JPH01293203A - End joining in ring-state rim material - Google Patents
End joining in ring-state rim materialInfo
- Publication number
- JPH01293203A JPH01293203A JP12114588A JP12114588A JPH01293203A JP H01293203 A JPH01293203 A JP H01293203A JP 12114588 A JP12114588 A JP 12114588A JP 12114588 A JP12114588 A JP 12114588A JP H01293203 A JPH01293203 A JP H01293203A
- Authority
- JP
- Japan
- Prior art keywords
- large diameter
- joining
- connecting pin
- parts
- rim material
- 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
- 239000000463 material Substances 0.000 title claims abstract description 25
- 238000005304 joining Methods 0.000 title claims abstract description 20
- 238000003780 insertion Methods 0.000 claims abstract description 29
- 230000037431 insertion Effects 0.000 claims abstract description 29
- 239000012790 adhesive layer Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract 4
- 238000010168 coupling process Methods 0.000 abstract 4
- 238000005859 coupling reaction Methods 0.000 abstract 4
- 229910018571 Al—Zn—Mg Inorganic materials 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910009369 Zn Mg Inorganic materials 0.000 description 2
- 229910007573 Zn-Mg Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明は自転車用リムあるいはオートバイ用リムとし
て用いられる環状リム材における端部接合方法に関する
。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method for joining ends of an annular rim material used as a bicycle rim or a motorcycle rim.
従来の技術
従来、この種の環状リム材における端部の接合方法とし
て、端部どおしを突き合せ状態にしてこれらをフラッシ
ュパッド溶接により接合−体化する方法、あるいは端部
の対向端面に連結ピン嵌入孔を形成し、該嵌入孔に連結
ピンを圧入嵌合せしめることにより連結固定する方法等
が採用されている。Conventional technology Conventionally, as a method of joining the ends of this type of annular rim material, the ends were brought into a butt state and then joined together by flash pad welding, or the opposite end surfaces of the ends were joined together by flash pad welding. A method of connecting and fixing is adopted by forming a connecting pin insertion hole and press-fitting the connecting pin into the insertion hole.
発明が解決しようとする課題
しかしながら、フラッシュパッド溶接による場合、リム
としての使用時に外観される内周面側を含む接合部全周
にいわゆるパリができるため、これを除去すべく全周に
亘ってパフ研磨しなければならず、仕上げ処理作業が面
倒であるという難があった。Problem to be Solved by the Invention However, when using flash pad welding, so-called burr is formed around the entire circumference of the joint including the inner peripheral surface side that is visible when used as a rim. Puff polishing is required, and the finishing process is troublesome.
一方、連結ピンを用いて連結固定する方法による場合、
充分な連結強度を保持せしめるためにはピンの端部を対
応する嵌入孔にそれぞれ圧入状態に嵌合しなければなら
ないが、その正大作業が面倒であり、また使用中にガタ
付きが生じ易いものであった。特に嵌入孔をリム材の押
出成形時に形成した場合のように嵌入孔の長さがピンの
長さより長いような場合には、圧入作業時にピンがいず
れか一方の対向端部側にずれた状態で嵌入されてしまう
などその作業が厄介であるばかりでなく、経時的なガタ
付きに伴い、ピンがいずれか一方の対向端部側にずれ動
き、遂には接合部が外れてしまうというおそれを有する
ものであった。On the other hand, when using a method of connecting and fixing using a connecting pin,
In order to maintain sufficient connection strength, the ends of the pins must be press-fitted into the corresponding fitting holes, but this work is troublesome, and the pins tend to rattle during use. Met. In particular, if the length of the insertion hole is longer than the length of the pin, such as when the insertion hole is formed during extrusion molding of the rim material, the pin may shift to one of the opposing ends during the press-fitting process. Not only is this work cumbersome as the pin may become stuck in place, but there is also the risk that as the pin becomes loose over time, the pin may shift toward one of the opposing ends and the joint may eventually come off. It was something.
この発明は、上記のような問題点に鑑み、接合作業を容
易に行うことができると共に、リムとして使用した場合
に外観される内周面側にパリを生ずることなく外観体裁
を良好なものとなしえ、しかも使用中にガタ付きが生じ
るようなことのない強固な接合強度が得られる環状リム
材における端部接合方法を提供するものである。In view of the above-mentioned problems, this invention makes it possible to perform the joining work easily, and also provides a good external appearance without causing any cracks on the inner circumferential surface that appears when used as a rim. To provide a method for joining an end portion of an annular rim material, which can achieve a strong joining strength that does not cause rattling during use.
課題を解決するための手段
而して、この発明に係る環状リム材における端部接合方
法は、環状に曲成したリム材の対向端部どおしを接合す
るに際し、該端部の対向端面に連結ピン嵌入孔を形成し
、これら嵌入孔に連結ピンの各対応端部を圧入嵌合せし
める接合方法において、
前記連結ピンの中間部に径大膨出部を形成する一方、前
記嵌入孔の各開口端に上記径大膨出部に対応する径大開
口部をそれぞれ形成し、前記各嵌入孔に前記連結ピンの
各対応端部を圧入嵌合せしめると共に、前記径大開口部
内に接着剤層を介して前記径大膨出部を接着一体化せし
めることを特徴とするものである。As a means for solving the problem, the method for joining the ends of an annular rim material according to the present invention is such that when joining opposing ends of an annularly curved rim material, the opposing end faces of the ends are joined together. In a joining method in which connecting pin insertion holes are formed in the insertion holes, and respective corresponding ends of the connection pins are press-fitted into these insertion holes, a large diameter bulge is formed in the middle part of the connection pin, while a large diameter bulge is formed in the intermediate part of the connection pin, A large-diameter opening corresponding to the large-diameter bulge is formed at each opening end, each corresponding end of the connecting pin is press-fitted into each of the fitting holes, and an adhesive is applied inside the large-diameter opening. It is characterized in that the large-diameter bulging portion is bonded and integrated through a layer.
この発明に用いられるリム材の合金としては、特に限定
されるものではないが、例えばＡΩ−Ｍｇ−８ｉ系、Ａ
、Ｑ−Ｚｎ−Ｍｇ系等のアルミニウム合金、なかでもｉ
−ＺローＭｇ系合金が強度の向上、軽量化を図りうる点
で有利であることから好適に採用されうるちのである。The alloy of the rim material used in this invention is not particularly limited, but for example, AΩ-Mg-8i, A
, Q-Zn-Mg-based aluminum alloys, especially i
-Z low Mg alloy is advantageous in that it can improve strength and reduce weight, so it can be suitably employed.
上記リム材は、製造コストや品質の面から、上記アルミ
ニウム合金鋳塊を均質化処理し、リムの断面形状に押出
加工することにより好適に製造されうる。From the viewpoint of manufacturing cost and quality, the rim material can be suitably manufactured by homogenizing the aluminum alloy ingot and extruding it into the cross-sectional shape of the rim.
そして、上記リム材を環状に曲げ加工し、その両端部ど
おしを接合するに際して環状リム材の対向端面に連結ピ
ン嵌入孔を形成し、これら嵌入孔に連結ピンの各対応端
部を圧入状態に嵌入するものであるが、この発明におい
ては、上記連結ピンの中間部に径大膨出部を形成すると
共に、これに対応する径大開口部を各嵌入孔の開口端に
形成するものとする。Then, the above-mentioned rim material is bent into an annular shape, and when joining the two ends thereof, connecting pin insertion holes are formed on the opposite end surfaces of the annular rim material, and each corresponding end of the connecting pin is press-fitted into these insertion holes. In this invention, a large diameter bulge is formed in the middle part of the connecting pin, and a corresponding large diameter opening is formed at the opening end of each insertion hole. shall be.
上記径大膨出部は、連結ピンを嵌入孔に圧入嵌合せしめ
る際に、連結ピンがリム材の対向端部のいずれか一方に
偏在して嵌入されるのを防止するように作用するもので
あり、また連結状態において径大開口部内に接着剤層を
介して接着一体化せしめることによって、連結ピンめ嵌
入孔に対する圧入嵌合と相俟って経時的なガタ付きの発
生を防止し、かつ連結ピンのずれ動きを規制するように
作用するものである。従って、上記径大膨出部の大きさ
、形状は上記作用効果を奏し得るものであれば特に限定
されるものではない。The large-diameter bulging portion acts to prevent the connecting pin from being unevenly located at one of the opposite ends of the rim material when the connecting pin is press-fitted into the insertion hole. In addition, by bonding and integrating the large-diameter opening through an adhesive layer in the connected state, together with the press-fitting into the connecting pin fitting hole, the occurrence of wobbling over time is prevented, It also acts to restrict the displacement of the connecting pin. Therefore, the size and shape of the large diameter bulge are not particularly limited as long as they can achieve the above effects.
そして、前記連結ピンの各端部を上記リム材の対向する
連結ピン嵌入孔にそれぞれ圧入嵌合せしめると共に、前
記径大開口部内に接着剤層を介して前記径大膨出部を接
着一体化せしめるものとする。上記圧入嵌合手段として
は強制嵌入、冷やしばめ等の任意の手段を採用しうる。Then, each end of the connecting pin is press-fitted into the opposing connecting pin insertion hole of the rim material, and the large-diameter bulge is bonded and integrated into the large-diameter opening via an adhesive layer. shall be encouraged. As the press fitting means, any means such as forced fitting, cold fitting, etc. can be adopted.
なお、連結強度のより一層の増強を図るために、前記嵌
入孔の内周面または連結ピンの外周面のいずれか一方ま
たは両方に１または複数の突起を形成し、該突起を圧潰
せしめつつ連結ピンを嵌入孔に強制嵌入せしめるように
しても良い。In addition, in order to further increase the connection strength, one or more protrusions are formed on either or both of the inner circumferential surface of the insertion hole or the outer circumferential surface of the connecting pin, and the connection is made while crushing the protrusions. The pin may be forced into the insertion hole.
実施例 以下、この発明の詳細な説明する。Example The present invention will be described in detail below.
第１図ないし第３図において、（１）はリム材であり、
ＡΩ−Ｚｎ−Ｍｇ系合金鋳塊を均質化処理し、第１図に
示すように、端部（ｌａ）（１ｂ）に左右一対の連結ピ
ン嵌入孔（２ａ）・（２ｂ）を有する所要断面形状に押
出加工したものを用いた。一方、連結ピン（３）として
、中間部に径大膨出部（３ｃ）を有すると共に、該膨出
Ｎ（３ｃ）を除く直軸部（３ａ） （３ｂ）の外周面
に軸線方向に沿い、頂部を結ぶ外径が前記嵌入孔（２ａ
） （２ｂ）の内径より若干径大に設定された多数条
の突起（４）を有するものを用意した。In Figures 1 to 3, (1) is the rim material;
An AΩ-Zn-Mg alloy ingot is homogenized and, as shown in Fig. 1, the required cross section has a pair of left and right connecting pin insertion holes (2a) and (2b) at the ends (la) and (1b). A material extruded into a shape was used. On the other hand, the connecting pin (3) has a large diameter bulge (3c) in the middle part, and extends along the outer peripheral surface of the straight shaft part (3a) (3b) excluding the bulge N (3c) in the axial direction. , the outer diameter connecting the tops is the insertion hole (2a
) A product having multiple protrusions (4) whose diameter was slightly larger than the inner diameter of (2b) was prepared.
そして、前記連結ピン嵌入孔（２ａ） （２ｂ）の各
開口端に、これらを突き合わせた状態において前記径大
膨出部（３ｃ）に対応する径大開口部（５）（６）をそ
れぞれ形成すると共に、リム材（１）をＯ材に調質した
後、環状のリムの形状に曲成した。そして上記径大開口
部（５）（６）の内周面に接着剤を塗布した後、一方の
連結ピン嵌入孔（２ａ）に連結ピン（３）の一端部（３
ａ）を前記突起（４）を圧潰せしめながら強制嵌入せし
めると共に、他方の連結ピン嵌入孔（２ｂ）に上記連結
ピン（３）の他端部（３ｂ）を同様に強制嵌入せしめた
。尚、第３図において、（４ａ）は突起（４）が圧潰さ
れた部分、（７）は接着剤層を示す。Large-diameter openings (5) and (6) corresponding to the large-diameter bulge (3c) are then formed at each opening end of the connecting pin insertion holes (2a) and (2b) in a state where they are butted together. At the same time, the rim material (1) was tempered to O material and then bent into the shape of an annular rim. After applying adhesive to the inner peripheral surfaces of the large diameter openings (5) and (6), one end (3) of the connecting pin (3) is inserted into one connecting pin insertion hole (2a).
a) was forcibly fitted while crushing the protrusion (4), and the other end (3b) of the connecting pin (3) was similarly forcefully fitted into the other connecting pin fitting hole (2b). In FIG. 3, (4a) shows the portion where the protrusion (4) is crushed, and (7) shows the adhesive layer.
発明の効果
この発明は上述のように、環状に曲成したリム材の対向
端部を接合するに際し、該端部の対向端面に連結ピン嵌
入孔を形成し、これら嵌入孔に連結ピンの対応端部を圧
入嵌合するものであるから、対向端面どおしを溶接固定
するフラッシュパッド溶接による場合のようにリムとし
ての使用時に外観される内周面側を含む接合部全周に亘
っていわゆるパリができることがなく、外観体裁の悪化
を招ごともない。しかも上記パリを除去するための全周
に亘るバフ研磨等の仕上げ処理作業を不要としうる。Effects of the Invention As described above, when joining opposite ends of an annularly curved rim material, connecting pin insertion holes are formed on the opposite end surfaces of the ends, and the connecting pins are inserted into these insertion holes. Since the ends are press-fitted, the entire circumference of the joint, including the inner circumferential side that is visible when used as a rim, such as when flush pad welding is used to weld and fix the opposite end surfaces. There will be no so-called "Paris" formations, and there will be no deterioration in appearance. Moreover, finishing work such as buffing over the entire circumference for removing the above particles can be eliminated.
また、前記連結ピンの中間部に径大膨出部を形成する一
方、前記嵌入孔の各開口端に上記径大膨出部に対応する
径大開口部をそれぞれ形成し、前記各嵌入孔に前記連結
ピンの各対応端部を圧入嵌合せしめると共に、前記径大
開口部内に接着剤層を介して前記径大膨出部を接着一体
化せしめるものであるから、特に嵌入孔をリム材の押出
成形時に形成した場合のように嵌入孔の長さがピンの長
さより長いような場合に、圧入嵌合作業時に連結ピンが
いずれか一方の対向端部側にずれた状態で嵌入されてし
まう不都合を回避し得、その作業を極めて容易に行い得
る。Further, a large diameter bulge is formed in the intermediate portion of the connecting pin, and a large diameter opening corresponding to the large diameter bulge is formed at each opening end of the fitting hole, and each of the fitting holes is formed with a large diameter opening corresponding to the large diameter bulge. Since each corresponding end of the connecting pin is press-fitted and the large-diameter bulge is integrally bonded into the large-diameter opening via an adhesive layer, it is particularly important to make the insertion hole into the rim material. If the length of the insertion hole is longer than the length of the pin, such as when it is formed during extrusion molding, the connecting pin will be inserted in a state shifted toward one of the opposing ends during press-fitting work. Inconveniences can be avoided and the work can be done very easily.
また、接合状態において前記径大開口部内に径大膨出部
が接着剤層を介して接着一体化されるので、連結ピンの
嵌入孔に対する圧入嵌合と相俟って、経時的なガタ付き
の発生を防止し、かつピンの嵌入孔内でのずれ動きを確
実に阻止しうる。従って、連結ピンがいずれか一方の対
向端部側にずれ動いて遂には接合部が外れてしまうとい
うような不都合を確実に回避することができる。In addition, since the large-diameter bulge is integrated with the large-diameter opening through the adhesive layer in the joined state, this also prevents looseness over time due to the press-fitting of the connecting pin into the insertion hole. It is possible to prevent this from occurring and to reliably prevent the pin from shifting within the insertion hole. Therefore, it is possible to reliably avoid the inconvenience of the connecting pin shifting toward one of the opposing ends and eventually causing the joint to come off.
このように本発明によれば、連結ピンを用いる従来法と
同様の接合方法によるものでありながら、経時的なガタ
付きの発生を未然に防止し得、より一層耐久性の向上さ
れたリムを提供することができる。As described above, according to the present invention, although the joining method is similar to the conventional method using connecting pins, it is possible to prevent rattling over time and create a rim with further improved durability. can be provided.
図面はこの発明の実施例を示すものであり、第１図は連
結ピンの嵌合途上を示す接合部付近の斜視図、第２図は
接合状態を示す接合部付近の斜視図、第３図は第２図■
−■線の断面図である。
（１）・・・リム材、（ｌａ） （Ｌｂ）・・・対向
端部、（２ａ） （２ｂ）・・・連結ピン嵌入孔、（
３）・・・連結ピン、（３ａ） （３ｂ）・・・端部
、（３ｃ）・・・径大膨出部、（５）（６）・・・径大
開口部、（７）・・・接着剤層。
以上The drawings show an embodiment of the present invention, and FIG. 1 is a perspective view of the vicinity of the joint showing a connecting pin in the process of being fitted, FIG. 2 is a perspective view of the vicinity of the joint showing a joined state, and FIG. Figure 2■
It is a sectional view taken along the line -■. (1)...Rim material, (la) (Lb)...Opposite end, (2a) (2b)...Connecting pin insertion hole, (
3) Connecting pin, (3a) (3b) End, (3c) Large diameter bulge, (5) (6) Large diameter opening, (7) ...Adhesive layer. that's all
Claims (1)
）どおしを接合するに際し、該端部（１ａ）（１ｂ）の
対向端面に連結ピン嵌入孔（２ａ）（２ｂ）を形成し、
これら嵌入孔（２ａ）（２ｂ）に連結ピン（３）の各対
応端部（３ａ）（３ｂ）を圧入嵌合せしめる接合方法に
おいて、 前記連結ピン（３）の中間部に径大膨出部（３ｃ）を形
成する一方、前記嵌入孔（２ａ）（２ｂ）の各開口端に
上記径大膨出部（３ｃ）に対応する径大開口部（５）（
６）をそれぞれ形成し、前記各嵌入孔（２ａ）（２ｂ）
に前記連結ピン（３）の各対応端部（３ａ）（３ｂ）を
圧入嵌合せしめると共に、前記径大開口部（５）（６）
内に接着剤層（７）を介して前記径大膨出部（３ｃ）を
接着一体化せしめることを特徴とする環状リム材におけ
る端部接合方法。[Claims] Opposing ends (1a) (1b) of an annularly curved rim member (1)
) When joining the two, connecting pin insertion holes (2a) (2b) are formed on the opposing end surfaces of the ends (1a) and (1b),
In the joining method in which the respective corresponding ends (3a, 3b) of the connecting pin (3) are press-fitted into the fitting holes (2a, 2b), a large diameter bulge is provided in the middle part of the connecting pin (3). (3c), and large diameter openings (5) (corresponding to the large diameter bulges (3c)) at each opening end of the insertion holes (2a) (2b).
6), and each of the fitting holes (2a) (2b)
The corresponding ends (3a) and (3b) of the connecting pin (3) are press-fitted into the large diameter openings (5) and (6).
A method for joining an end portion of an annular rim material, characterized in that the large-diameter bulging portion (3c) is bonded and integrated therein via an adhesive layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12114588A JPH01293203A (en) | 1988-05-18 | 1988-05-18 | End joining in ring-state rim material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12114588A JPH01293203A (en) | 1988-05-18 | 1988-05-18 | End joining in ring-state rim material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01293203A true JPH01293203A (en) | 1989-11-27 |
Family
ID=14803973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12114588A Pending JPH01293203A (en) | 1988-05-18 | 1988-05-18 | End joining in ring-state rim material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01293203A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5470133A (en) * | 1994-10-25 | 1995-11-28 | Kuo; Tse-Hsin | Bicycle wheel rim assembly |
| US5653510A (en) * | 1996-02-21 | 1997-08-05 | Syncros Applied Technology Incorporated | Wheel rims |
| FR2816548A1 (en) * | 2000-11-14 | 2002-05-17 | Salomon Sa | Bicycle wheel rim for tubeless tyre has two ends of rim member joined and sealed by insert of deformable material, liquid or paste |
| CN103192658A (en) * | 2012-01-04 | 2013-07-10 | 昆山亨利金属科技有限公司 | Bicycle rim structure combined by aluminum material and composite material and forming method |
-
1988
- 1988-05-18 JP JP12114588A patent/JPH01293203A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5470133A (en) * | 1994-10-25 | 1995-11-28 | Kuo; Tse-Hsin | Bicycle wheel rim assembly |
| US5653510A (en) * | 1996-02-21 | 1997-08-05 | Syncros Applied Technology Incorporated | Wheel rims |
| FR2816548A1 (en) * | 2000-11-14 | 2002-05-17 | Salomon Sa | Bicycle wheel rim for tubeless tyre has two ends of rim member joined and sealed by insert of deformable material, liquid or paste |
| WO2002040295A1 (en) * | 2000-11-14 | 2002-05-23 | Mavic S.A. | Method for making a bicycle rim designed to be mounted tubeless and rim obtained by implementing said method |
| CN103192658A (en) * | 2012-01-04 | 2013-07-10 | 昆山亨利金属科技有限公司 | Bicycle rim structure combined by aluminum material and composite material and forming method |
| CN103192658B (en) * | 2012-01-04 | 2015-09-30 | 昆山亨利金属科技有限公司 | Bicycle rim structure combined by aluminum material and composite material and forming method |
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