JPH0672640B2 - Vehicle anti-vibration structure - Google Patents
Vehicle anti-vibration structureInfo
- Publication number
- JPH0672640B2 JPH0672640B2 JP62062001A JP6200187A JPH0672640B2 JP H0672640 B2 JPH0672640 B2 JP H0672640B2 JP 62062001 A JP62062001 A JP 62062001A JP 6200187 A JP6200187 A JP 6200187A JP H0672640 B2 JPH0672640 B2 JP H0672640B2
- Authority
- JP
- Japan
- Prior art keywords
- main body
- annular groove
- vibration
- rubber
- vibration isolator
- 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
- 239000004744 fabric Substances 0.000 claims description 30
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 description 17
- 229920001778 nylon Polymers 0.000 description 17
- 230000006866 deterioration Effects 0.000 description 6
- 230000005489 elastic deformation Effects 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013040 rubber vulcanization Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/371—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by inserts or auxiliary extension or exterior elements, e.g. for rigidification
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Vibration Prevention Devices (AREA)
- Springs (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 この発明は、自動車の例えば車体のパネルメンバーとセ
ンタメンバーを弾性的に結合させる車両の防振体構造に
関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle vibration-isolating structure for elastically coupling a panel member and a center member of a vehicle body of an automobile, for example.
従来の技術 従来のこの種防振体構造としては、例えば第４図〜第６
図に示すようなものが知られている（実開昭59-162369
号公報等参照）。2. Description of the Related Art As a conventional vibration isolator structure of this type, for example, FIGS.
The one shown in the figure is known (Shokai 59-162369).
No.
概略を説明すれば、第４図の１は車体の被取付体たるパ
ネルメンバー、２はボルト３とナット４の緊締により上
記パネルメンバー１に連結される取付部材たるセンタメ
ンバー、５はボルト３の外周に装着されてパネルメンバ
ー１とセンタメンバー２を弾性的に連結する防振体であ
って、この防振体５は、第５図及び第６図に示すように
パネルメンバー１のボルト挿通孔の孔縁1aとワッシャ６
との間に挾持された略筒状のゴム製本体７を有してい
る。この本体７は、中央軸方向に上記ボルト３がカラー
11を介して挿通する挿通孔８が形成されていると共に、
外周の略中央には上記センタメンバー２の長手方向の中
央所定個所に穿設された取付孔の孔縁９が嵌合する円環
溝10が形成されている。The outline will be described. 1 in FIG. 4 is a panel member which is an object to be attached to a vehicle body, 2 is a center member which is a mounting member connected to the panel member 1 by tightening bolts 3 and nuts 4, and 5 is a bolt 3. A vibration isolator mounted on the outer periphery to elastically connect the panel member 1 and the center member 2 to each other. The vibration isolator 5 has bolt insertion holes for the panel member 1 as shown in FIGS. 5 and 6. Hole edge 1a and washer 6
It has a substantially tubular rubber body 7 sandwiched between and. This main body 7 has the above-mentioned bolt 3 in a collar in the central axis direction.
An insertion hole 8 that is inserted through 11 is formed, and
An annular groove 10 into which a hole edge 9 of a mounting hole formed at a predetermined position in the longitudinal direction of the center member 2 is fitted is formed at substantially the center of the outer periphery.
そして、上記パネルメンバー１に上下の加振力が作用
し、その加振力がボルト３に伝達されると本体７が弾性
変形して振動を効果的に吸収し、車内への振動伝達を低
減するようになっている。尚、第４図の12はエンジンで
ある。Then, when the vertical vibration force acts on the panel member 1 and the vibration force is transmitted to the bolt 3, the main body 7 is elastically deformed to effectively absorb the vibration, and the vibration transmission to the inside of the vehicle is reduced. It is supposed to do. Incidentally, 12 in FIG. 4 is an engine.
発明が解決しようとする問題点 しかしながら、上記従来の防振体５にあっては、本体７
に大きな振動が加わりその繰り返し変形が行なわれるた
め、ゴムの劣化が生じ易くなり、特に円環溝10付近の薄
肉部位7aに亀裂が早期に発生して防振体５の耐久性が低
下する。Problems to be Solved by the Invention However, in the conventional vibration isolator 5 described above, the main body 7
Since a large amount of vibration is applied to the rubber to repeatedly deform the rubber, the rubber is likely to deteriorate, and cracks particularly occur in the thin portion 7a near the annular groove 10 at an early stage, and the durability of the vibration isolator 5 is deteriorated.
しかも、斯る防振体５は、配置構成上傾斜状に取り付け
られた場合は、本体７の薄肉部位7aに大きな振動が加わ
るため、部分的な劣化が一層起こり易くなり、そこから
亀裂が発生して本体７が破断し易くなるといった問題が
ある。そこで、例えば実開昭53-101991号公報に記載さ
れている技術のように、円環溝付近の内部に補強材を埋
設して薄肉部位を補強することも考えらているが、この
補強材は合成樹脂や金属材で形成され、剛体になってい
る。このため、ゴム製本体が車体振動に伴い弾性変形し
ても、前記薄肉部位は伸び方向ばかりが圧縮方向にも弾
性変形することが不可能になる。この結果、防振体全体
のばね定数が高くなり、車体振動を効果的に吸収するこ
とが不可能になる。Moreover, when such a vibration isolator 5 is mounted in an inclined manner due to the arrangement configuration, a large vibration is applied to the thin portion 7a of the main body 7, so that partial deterioration is more likely to occur and a crack is generated from there. Then, there is a problem that the main body 7 is easily broken. Therefore, for example, as in the technique described in Japanese Utility Model Laid-Open No. 53-101991, it is considered to embed a reinforcing material in the vicinity of the annular groove to reinforce the thin portion. Is a rigid body made of synthetic resin or metal. Therefore, even if the rubber body is elastically deformed due to the vibration of the vehicle body, the thin portion cannot be elastically deformed not only in the extending direction but also in the compressing direction. As a result, the spring constant of the entire vibration isolator becomes high, and it becomes impossible to effectively absorb the vehicle body vibration.
また、補強材が剛体であることから、円環溝を金属板の
孔縁に容易に嵌合させるために、分割形成されている。
このため、隣接する補強材間の薄肉部位が経時的にゴム
劣化し易くなると共に、車体振動によるゴム製本体の弾
性変形に伴い夫々の補強材の両側縁に応力が集中し易く
なり、薄肉部位に亀裂が発生する惧れがある。Further, since the reinforcing material is a rigid body, it is divided and formed in order to easily fit the annular groove to the hole edge of the metal plate.
Therefore, the thin-walled portions between the adjacent reinforcements are likely to deteriorate with time, and the elastic deformation of the rubber main body due to vehicle body vibration tends to concentrate stress on both side edges of the respective reinforcements. There is a fear that a crack will occur in the.
問題点を解決するための手段 この発明は、上記従来の防振体構造の問題点に鑑み案出
されたもので、ゴム製本体の中央軸方向に車体の被取付
体と取付部材とを連結するボルトの挿通孔が形成されて
いると共に、上記本体の外周に上記取付部材に有する取
付孔の孔縁が嵌合する円環溝が形成された防振体構造に
おいて、上記本体の少なくとも上記円環溝付近の内部
に、該円環溝の全周に亘って折曲自在な補強布を埋設し
たことを特徴としている。Means for Solving the Problems The present invention has been devised in view of the problems of the above conventional vibration isolator structure, and connects a body to be mounted and a mounting member of a vehicle body in a central axial direction of a rubber main body. In the vibration isolator structure, an insertion hole for a bolt is formed, and an annular groove into which the hole edge of the mounting hole of the mounting member fits is formed on the outer periphery of the main body. It is characterized in that a bendable reinforcing cloth is embedded in the vicinity of the annular groove along the entire circumference of the annular groove.
作用 補強布によって円環溝付近の薄肉部位が補強され、ゴム
の劣化が防止されることは勿論のこと、特にゴム製本体
が車体振動等に伴い弾性変形すると、薄肉部位は補強布
の折曲自在にしたがって圧縮方向には弾性変形する。つ
まり、常態の形状から伸び方向には補強布の引張力で薄
肉部位の弾性変形が規制されるものの、圧縮方向には補
強布も折れ曲がるため、薄肉部位も一緒に弾性変形す
る。したがって、防振体全体のばね定数の上昇が抑制さ
れ、車体振動を効果的に吸収することができる。Action The reinforcement cloth reinforces the thin-walled area near the annular groove to prevent the rubber from deteriorating. In particular, when the rubber body is elastically deformed due to vibration of the vehicle body, the thin-walled area bends the reinforcement cloth. It freely elastically deforms in the compression direction. That is, although the elastic deformation of the thin portion is restricted by the tensile force of the reinforcing cloth in the extending direction from the normal state, the reinforcing cloth also bends in the compressing direction, so that the thin portion also elastically deforms together. Therefore, the increase of the spring constant of the entire vibration isolator is suppressed, and the vehicle body vibration can be effectively absorbed.
しかも、補強布は、円環溝の全周に亘って設けられてい
るため、円環溝の薄肉部位全体が補強され、上述のゴム
の劣化による亀裂や破損の発生が確実に防止される。In addition, since the reinforcing cloth is provided over the entire circumference of the annular groove, the entire thin portion of the annular groove is reinforced, and the occurrence of cracks or damage due to the deterioration of the rubber described above is reliably prevented.
実施例 以下、この発明の実施例を図面に基づいて詳述する。
尚、従来と共通の構成個所には同一の符号を付して説明
する。Embodiment Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
It should be noted that the same components as those of the related art will be described with the same reference numerals.
第１図はこの発明に係る防振体５の第１実施例を示し、
略円筒状のゴム製本体７は、中央軸方向に図外のボルト
を挿通する挿通孔８が形成されている共に、外周の略中
央には図外のセンタメンバーの取付孔の孔縁が嵌合する
断面略Ｃ字形の円環溝10が形成されている。そして、上
記本体７の円環溝10付近の内部には、断面略Ｃ字形の環
状補強布たる折曲自在なナイロン布21が上記円環溝10の
内周面10aに沿って、つまり全周に亘って埋設されてい
る。FIG. 1 shows a first embodiment of a vibration isolator 5 according to the present invention,
The rubber body 7 having a substantially cylindrical shape has an insertion hole 8 through which a bolt (not shown) is inserted in the central axial direction, and a hole edge of a mounting hole of a center member (not shown) is fitted in the substantially center of the outer periphery. An annular groove 10 having a substantially C-shaped cross section is formed. Inside the vicinity of the annular groove 10 of the main body 7, a bendable nylon cloth 21 which is an annular reinforcing cloth having a substantially C-shaped cross section is provided along the inner peripheral surface 10a of the annular groove 10, that is, the entire circumference. It is buried all over.
したがって、この実施例によれば、車体の振動に伴い本
体７が軸方向に弾性変形を繰り返しても、ナイロン布21
によって円環溝10付近の薄肉部位7aが補強されるため、
ゴムの劣化が防止される。この結果、本体７の亀裂や破
損等の発生が有効に防止され、耐久性の向上が図れる。
しかも、ゴム製本体７が車体振動に伴い弾性変形する
と、薄肉部位7aはナイロン布21の引張力によって常態形
状から伸び方向への弾性変形が規制されるものの、ナイ
ロン布21の折曲自在性によって圧縮方向への弾性変形が
許容される。したがって、防振体全体のばね定数の上昇
が抑制され、車体振動を効果的に吸収する。Therefore, according to this embodiment, even if the main body 7 is repeatedly elastically deformed in the axial direction due to the vibration of the vehicle body, the nylon cloth 21
Since the thin portion 7a near the annular groove 10 is reinforced by the
The deterioration of rubber is prevented. As a result, the occurrence of cracks, breakage, etc. of the main body 7 can be effectively prevented, and the durability can be improved.
Moreover, when the rubber main body 7 is elastically deformed due to the vibration of the vehicle body, the thin portion 7a is restricted from being elastically deformed from the normal shape to the extension direction by the tensile force of the nylon cloth 21, but the thin cloth portion 7a is bent by the bendability of the nylon cloth 21. Elastic deformation in the compression direction is allowed. Therefore, the increase of the spring constant of the entire vibration isolator is suppressed, and the vehicle body vibration is effectively absorbed.
更に、ナイロン布21が円環溝10の全周に亘って設けられ
ているため、薄肉部位7a全体が補強され、上述のゴムの
劣化が確実に防止され、亀裂や反応の発生が防止され
る。また、本体７が傾斜状に配置されて、本体７の薄肉
部位7aに過度な圧縮応力等が加わってもナイロン布21で
十分に補強されるため、亀裂等の発生が防止されること
は勿論である。Furthermore, since the nylon cloth 21 is provided over the entire circumference of the annular groove 10, the entire thin portion 7a is reinforced, the above-mentioned deterioration of the rubber is reliably prevented, and cracks and reactions are prevented from occurring. . Also, since the main body 7 is arranged in an inclined shape and the thin portion 7a of the main body 7 is sufficiently reinforced with the nylon cloth 21 even if excessive compressive stress is applied, it is of course possible to prevent the occurrence of cracks or the like. Is.
尚、ナイロン布21は、その性質上本体７のゴム加硫成形
時に同時に埋設できるため、成形作業性や防振体５の取
付作業性に悪影響を与えることがない。Since the nylon cloth 21 can be embedded at the same time as the rubber vulcanization molding of the main body 7 due to its nature, it does not adversely affect the molding workability and the workability of attaching the vibration isolator 5.
第２図はこの発明の第２実施例を示し、この実施例では
本体７の上下方向に沿ってナイロン布を内外２重に埋設
したものである。すなわち、各ナイロン布22,23は、夫
々内筒形に形成され、内側のナイロン布22は、挿通孔８
の内周面8aに十分に近接して配置され、一方外側のナイ
ロン布23は円環溝10の内周面10aに近接して配置されて
おり、夫々の巾長さは本体７の上下端7b,7c近傍に達す
る長さに設定されている。FIG. 2 shows a second embodiment of the present invention. In this embodiment, a nylon cloth is embedded inside and outside the main body 7 in the double direction. That is, each of the nylon cloths 22 and 23 is formed in an inner cylindrical shape, and the nylon cloth 22 on the inner side is inserted into the insertion hole 8
The outer peripheral nylon cloth 23 is disposed close to the inner peripheral surface 8a of the main body 7, while the outer nylon cloth 23 is disposed close to the inner peripheral surface 10a of the annular groove 10. The length is set to reach the vicinity of 7b and 7c.
したがって、この第２実施例では２重のナイロン布22,2
3によって本体７全体の補強力が一層強化され、特に各
内周面7a,8aに近接配置したため、亀裂等の発生がより
確実に防止される。Therefore, in this second embodiment, the double nylon cloth 22,2
The reinforcing force of the whole main body 7 is further strengthened by 3, and in particular, since the inner peripheral surfaces 7a and 8a are arranged close to each other, the occurrence of cracks and the like can be prevented more reliably.
第３図はこの発明の第３実施例を示し、上記第２実施例
の外側のナイロン布23を取り除いて、内側のナイロン布
22のみが本体７内部に埋設されている。この場合でも、
本体７の補強性を確保でき、しかも製造作業が第２実施
例よりも容易になるので大量生産性に富み、実用上有利
になる。尚、補強布は上記各実施例のナイロン布に限定
されるものではなく、他の材質の布でもよい。FIG. 3 shows a third embodiment of the present invention, in which the outer nylon cloth 23 of the second embodiment is removed and the inner nylon cloth is removed.
Only 22 is embedded inside the body 7. Even in this case,
Since the reinforcing property of the main body 7 can be secured and the manufacturing work becomes easier than that of the second embodiment, it is rich in mass productivity and practically advantageous. The reinforcing cloth is not limited to the nylon cloth of each of the above-described embodiments, and cloths made of other materials may be used.
発明の効果 以上の説明で明らかなように、この発明に係る車両の防
振体構造によれば、とりわけ、ゴム製本体の少なくとも
円環溝付近の内部に、該円環溝の全周に亘って折曲自在
な補強布を埋設したため、車体の振動に伴いゴム製本体
が繰り返し弾性変形してもゴムの劣化が防止される。EFFECTS OF THE INVENTION As is apparent from the above description, according to the vibration isolator structure for a vehicle of the present invention, in particular, at least in the vicinity of the annular groove of the rubber main body, over the entire circumference of the annular groove. Since the foldable reinforcing cloth is embedded therein, deterioration of the rubber is prevented even if the rubber main body is repeatedly elastically deformed due to the vibration of the vehicle body.
しかも、円環溝内周側の薄肉部位は、補強布によって伸
び方向の弾性変形は規制されるものの圧縮方向の弾性変
形が許容されるため、防振体全体のばね定数の上昇が抑
制されて、車体振動を効果的に吸収することができる。In addition, the thin portion on the inner circumferential side of the annular groove restricts the elastic deformation in the compression direction while the elastic deformation in the extension direction is restricted by the reinforcing cloth, so that the spring constant of the entire vibration isolator is suppressed from increasing. The vehicle body vibration can be effectively absorbed.
また、補強布は、円環溝の全周に亘って設けられている
ため、上記薄肉部位の全体が補強され、上述のゴム劣化
が確実に防止される。この結果、ゴム製本体の亀裂や破
損の発生が有効に防止され、耐久性の向上が図れる。Further, since the reinforcing cloth is provided over the entire circumference of the annular groove, the entire thin portion is reinforced, and the above-mentioned rubber deterioration is reliably prevented. As a result, cracking and damage of the rubber body can be effectively prevented, and durability can be improved.
第１図はこの発明に係る車両の防振体構造の第１実施例
を示す縦断面図、第２図はこの発明の第２実施例を示す
縦断面図、第３図はこの発明の第３実施例を示す縦断面
図、第４図は防振体が車両のパネルメンバーとセンタメ
ンバーの連結に適用された状態を示す概略図、第５図は
第４図の矢視図、第６図は従来の防振体構造を示す縦断
面図である。 １……パネルメンバー（被取付体）、２……センタメン
バー（取付部材）、３……ボルト、５……防振体、７…
…本体、８……挿通孔、10……円環溝、21,22,23……ナ
イロン布（補強布）。FIG. 1 is a vertical sectional view showing a first embodiment of a vibration isolator structure for a vehicle according to the present invention, FIG. 2 is a vertical sectional view showing a second embodiment of the present invention, and FIG. FIG. 4 is a vertical cross-sectional view showing a third embodiment, FIG. 4 is a schematic view showing a state in which a vibration isolator is applied to a connection between a panel member and a center member of a vehicle, and FIG. FIG. 1 is a vertical sectional view showing a conventional vibration isolator structure. 1 ... Panel member (attached body), 2 ... Center member (mounting member), 3 ... Bolt, 5 ... Anti-vibration body, 7 ...
… Main body, 8 …… insertion hole, 10 …… annular groove, 21,22,23 …… nylon cloth (reinforcing cloth).
Claims (1)
と取付部材とを連結するボルトの挿通孔が形成されてい
ると共に、上記本体の外周に上記取付部材に有する取付
孔の孔縁が嵌合する円環溝が形成された防振体構造にお
いて、上記本体の少なくとも上記円環溝付近の内部に、
該円環溝の全周に亘って折曲自在な補強布を埋設したこ
とを特徴とする車両の防振体構造。1. A rubber main body is formed with an insertion hole for a bolt connecting a body to be mounted and a mounting member in the central axial direction, and a mounting hole provided in the mounting member on the outer periphery of the main body. In a vibration isolator structure in which an annular groove with which the edge is fitted is formed, at least inside the vicinity of the annular groove of the main body,
A vibration isolator structure for a vehicle, wherein a bendable reinforcing cloth is embedded along the entire circumference of the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62062001A JPH0672640B2 (en) | 1987-03-17 | 1987-03-17 | Vehicle anti-vibration structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62062001A JPH0672640B2 (en) | 1987-03-17 | 1987-03-17 | Vehicle anti-vibration structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63231033A JPS63231033A (en) | 1988-09-27 |
| JPH0672640B2 true JPH0672640B2 (en) | 1994-09-14 |
Family
ID=13187481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62062001A Expired - Lifetime JPH0672640B2 (en) | 1987-03-17 | 1987-03-17 | Vehicle anti-vibration structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0672640B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4011827A1 (en) * | 1990-04-12 | 1991-10-17 | Daimler Benz Ag | SUPPORT BEARING |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53101991U (en) * | 1977-01-24 | 1978-08-17 | ||
| JPS59100624U (en) * | 1982-12-27 | 1984-07-07 | いすゞ自動車株式会社 | Engine rear mount structure |
-
1987
- 1987-03-17 JP JP62062001A patent/JPH0672640B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63231033A (en) | 1988-09-27 |
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|---|---|---|---|
| R250 | Receipt of annual fees |
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