８，１３はステーである。
Figure 1 is a schematic side view showing the support structure of the exhaust pipe;
FIG. 2 is a view taken in the direction of the arrow in FIG. 1, FIG. 3 is a sectional view taken along the - line in FIG. 1, and FIG. 4 is a schematic side view of the conventional structure.
Figure 5 is a - line sectional view of Figure 4, Figure 6 a, b
7 is a diagram showing the relationship between tensile input, shear direction, and displacement of the vibration isolating member, respectively, and FIG. 7 is a sectional view of the second embodiment. In the drawings, 1 is an engine, 2 is an exhaust pipe, 4 is a vibration isolating member, and 8 and 13 are stays.
Claims (1)
上部箇所に挿通してフレーム側のステーで該防振
部材を支持し、 排気管側に取着したステーを前記防振部材の下
部箇所に挿通して該防振部材により排気管側のス
テーを支持するようにした排気管の支持構造にお
いて、 前記防振部材の厚みをフレーム側のステーが挿
通する上部箇所から排気管側のステーが挿通する
下部箇所へ漸減して形成したことを特徴とする排
気管の支持構造。[Claims for Utility Model Registration] A vibration isolating member is provided near the exhaust pipe, a stay attached to the frame is inserted into the upper part of the vibration isolating member, and the vibration isolating member is held by the stay on the frame side. In the exhaust pipe support structure, a stay attached to the exhaust pipe side is inserted into a lower part of the vibration isolating member so that the stay on the exhaust pipe side is supported by the vibration isolating member, the vibration isolating member An exhaust pipe support structure characterized in that the thickness of the exhaust pipe is gradually decreased from an upper part where a stay on the frame side is inserted to a lower part where a stay on the exhaust pipe side is inserted.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7116285U JPH0137148Y2 (en) | 1985-05-14 | 1985-05-14 | |
| US06/831,214 US4676332A (en) | 1985-02-21 | 1986-02-20 | Exhaust pipe supporting structure |
| GB08604317A GB2172688B (en) | 1985-02-21 | 1986-02-21 | Vehicle exhaust pipe supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7116285U JPH0137148Y2 (en) | 1985-05-14 | 1985-05-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61186721U JPS61186721U (en) | 1986-11-21 |
| JPH0137148Y2 true JPH0137148Y2 (en) | 1989-11-09 |
Family
ID=30608403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7116285U Expired JPH0137148Y2 (en) | 1985-02-21 | 1985-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0137148Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4710534B2 (en) * | 2005-10-12 | 2011-06-29 | 日産自動車株式会社 | Silencer support structure |
-
1985
- 1985-05-14 JP JP7116285U patent/JPH0137148Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61186721U (en) | 1986-11-21 |
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