JPS6011305Y2 - Corrosion-resistant anti-vibration support member - Google Patents
Corrosion-resistant anti-vibration support memberInfo
- Publication number
- JPS6011305Y2 JPS6011305Y2 JP10697879U JP10697879U JPS6011305Y2 JP S6011305 Y2 JPS6011305 Y2 JP S6011305Y2 JP 10697879 U JP10697879 U JP 10697879U JP 10697879 U JP10697879 U JP 10697879U JP S6011305 Y2 JPS6011305 Y2 JP S6011305Y2
- Authority
- JP
- Japan
- Prior art keywords
- support member
- rubber layer
- layer
- dacro
- vibration support
- 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
Landscapes
- Springs (AREA)
Description
【考案の詳細な説明】
〔考案の技術分野〕
本考案は、剥離を防止した耐食性防振支持部材の改良に
関するものである。[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to an improvement of a corrosion-resistant anti-vibration support member that prevents peeling.
第1図に示すように、この種の防振支持部材1は、船外
機本体のエンジンケース2とステアリングブラケット3
とを結合すると共に、エツジングケース2側のエンジン
回転振動が船体側に伝達されないような構造になってい
る。As shown in FIG. 1, this type of anti-vibration support member 1 consists of an engine case 2 of an outboard motor body and a steering bracket 3.
In addition, the structure is such that engine rotational vibrations on the edging case 2 side are not transmitted to the hull side.
即ち、この防振支持部材1は第2図に示すようにボルト
4,5を各々反対方向へ突設して相対向させた一対の金
具6.7間にゴム層8を設けて形成されている。That is, as shown in FIG. 2, this anti-vibration support member 1 is formed by providing a rubber layer 8 between a pair of metal fittings 6 and 7 which are opposed to each other and have bolts 4 and 5 protruding in opposite directions. There is.
ところで、従来の防振支持部材1は、その性質上海水又
は水がかかる為上記金具6,7に耐食性に優れたダクロ
メタル処理を施している。By the way, since the conventional anti-vibration support member 1 is exposed to Shanghai water or water, the metal fittings 6 and 7 are treated with Dacro metal which has excellent corrosion resistance.
然しながら、このダクロメタル(金属亜鉛を3価のクロ
ム化合物で結合し形成した被膜)は、耐食性にすぐれて
いるが強度が弱いという性質を有している。However, this dacrometal (a coating formed by bonding metal zinc with a trivalent chromium compound) has a property of having excellent corrosion resistance but low strength.
従って、従来のように金具6,7表面に形成したダクロ
メタル層9をゴム層8との接着面全体に形成すると第2
図に示す如くダクロメタル層9自身の中間が破断しこの
部分から剥離するという不都合がある。Therefore, if the Dacro metal layer 9 formed on the surfaces of the metal fittings 6 and 7 is formed on the entire adhesive surface with the rubber layer 8 as in the conventional case, the second
As shown in the figure, there is an inconvenience that the middle part of the Dacro metal layer 9 itself is broken and peeled off from this part.
本考案は、これらの事情に鑑みてなされたもので、引張
力等によって強度の弱いダクロメタル層が中間で破断し
剥離することを防止できると共に、海水、水が支持部材
とゴム層との接合部へ侵入することを防止し、さらには
海水又は水がかかつても耐食性に優れている耐食性防振
支持部材を提供することを目的としている。The present invention has been developed in view of these circumstances, and is capable of preventing the Dacrometal layer, which has weak strength, from breaking and peeling in the middle due to tensile force, etc., and also prevents seawater and water from breaking at the joint between the support member and the rubber layer. It is an object of the present invention to provide a corrosion-resistant anti-vibration support member that prevents seawater or water from entering the structure and has excellent corrosion resistance even when exposed to seawater or water.
前記目的を達成するため本考案による耐食性防振支持部
材は、ボルトを互いに反対方向へ突出して相対向させた
一対の支持部材間にゴム層を設け、且つこのゴム層を支
持部材の外側面方向へ延設して該支持部材外側面も覆う
ようにすると共に、前記ボルト部によって結合する防振
支持部材において、前記一対の支持部材表面全体にダク
ロメタル層を形成してダクロメタル層を介して支持部材
をゴム層で覆う一方、この支持部材表面のうち引張力が
働く内側面の一部にダクロメタル層のない表面露出部を
形成し、該表面露出部を直接ゴム層に接着して構成され
ている。In order to achieve the above object, the corrosion-resistant anti-vibration support member according to the present invention includes a rubber layer provided between a pair of support members facing each other with bolts protruding in opposite directions, and a rubber layer extending in the direction of the outer surface of the support member. In the anti-vibration support member which is extended to cover the outer surface of the support member and is connected by the bolt portion, a Dacro metal layer is formed on the entire surface of the pair of support members, and the support member is attached to the support member through the Dacro metal layer. is covered with a rubber layer, while an exposed surface part without the dacrometal layer is formed on a part of the inner surface of the supporting member surface where tensile force acts, and the exposed surface part is directly adhered to the rubber layer. .
次に本考案の一実施例を第3図乃至第5図を参照して説
明する。Next, one embodiment of the present invention will be described with reference to FIGS. 3 to 5.
防振支持部材11は、ボルト12.13を互いに反対方
向へ突設して相対向させた一対の支持部材14.15間
に防振用のゴム層16を配設して一体成形されている。The anti-vibration support member 11 is integrally formed with a rubber layer 16 for anti-vibration provided between a pair of support members 14 and 15 facing each other with bolts 12 and 13 protruding in opposite directions. .
上記支持部材14.15はその表面にダクロメタル処理
が施されダクロメタル層17が形成されている。The surfaces of the supporting members 14 and 15 are treated with Dacro metal to form a Dacro metal layer 17.
そして、この支持部材14.15の表面中ゴム層16と
の接合面には、第3図に示すようなダグロメタル層17
を形成しない複数の表面露出部18.18・・・を設け
ている。Then, on the surface of the supporting member 14.15, which is in contact with the rubber layer 16, there is provided a double metal layer 17 as shown in FIG.
A plurality of surface exposed portions 18, 18, .
一方、ゴム層16は、支持部材14.15のボルト突設
面側に延出されて支持部材14.15のほぼ全外周を覆
っている。On the other hand, the rubber layer 16 extends toward the bolt protruding surface of the support member 14.15 and covers almost the entire outer periphery of the support member 14.15.
この支持部材14,15のボルト突設面に延出されたゴ
ム層は、ボルト突設部に向けて肉厚が薄くなるテーパー
状になっており、支持部材表面に密着して水密性を保持
し且つ支持部材14.15を各々内側方向へ押圧する押
圧片19.20を形成している。The rubber layer extending to the bolt protruding surfaces of the support members 14 and 15 has a tapered shape that becomes thinner toward the bolt protrusion, and adheres closely to the support member surface to maintain watertightness. Pressing pieces 19,20 are formed to press the supporting members 14,15 inwardly.
この押圧片19.20は放射状のリブを有している。This pressure piece 19,20 has radial ribs.
而かして、上記構成の耐食性防振支持部材11は、その
突設したボルト12.13を例えば船外機本体のエンジ
ンケース21とステアリングブラケット22に形成した
孔23.24に挿入してエンジンケース21にステアリ
ングブラケット22をナツトで取り付けると共に、一対
の支持部材14.15間のゴム層16によってエンジン
ケース21側のエンジン回転振動が船体側に伝達されな
いようにしているものである。The corrosion-resistant anti-vibration support member 11 having the above structure is connected to the engine by inserting the protruding bolts 12 and 13 into holes 23 and 24 formed in the engine case 21 and steering bracket 22 of the outboard motor body, for example. The steering bracket 22 is attached to the case 21 with a nut, and the rubber layer 16 between the pair of support members 14 and 15 prevents engine rotational vibrations on the engine case 21 side from being transmitted to the hull side.
尚、本考案防振支持部材は、上述の実施例において述べ
た船外機のみならず種々の機器に用いられる。The anti-vibration support member of the present invention can be used not only in the outboard motor described in the above-mentioned embodiments but also in various types of equipment.
以上説明したように本考案によれば、支持部材の表面全
体にダクロメタル層を形成しているので、海水又は水が
かつても耐食性に優れていると共に、前記支持部材表面
のうち内側面の一部にダクロメタル層のない表面露出部
が形成されて直接ゴム層に接着されているので、引張力
等によって前記ダクロメタル層が中間で破断し剥離する
ことを防止でき、さらに支持部材の全体がゴム層で覆わ
れているので、海水、水が支持部材とゴム層との接合面
へ侵入すことを防止でき、接合面の剥離を防止できる効
果がある。As explained above, according to the present invention, since the Dacrometal layer is formed on the entire surface of the support member, it has excellent corrosion resistance against seawater or water, and a part of the inner surface of the support member surface has excellent corrosion resistance. Since an exposed surface portion without a Dacro metal layer is formed on the support member and is directly bonded to the rubber layer, it is possible to prevent the Dacro metal layer from breaking and peeling in the middle due to tensile force, etc., and furthermore, the entire support member is made of a rubber layer. Since it is covered, it is possible to prevent seawater and water from entering the joint surface between the support member and the rubber layer, which has the effect of preventing peeling of the joint surface.
第1図は船外機のエンジンケースとステアリングブラケ
ットとの結合部を示す要部切欠側面図、第2図は防振支
持部材の従来例を示す断面図、第3図は本考案支持部材
の一実施例を示す断面図、第4図は第3図のA方向矢視
図、第5図は本考案支持部材とエンジンケース及びステ
アリングブラケットを示す分解斜視図である。
図中符号12.13はボルト、14.15は支持部材、
16はゴム層、17はダクロメタル層、18は支持部材
の接合面における支持部材露出部を示す。Fig. 1 is a cutaway side view of the main parts showing the joint between the engine case of the outboard motor and the steering bracket, Fig. 2 is a cross-sectional view showing a conventional example of the vibration-proof support member, and Fig. 3 is a cross-sectional view of the support member of the present invention. FIG. 4 is a cross-sectional view showing one embodiment, FIG. 4 is a view taken in the direction of arrow A in FIG. 3, and FIG. 5 is an exploded perspective view showing the support member of the present invention, an engine case, and a steering bracket. In the figure, 12.13 is a bolt, 14.15 is a support member,
Reference numeral 16 indicates a rubber layer, 17 indicates a dacrometal layer, and 18 indicates an exposed portion of the support member at the joint surface of the support member.
Claims (1)
支持部材間にゴム層を設け、且つこのゴム層を支持部材
の外側面方向へ延設して該支持部材外側面も覆うように
すると共に、前記ボルト部によって結合する防振支持部
材において、前記一対の支持部材表面全体にダクロメタ
ル層を形成してこのダクロメタル層を介して支持部材を
ゴム層で覆う一方、この支持部材表面のうち引張力が働
く内側面の一部にダクロメタル層のない表面露出部を形
成し、該表面露出部を直接ゴム層に接着したことを特徴
とする耐食性防振支持部材。A rubber layer is provided between a pair of supporting members facing each other with bolts protruding in opposite directions, and this rubber layer is provided to extend toward the outer surface of the supporting member so as to cover the outer surface of the supporting member. At the same time, in the anti-vibration support member connected by the bolt portion, a Dacro metal layer is formed on the entire surface of the pair of support members, and the support member is covered with a rubber layer via the Dacro metal layer, while a part of the surface of the support member is covered with a rubber layer. A corrosion-resistant anti-vibration support member, characterized in that an exposed surface portion without a dacrometal layer is formed on a part of the inner surface on which tensile force is applied, and the exposed surface portion is directly adhered to a rubber layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10697879U JPS6011305Y2 (en) | 1979-08-01 | 1979-08-01 | Corrosion-resistant anti-vibration support member |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10697879U JPS6011305Y2 (en) | 1979-08-01 | 1979-08-01 | Corrosion-resistant anti-vibration support member |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5623737U JPS5623737U (en) | 1981-03-03 |
JPS6011305Y2 true JPS6011305Y2 (en) | 1985-04-15 |
Family
ID=29339606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10697879U Expired JPS6011305Y2 (en) | 1979-08-01 | 1979-08-01 | Corrosion-resistant anti-vibration support member |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6011305Y2 (en) |
-
1979
- 1979-08-01 JP JP10697879U patent/JPS6011305Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5623737U (en) | 1981-03-03 |
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