JPS62129386U

JPS62129386U -

Info

Publication number: JPS62129386U
Application number: JP1795286U
Authority: JP
Priority date: 1986-02-10
Filing date: 1986-02-10
Publication date: 1987-08-15

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を適用した自転車フ
レームの構成図、第２図および第３図は接合手順
を示す要部断面図、第４図は本考案を適用した前
ホークの構成図、第５図は本考案の他の実施例を
適用した自転車フレームの構成図、第６図および
第７図は接合手順を示す要部断面図、第８図、第
９図および第１０図はヘツド継手の従来例の構成
図である。１０ｄ，１０ｅ，１８ａ……突起部、１２，１
４……パイプ、１２ａ，１４ａ……パイプ端面、
１６……接続用中子、１６ａ……中央部、１６ｂ
……継手側接続部、１６ｃ……パイプ側接続部、
１６ｄ……継手側フランジ面、１６ｅ……フラン
ジ面。 Figure 1 is a configuration diagram of a bicycle frame to which an embodiment of the present invention is applied, Figures 2 and 3 are sectional views of main parts showing the joining procedure, and Figure 4 is a configuration diagram of a front fork to which the present invention is applied. , FIG. 5 is a configuration diagram of a bicycle frame to which another embodiment of the present invention is applied, FIGS. 6 and 7 are sectional views of main parts showing the joining procedure, and FIGS. 8, 9, and 10 are FIG. 2 is a configuration diagram of a conventional example of a head joint. 10d, 10e, 18a... protrusion, 12, 1
4... Pipe, 12a, 14a... Pipe end surface,
16... Connecting core, 16a... Center part, 16b
...Joint side connection part, 16c...Pipe side connection part,
16d... joint side flange surface, 16e... flange surface.

補正昭６２．２．１３考案の名称を次のように補正する。考案の名称自転車フレームに用いる接続用
中子実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment February 13, 1982 The name of the invention is amended as follows. Title of the invention Connection core used in bicycle frames The scope of the claims for utility model registration and the brief description of the drawings are amended as follows.

【実用新案登録請求の範囲】 (1) 継手の突起部１０ｄ，１０ｅ，１８ａと自
転車フレームを構成するパイプ１２，１４とを接
続する接続用中子１６であつて、一端にはパイプ
端部に接続固定されるパイプ側接続部１６ｃを有
し、このパイプ側接続部１６ｃの基端部には前記
パイプ端面１２ａ，１４ａが接合するフランジ面
１６ｅを介して中央部１６ａが拡径して形成され
、この中央部１６ａからは前記突起部１０ｄ，１
０ｅ，１８ａに接続固定される継手側接続部１６
ｂが設けられていることを特徴とする自転車フレ
ームに用いる接続用中子。 (2) 前記中央部１６ａと継手側接続部１６ｂの
外径が同一である実用新案登録請求の範囲第１項
記載の接続用中子。 (3) 前記中央部１６ａから継手側フランジ面１
６ｄを介して縮径状に継手側接続部１６ｂが設け
られている実用新案登録請求の範囲第１項記載の
接続用中子。[Claims for Utility Model Registration] (1) A connecting core 16 that connects the protrusions 10d, 10e, 18a of the joint and the pipes 12, 14 constituting the bicycle frame, one end of which is connected to the pipe end. It has a pipe-side connecting part 16c that is connected and fixed, and a central part 16a is formed with an expanded diameter at the base end of the pipe-side connecting part 16c via a flange surface 16e to which the pipe end surfaces 12a and 14a are joined. , from this central portion 16a are the protrusions 10d, 1
Joint side connection part 16 connected and fixed to 0e, 18a
A connecting core used for a bicycle frame, characterized in that it is provided with a. (2) The connecting core according to claim 1, wherein the central portion 16a and the joint-side connecting portion 16b have the same outer diameter. (3) From the central portion 16a to the joint side flange surface 1
The connecting core according to claim 1, wherein a joint-side connecting portion 16b is provided in a diameter-reduced shape via 6d.

【図面の簡単な説明】第１図は本考案の一実施例を適用した自転車フ
レームの構成図、第２図および第３図は接合手順
を示す要部断面図、第４図は本考案を適用した前
ホークの構成図、第５図は本考案の他の実施例を
適用した自転車フレームの構成図、第６図および
第７図は接合手順を示す要部断面図、第８図、第
９図および第１０図はヘツド継手の従来例の構成
図である。１０ｄ，１０ｅ，１８ａ……突起部、１２，１
４……パイプ、１２ａ，１４ａ……パイプ端面、
１６……接続用中子、１６ａ……中央部、１６ｂ
……継手側接続部、１６ｃ……パイプ側接続部、
１６ｄ……継手側フランジ面、１６ｅ……フラン
ジ面。[Brief Description of the Drawings] Figure 1 is a configuration diagram of a bicycle frame to which an embodiment of the present invention is applied, Figures 2 and 3 are sectional views of essential parts showing the joining procedure, and Figure 4 is a diagram of a bicycle frame to which an embodiment of the present invention is applied. FIG. 5 is a configuration diagram of a bicycle frame to which another embodiment of the present invention is applied; FIGS. 6 and 7 are sectional views of main parts showing the joining procedure; FIGS. 9 and 10 are configuration diagrams of conventional examples of head joints. 10d, 10e, 18a... protrusion, 12, 1
4... Pipe, 12a, 14a... Pipe end surface,
16... Connecting core, 16a... Center part, 16b
...Joint side connection part, 16c...Pipe side connection part,
16d... joint side flange surface, 16e... flange surface.

Claims

[Claims for Utility Model Registration] (1) A connecting core 16 that connects the protrusions 10d, 10e, 18a of the joint and the pipes 12, 14 constituting the bicycle frame, one end of which is connected to the pipe end. It has a pipe-side connecting portion 16c that is fitted and fixed, and a central portion 16a is formed with an expanded diameter at the base end of the pipe-side connecting portion 16c via a flange surface 16e to which the pipe end surfaces 12a and 14a are joined. The projections 10d, 1 are formed from the central portion 16a.
Joint side connection part 16 that is internally fixed to 0e and 18a
A connecting core used for a bicycle frame, characterized in that it is provided with a. (2) The connecting core according to claim 1, wherein the central portion 16a and the joint-side connecting portion 16b have the same outer diameter. (3) From the central portion 16a to the joint side flange surface 1
The connecting core according to claim 1, in which a joint side connecting portion 16b is provided in a diameter-reduced shape via 6d.