JPH01171765A - Ball joint - Google Patents
Ball jointInfo
- Publication number
- JPH01171765A JPH01171765A JP33135787A JP33135787A JPH01171765A JP H01171765 A JPH01171765 A JP H01171765A JP 33135787 A JP33135787 A JP 33135787A JP 33135787 A JP33135787 A JP 33135787A JP H01171765 A JPH01171765 A JP H01171765A
- Authority
- JP
- Japan
- Prior art keywords
- socket
- ball joint
- aluminum
- shot peening
- strength
- 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.)
- Pending
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 19
- 238000005480 shot peening Methods 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 230000003068 static effect Effects 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000019997 soju Nutrition 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Pivots And Pivotal Connections (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は自動車等車両に用いられるボールジヨイントに
係り、更に詳しくはアルミニウム製ソケットを有するホ
ールジヨイントに関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a ball joint used in vehicles such as automobiles, and more particularly to a hole joint having an aluminum socket.
従来の技術
従来ボールスタッドを収容するソケ・シトをアルミニウ
ムで形成して、軽量化を計ったボールジヨイントとして
は特開昭６１−９９７１５号などがある。BACKGROUND OF THE INVENTION A conventional ball joint in which the socket and seat for accommodating the ball stud are made of aluminum to reduce weight is disclosed in Japanese Patent Application Laid-Open No. 61-99715.
発明が解決しようとする問題点
第２図においてボールジヨイント１０１は、アルミニウ
ム製ソケット１０６の一端小間口１０７からボールスタ
ッド１０２の軸部１０３を突出し、他端大開口１０９に
閉止板１１０を圧入し、ソケット１０６の大開口１０９
端部をかしめ加工して、閉止板１１０を固定することに
より、ボールスタッド１０２の揺動運動機能を保ってい
る。Problems to be Solved by the Invention In FIG. 2, a ball joint 101 has a shaft portion 103 of a ball stud 102 protruding from a small opening 107 at one end of an aluminum socket 106, and a closing plate 110 press-fitted into a large opening 109 at the other end. , large opening 109 of socket 106
By caulking the ends and fixing the closing plate 110, the swinging function of the ball stud 102 is maintained.
ここで上述の如きアルミニウム製ソケット１０６では、
スチール製ソケットに比べ静的耐荷重の限界点が低いた
め、ボールスタッド１０２がソケット１０６から抜は易
く、動力の伝達能力が失われる恐れがある。よって静的
耐荷重の限界点をスチール製ソケットを有するボールジ
ヨイントに近づけるため、スチール製ソケットの場合に
比ベソケットの厚みを極端に増さなければならない。Here, in the aluminum socket 106 as described above,
Since the limit point of static load capacity is lower than that of a steel socket, the ball stud 102 is easily removed from the socket 106, and there is a risk that the power transmission ability will be lost. Therefore, in order to bring the limit point of static load capacity closer to that of a ball joint with a steel socket, the thickness of the socket must be significantly increased compared to the case of a steel socket.
しかしソケットの厚みを増すとボールジヨイント１０１
自体が大きくなり、スペースのない所では使用できない
という問題があった。However, if the thickness of the socket is increased, the ball joint 101
There was a problem that the device itself was large and could not be used in places where there was limited space.
従って、スチール製ソケットと同等の厚みで、静的耐荷
重の限界点も同等であるアルミニウム製ソケットの発明
が期待されていた。Therefore, it was hoped that an aluminum socket would be invented that has the same thickness and static load capacity as steel sockets.
問題点を解決するための手段
アルミニウム製ソケットの表面にショットピーニングを
施す。Measures to solve the problem Shot peening is applied to the surface of the aluminum socket.
作 用
アルミニウム製ソケットの表面にショットピーニングを
施すことにより、ソケット表面が硬化し強度を高めるこ
とができる。Function By applying shot peening to the surface of an aluminum socket, the socket surface can be hardened and its strength can be increased.
実 施 例
以下本発明の実施例のその構成を図面によって説明する
。Embodiments Hereinafter, the configuration of embodiments of the present invention will be explained with reference to the drawings.
第１図はボールジヨイント１を表わすもので、図におい
て２はポールスタッドで、軸部３と球状頭部４とより成
る。FIG. 1 shows a ball joint 1, in which numeral 2 denotes a pole stud, which consists of a shaft portion 3 and a spherical head portion 4.
５は合成樹脂製のベアリングで、球状頭部４を揺動自在
に包持する。６はポールスタッド２を収容する筒状穴８
を有する略円筒状のアルミニウム製ソケットで、その一
端小間口７からポールスタッド２の軸部３を突出し、他
端大開口９は閉止板１０により塞がれ、ソケット６の大
開口９端部をかしめ加工することにより、ソケット６に
固定されている。Reference numeral 5 denotes a synthetic resin bearing, which swingably supports the spherical head 4. 6 is a cylindrical hole 8 that accommodates the pole stud 2
The shaft portion 3 of the pole stud 2 protrudes from the small opening 7 at one end, and the large opening 9 at the other end is closed by a closing plate 10. It is fixed to the socket 6 by caulking.
次に上記ボールジヨイント１の組立てについて説明する
。Next, the assembly of the ball joint 1 will be explained.
組立てにあたり予め成形しておいたアルミニウム製のソ
ケット６の表面１２全体にショットピーニングを施す。During assembly, shot peening is applied to the entire surface 12 of the preformed aluminum socket 6.
組立てはまずショットピーニングを施したソケット６内
に、ベアリング５で囲繞したポールスタッド２の球状頭
部４を挿入する。続いて閉止板１０をソケット６の大開
口９より圧入し、ベアリング５を軸線方向に押圧した状
態でソケット６の大開口９端部をかしめ加工して固定す
る。For assembly, first, the spherical head 4 of the pole stud 2 surrounded by the bearing 5 is inserted into the socket 6 which has been subjected to shot peening. Subsequently, the closing plate 10 is press-fitted into the large opening 9 of the socket 6, and while the bearing 5 is pressed in the axial direction, the end of the large opening 9 of the socket 6 is caulked and fixed.
以上のようにショットピーニングを施したアルミニウム
製ソケット６を有するボールジヨイント１は、従来のア
ルミニウム製ソケットを有するボールジヨイントよりソ
ケット６の表面１２が硬化しているため、強度は高く、
静的耐荷重の限界点も高くなる。As described above, the ball joint 1 having the shot-peened aluminum socket 6 has a harder surface 12 of the socket 6 than the conventional ball joint having an aluminum socket, so it has higher strength.
The limit point of static load capacity also becomes higher.
またアルミニウム製の連接棒と結合して使用すると、ス
チール製ソケットを有するボールジヨイントと結合した
場合に生じる電蝕が発生することもな（、また軽量なボ
ールジヨイント１を含むアーム構成ができる。In addition, when used in combination with an aluminum connecting rod, the electrolytic corrosion that occurs when combined with a ball joint with a steel socket does not occur (also, an arm configuration including a lightweight ball joint 1 is possible). .
上記実施例においては、ショットピーニングを表面全体
に施したが、ソケット６の外周面全体、又は荷重が特に
加わる小開口部１１や大開口９端部など部分的に施して
も良い。In the above embodiment, shot peening was applied to the entire surface, but shot peening may be applied to the entire outer circumferential surface of the socket 6 or to parts such as the ends of the small opening 11 and the large opening 9 where the load is particularly applied.
また、閉止板はアルミニウムと電蝕を起さない、アルミ
ニウム材や表面処理を施した部材などを使用する。In addition, the closing plate is made of an aluminum material or a surface-treated member that does not cause electrolytic corrosion with aluminum.
効 果
以上のように本発明によれば、アルミニウム製ソケット
の表面にショットピーニングを施すことにより、ソケッ
トの表面が硬化し、強度を高めることができるので、ス
チール製ソケットと同等の厚みで、静的耐荷重の限界点
も同等であるアルミニウム製ソケットを有するボールジ
ヨイントを形成できる。Effects As described above, according to the present invention, by subjecting the surface of the aluminum socket to shot peening, the surface of the socket is hardened and its strength can be increased. It is possible to form a ball joint with an aluminum socket that has the same physical load capacity.
第一図は本発明の実施例を表わすもので、表面にショッ
トピーニングを施したソケットを有するボールジヨイン
トの断面平面図である。第２図は従来のボールジヨイン
トを表わす断面平面図。
（記号の説明）
６・曽壽ソケット。 １２−・Φ表面。FIG. 1 shows an embodiment of the present invention, and is a cross-sectional plan view of a ball joint having a socket whose surface is shot-peened. FIG. 2 is a cross-sectional plan view showing a conventional ball joint. (Explanation of symbols) 6. Soju socket. 12-・Φ surface.
Claims (1)
ソケット６を有することを特徴とするボールジョイント
。A ball joint characterized by having an aluminum socket 6 whose surface 12 is shot peened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33135787A JPH01171765A (en) | 1987-12-25 | 1987-12-25 | Ball joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33135787A JPH01171765A (en) | 1987-12-25 | 1987-12-25 | Ball joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01171765A true JPH01171765A (en) | 1989-07-06 |
Family
ID=18242777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33135787A Pending JPH01171765A (en) | 1987-12-25 | 1987-12-25 | Ball joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171765A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04256577A (en) * | 1991-02-08 | 1992-09-11 | Toyo Seiko Kk | Prevention of delayed fracture for static load bolt |
| JPH05337831A (en) * | 1992-06-05 | 1993-12-21 | Nissan Motor Co Ltd | Shot peening method for aluminum connecting rod |
| JP2009002428A (en) * | 2007-06-21 | 2009-01-08 | Somic Ishikawa Inc | Ball joint and its manufacturing method |
-
1987
- 1987-12-25 JP JP33135787A patent/JPH01171765A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04256577A (en) * | 1991-02-08 | 1992-09-11 | Toyo Seiko Kk | Prevention of delayed fracture for static load bolt |
| JPH05337831A (en) * | 1992-06-05 | 1993-12-21 | Nissan Motor Co Ltd | Shot peening method for aluminum connecting rod |
| JP2009002428A (en) * | 2007-06-21 | 2009-01-08 | Somic Ishikawa Inc | Ball joint and its manufacturing method |
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