JPS6277319U

JPS6277319U -

Info

Publication number: JPS6277319U
Application number: JP16746185U
Authority: JP
Priority date: 1985-11-01
Filing date: 1985-11-01
Publication date: 1987-05-18

Description

[Brief explanation of the drawing]

第１図〜第５図はこの考案の一実施例に係わり
、第１図はコネクテイングロツドの正面図、第２
図は大端部におけるコネクテイングロツド本体と
キヤツプとの締結具による締結前の断面図、第３
図は同締結後の断面図、第４図は同締結後の残留
応力分布を示す説明図、第５図はエンジン回転時
の慣性力による応力と第４図の残留応力との合成
応力分布を示す説明図、第７図は従来例によるコ
ネクテイングロツド本体とキヤツプとの締結具に
よる締結後の残留応力分布を示す説明図、第８図
〜第１０図はエンジン回転時の慣性力による応力
分布の説明図で、第８図は引張成分のみを示し、
第９図は曲げ成分のみを示し、第１０図は引張成
分と曲げ成分との合成応力分布をそれぞれ示す説
明図、第１１図は従来のエンジン回転時の慣性力
による応力と残留応力との合成応力分布を示す説
明図である。３…大端部、５…コネクテイングロツド本体、
５ａ…突き合わせ面、９…キヤツプ、９ａ…突き
合わせ面、１５…ボルト（締結具）、１７…ナツ
ト（締結具）、１９…隙間。 Figures 1 to 5 relate to one embodiment of this invention, with Figure 1 being a front view of the connecting rod and Figure 2 being a front view of the connecting rod.
The figure is a cross-sectional view of the connecting rod main body and the cap at the large end before they are fastened together with the fastener.
The figure is a cross-sectional view after the same connection, Figure 4 is an explanatory diagram showing the residual stress distribution after the same connection, and Figure 5 is the composite stress distribution of the stress due to inertial force during engine rotation and the residual stress in Figure 4. 7 is an explanatory diagram showing the residual stress distribution after the connecting rod main body and the cap are fastened by the fastener according to the conventional example, and FIGS. 8 to 10 are the stress due to inertial force during engine rotation. In the explanatory diagram of the distribution, Figure 8 shows only the tensile component,
Figure 9 shows only the bending component, Figure 10 is an explanatory diagram showing the composite stress distribution of the tensile component and the bending component, respectively, and Figure 11 is the composite of stress due to inertia force and residual stress during conventional engine rotation. It is an explanatory view showing stress distribution. 3... Big end, 5... Connecting rod body,
5a...Abutting surface, 9...Cap, 9a...Abutting surface, 15...Bolt (fastener), 17...Nut (fastener), 19...Gap.

補正昭６１．１．３１図面の簡単な説明を次のように補正する。明細書、第１０頁、第４行目に、「…を示す説
明図、第７図は…」とあるのを、「…を示す説明
図、第６図は他の実施例の第３図に相当する断面
図、第７図は…」と補正する。Amendment January 31, 1981 The brief description of the drawing is amended as follows. In the specification, page 10, line 4, the phrase "Explanatory diagram showing..., Figure 7 is..." was replaced with "Explanatory diagram showing..., Figure 6 is the third diagram of another embodiment. The cross-sectional view corresponding to FIG. 7 is corrected as "...".

Claims

[Scope of utility model registration request]

In an engine connecting rod in which the large end of the connecting rod is constituted by a connecting rod main body and a cap, and the two are assembled by butt fasteners, the connection between the connecting rod main body and the cap is An engine connecting rod characterized in that a minute gap is provided between the abutting surfaces of the two parts that gradually widens outward when they are butted together before being fastened.