JPH0742949Y2 - Rear axle temporary support mechanism for motorcycles - Google Patents
Rear axle temporary support mechanism for motorcyclesInfo
- Publication number
- JPH0742949Y2 JPH0742949Y2 JP1988073546U JP7354688U JPH0742949Y2 JP H0742949 Y2 JPH0742949 Y2 JP H0742949Y2 JP 1988073546 U JP1988073546 U JP 1988073546U JP 7354688 U JP7354688 U JP 7354688U JP H0742949 Y2 JPH0742949 Y2 JP H0742949Y2
- Authority
- JP
- Japan
- Prior art keywords
- axle
- rear axle
- bracket
- pin
- piece
- 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 - Lifetime
Links
Landscapes
- Axle Suspensions And Sidecars For Cycles (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案はリヤホイールを装着した状態のリヤアクスル組
立品をスイングアーム後端のアクスルブラケットに前後
方向へ着脱自在にした自動２輪車のリヤアクスル装置に
おけるリヤアクスル仮受機構に関する。[Detailed Description of the Invention] (Industrial field of application) The present invention is a rear axle device for a motorcycle, in which a rear axle assembly with a rear wheel attached is detachably attached to an axle bracket at the rear end of a swing arm in the front-rear direction. Rear axle temporary receiving mechanism in.
（従来技術） 従来構造の一例を示す第３図において、スイングアーム
１の左右１対のスイングアーム本体２、２は、中空四角
柱状のアルミニウムの押出型材で形成され、途中部分が
クロスメンバ３により連結されており、前端の軸受部
４、４を貫通する支軸５によりフレームのブラケット
（共に図示せず）に回動自在に支持される。スイングア
ーム本体２の後端部にはアクスルブラケット６が溶着さ
れ、このアクスルブラケット６はリヤアクスル７（中心
線）を受入れるための後開きＵ形のアクスル受入溝８を
有する。アクスル受入溝８はアクスルブラケット６の上
片6aと下片6bで形成されており、上下片6a、6bの後端部
の垂直孔９にリヤアクスルに対する抜止めピン10が上方
から嵌合し、割ピン11が装着されるようになっている。
ところがこの構造によると、フレーム（エンジン下部付
近）をジャッキアップした状態で、リヤアクスル７をリ
ヤホイール（図示せず）ごと後方へ取外した後、再びリ
ヤホイール付のリヤアクスル組立品をリヤアクスル受入
溝８内へ挿入する作業に手間がかかる。即ちアクスルブ
ラケット下片6bの上面は平坦であり、一般にジャッキア
ップ時にもスイングアーム１は後下がりの姿勢となるた
め、ホイール付の重いリヤアクスル７の左右端部を左右
のアクスル受入溝８、８内へそれぞれ嵌める際に、リヤ
アクスル７上のカラー（図示せず）を左側のアクスルブ
ラケット６の内側面に沿わせなければならず、又リヤア
クスル７上の右端部に位置する図示しないブレーキディ
スクをフレーム上のキャリパ内のパッド間に挿入しなけ
ればならず、これらの作業をリヤアクスル７を左右のア
クスル受入溝８、８内に保持して行うのに特別の注意を
払う必要がある。先行技術として特開昭59-96085号があ
る。(Prior Art) In FIG. 3 showing an example of a conventional structure, a pair of left and right swing arm main bodies 2 and 2 of a swing arm 1 are formed of a hollow quadrangular prismatic aluminum extruded material, and a cross member 3 occupies an intermediate portion thereof. It is connected and is rotatably supported by a frame bracket (both not shown) by a support shaft 5 penetrating the front end bearings 4, 4. An axle bracket 6 is welded to the rear end portion of the swing arm body 2, and the axle bracket 6 has a rear opening U-shaped axle receiving groove 8 for receiving the rear axle 7 (center line). The axle receiving groove 8 is formed by the upper piece 6a and the lower piece 6b of the axle bracket 6, and the retaining pin 10 for the rear axle is fitted from above into the vertical hole 9 at the rear end of the upper and lower pieces 6a, 6b. Pin 11 is designed to be attached.
However, according to this structure, with the frame (near the lower part of the engine) jacked up, the rear axle 7 together with the rear wheel (not shown) is removed rearward, and then the rear axle assembly with the rear wheel is again installed in the rear axle receiving groove 8. It takes time and effort to insert it into. That is, since the upper surface of the axle bracket lower piece 6b is flat, and the swing arm 1 is generally in the rearward-lowering posture even when jacking up, the left and right end portions of the heavy rear axle 7 with wheels are placed in the left and right axle receiving grooves 8, 8. When each is fitted to the rear axle 7, a collar (not shown) on the rear axle 7 must be aligned with the inner surface of the left axle bracket 6, and a brake disc (not shown) located at the right end on the rear axle 7 is mounted on the frame. Must be inserted between the pads in the caliper, and special care must be taken to carry out these operations while holding the rear axle 7 in the left and right axle receiving grooves 8,8. As a prior art, there is JP-A-59-96085.
この対策として、アクスルブラケット６、６の各内側面
にアクスル仮受用凹部を有する板金部材をリベット等に
より固着したものも市販されている。しかしその場合は
アクスルブラケット６とは別の板金部材を用意し、且つ
両者を固着しなければならず、部品点数と組立工数の増
加は避けられない。充分な強度も与えにくい。As a countermeasure against this, there is commercially available one in which a sheet metal member having a recess for temporarily receiving an axle is fixed to each inner surface of each of the axle brackets 6, 6 with a rivet or the like. However, in that case, a sheet metal member different from the axle bracket 6 must be prepared and fixed to each other, and an increase in the number of parts and the number of assembling steps cannot be avoided. It is difficult to give sufficient strength.
従来又、アクスルブラケット６の下片6bの後端部にリヤ
アクスル７と平行なピンを介してコの字形断面のアクス
ル仮受金具を枢着し、この金具を後方突出状に支持した
時上縁にアクスル仮受用凹部ができるようにすると共
に、金具を起立させて上片6aに別のピンで固定した時、
リヤアクスル７に対する抜止めを兼ねるようにしたもの
も市販されている。しかしその場合も別の金具が必要で
あり、又金具に充分な強度を与える必要上、重量が増加
する恐れがある。Conventionally, an axle temporary receiving bracket having a U-shaped cross section is pivotally attached to the rear end portion of the lower piece 6b of the axle bracket 6 through a pin parallel to the rear axle 7, and when this bracket is supported in a rearward protruding shape, an upper edge is formed. In addition to making a recess for axle temporary reception, when raising the metal fitting and fixing it to the upper piece 6a with another pin,
The rear axle 7, which also functions as a retainer, is commercially available. However, in that case as well, another metal fitting is required, and since the metal fitting needs to have sufficient strength, the weight may increase.
（考案の目的） 本考案はスイングアーム本体の後端部に固着されるアク
スルブラケット自体の形状に改良を加えることにより、
リヤホイールと共にリヤアクスルを装着する際の作業性
向上を目的としている。(Object of the Invention) The present invention improves the shape of the axle bracket itself fixed to the rear end of the swing arm body,
The purpose is to improve workability when installing the rear axle together with the rear wheel.
（考案の構成） 本考案は、スイングアーム本体２の後端部の切欠17に上
片16aと下片16bの間の後開きＵ形のアクスル受入溝８を
持つアクスルブラケット16の前端部を嵌合溶接して一体
に備え、リヤアクスル組立品を上記アクスル受入溝８内
に収納固定し且つ上下片16a、16bの後端部の垂直孔９に
抜止めピン10を装着した型式のリヤアクスル装置におい
て、アクスルブラケット16をアクスルと直角な断面形状
が一定の押出型材をリヤアクスル７と直角に切断したブ
ロックで形成すると共に、アクスルブラケット下片16b
を上片16aより後方へ突出させると共に下片16bの上面後
端部にアクスル組込時のアクスル仮受用凹部24とその直
後の上向き突起25を一体に設け、アクスルブラケット16
の前端部にリヤアクスル７と平行な円柱状ピン23を固定
し、リヤアクスル７の頭部18とアクスルブラケット16の
間にピン23と噛合う偏心凹凸面21とレバー部22を有する
チェーンアジャスタ19のみを挾持したことを特徴とする
自動２輪車のリヤアクスル仮受機構である。(Structure of the Invention) In the present invention, the front end portion of the axle bracket 16 having the U-shaped axle receiving groove 8 of the rear opening between the upper piece 16a and the lower piece 16b is fitted in the notch 17 in the rear end portion of the swing arm body 2. A rear axle device of a type in which the rear axle assembly is housed and fixed in the axle receiving groove 8 and the retaining pins 10 are attached to the vertical holes 9 at the rear ends of the upper and lower pieces 16a and 16b, The axle bracket 16 is formed by a block obtained by cutting an extruded mold material having a constant cross-sectional shape, which is perpendicular to the axle, at a right angle to the rear axle 7.
Is projected rearward from the upper piece 16a, and at the rear end of the upper surface of the lower piece 16b, an axle temporary receiving concave portion 24 when the axle is installed and an upward projection 25 immediately after that are integrally provided.
A columnar pin 23 parallel to the rear axle 7 is fixed to the front end of the, and only the chain adjuster 19 having the eccentric concavo-convex surface 21 and the lever portion 22 that engage with the pin 23 is provided between the head 18 of the rear axle 7 and the axle bracket 16. A rear axle temporary receiving mechanism for a motorcycle, which is characterized by being held.
（実施例） 第１図のアクスルブラケット16はリヤアクスル７と直角
な断面形状が一定のアルミニウムの押出型材を第２図の
幅L1で切断したものをスイングアーム本体２の後端の切
欠17に嵌めて接合部分を溶接することにより本体２と一
体化している。リヤアクスル７の一端に設けた六角頭部
18に隣接してチェーンアジャスタ19が嵌合し部分20で溶
着されている。チェーンアジャスタ19は外周に偏心凹凸
面21とレバー部22を一体に備え、偏心凹凸面21はアクス
ルブラケット16の外側面に設けたリヤアクスル７と平行
なピン23に係合し、チェーンアジャスタ19を矢印Ａ方向
に回動することによりピン23に対しリヤアクスル７を後
方（第１図右方）へ移動させて、チェン（図示せず）の
張力を増すことができるようになっている。アクスルブ
ラケット16の上片16aと下片16bの後端部には垂直孔９が
設けてあり、垂直孔９に近い下片16bの上面にはアクス
ル仮受用凹部24が当初から（押出成型時から）形成さ
れ、下片16bは上片16aより後方へ寸法L2だけ余分に突出
し、リヤアクスル７を矢印Ｂ方向前方へ持って来た時に
凹部24の後方の突起25が上片16aよりガイド状に後方に
突出し、リヤアクスル７を受入れやすくなっている。第
２図の26はリヤアクスル７上の前記カラーである。(Example) The axle bracket 16 shown in FIG. 1 is obtained by cutting an extruded aluminum material having a constant cross section perpendicular to the rear axle 7 with a width L1 shown in FIG. 2 and fitting it into the notch 17 at the rear end of the swing arm body 2. It is integrated with the main body 2 by welding the joint portion. Hexagonal head provided at one end of rear axle 7
A chain adjuster 19 is fitted adjacent to 18 and welded at a portion 20. The chain adjuster 19 integrally includes an eccentric concavo-convex surface 21 and a lever portion 22 on the outer circumference, and the eccentric concavo-convex surface 21 engages with a pin 23 parallel to the rear axle 7 provided on the outer side surface of the axle bracket 16 to move the chain adjuster 19 in the arrow direction. By rotating in the A direction, the rear axle 7 can be moved backward (to the right in FIG. 1) with respect to the pin 23, and the tension of the chain (not shown) can be increased. A vertical hole 9 is provided at the rear ends of the upper piece 16a and the lower piece 16b of the axle bracket 16, and an axle temporary receiving recess 24 is formed on the upper surface of the lower piece 16b near the vertical hole 9 from the beginning (from the time of extrusion molding). ) Is formed, the lower piece 16b further projects rearward from the upper piece 16a by a dimension L2, and when the rear axle 7 is brought forward in the direction of the arrow B, the projection 25 at the rear of the recess 24 is rearwardly guided from the upper piece 16a. It is easy to receive the rear axle 7 by projecting to the rear. 26 in FIG. 2 is the collar on the rear axle 7.
リヤアクスル７上に図示しないリヤホイールを装着した
状態の組立品をリヤアクスル受入溝８内に装着するに
は、先ずリヤアクスル７を７′で示すように凹部24内へ
左右それぞれ嵌め、その後アクスル組立品を矢印Ｂ方向
前方へ押し、チェーンアジャスタ19の偏心凹凸面21がピ
ン23に当接する実線の位置に置き、引続きリヤアクスル
７上のスプロケット（図示せず）にチェーンを掛け、チ
ェーンアジャスタ19を操作してチェーンに所定の張力を
与えた状態で、リヤアクスル７の他端部のナット（図示
せず）を締付け、リヤアクスル７をスイングアーム本体
２に固定する。引続き垂直孔９に抜止めピン10を挿入
し、割ピン11を取付ける。To mount the assembly with the rear wheel (not shown) mounted on the rear axle 7 into the rear axle receiving groove 8, first fit the rear axle 7 into the recess 24 as shown at 7 ', and then install the axle assembly. Push forward in the direction of arrow B, place the eccentric concavo-convex surface 21 of the chain adjuster 19 at the position of the solid line where it abuts the pin 23, and then hook the chain on the sprocket (not shown) on the rear axle 7 and operate the chain adjuster 19. With a predetermined tension applied to the chain, a nut (not shown) at the other end of the rear axle 7 is tightened to fix the rear axle 7 to the swing arm body 2. Then, insert the retaining pin 10 into the vertical hole 9 and attach the split pin 11.
（考案の効果） 以上説明したように本考案によると、アクスル仮受用凹
部24をアクスルブラケット16の下片16bに一体に形成す
るようにしたので、アクスルブラケット16を押出成型す
る際に凹部24も同時に形成することができ、このように
して形成された押出型材を所定幅L1で切断するだけでア
クスルブラケット16を得ることができ、アクスルブラケ
ット16に別のアクスル仮受用金具を固着することなく、
アクスル仮受用凹部24を設けることができる。しかも凹
部24はアクスルブラケット16に一体に形成され、全体の
幅L1に渡り凹部24が形成されるため、ホイールを有する
リヤアクスル組立品を凹部24上に置いた場合にも下片16
bが変形したり摩耗する恐れはなく、リヤアクスル７を
仮受保持することができ、作業性が向上する。又本考案
によると、抜止めピン10を抜いて後方へ取り出したリヤ
アクスル組立品を再びアクスル受入溝８内に収納する際
にアクスル受入溝８の後端開口幅が増し，挿入しやすく
なり、しかもアクスル仮受用凹部24があるのでリヤアク
スル７′の左右端部の前後位置が揃い、リヤアクスル
７′の姿勢が一定となると共に、そこからアクスル受入
溝８内へ前向きに押し込む作業が容易になる。チェーン
アジャスタ19の偏心凹凸面21はピン23に圧接しているだ
けであるため、分解時にはリヤアクスル７の頭部18と反
対側のナットを少し緩めるだけでリヤアクスル組立品を
後方へ取り出すことができ、操作が容易になる。(Effects of the Invention) As described above, according to the present invention, the recess 24 for temporarily receiving the axle is formed integrally with the lower piece 16b of the axle bracket 16, so that the recess 24 is also formed when the axle bracket 16 is extrusion molded. It can be formed at the same time, it is possible to obtain the axle bracket 16 only by cutting the extrusion mold material formed in this way with a predetermined width L1, without fixing another axle temporary receiving metal fitting to the axle bracket 16,
An axle temporary receiving recess 24 can be provided. Moreover, since the recess 24 is formed integrally with the axle bracket 16 and the recess 24 is formed over the entire width L1, even when the rear axle assembly having the wheels is placed on the recess 24, the lower piece 16
There is no fear that b will be deformed or worn, the rear axle 7 can be temporarily received and held, and workability is improved. Further, according to the present invention, when the rear axle assembly taken out by pulling out the retaining pin 10 is housed in the axle receiving groove 8 again, the rear end opening width of the axle receiving groove 8 is increased to facilitate the insertion, and Since the provisional axle receiving recess 24 is provided, the front and rear positions of the left and right end portions of the rear axle 7'are aligned, the posture of the rear axle 7'is kept constant, and the work of pushing it forward into the axle receiving groove 8 is facilitated. Since the eccentric concavo-convex surface 21 of the chain adjuster 19 is only in pressure contact with the pin 23, the rear axle assembly can be taken out backward by simply loosening the nut on the side opposite the head 18 of the rear axle 7 when disassembling, Operation becomes easy.
第１図は本考案を適用したスイングアーム後端部の左側
面図、第２図は第１図のII矢視後面図、第３図は従来構
造の一例を示す分解斜視図である。 １……スイングアーム、２……スイングアーム本体、８
……アクスル受入溝、９……垂直孔、10……抜止めピ
ン、16……アクスルブラケット、16a……上片、16b……
下片、24……アクスル仮受用凹部FIG. 1 is a left side view of a rear end portion of a swing arm to which the present invention is applied, FIG. 2 is a rear view taken along the arrow II in FIG. 1, and FIG. 3 is an exploded perspective view showing an example of a conventional structure. 1 ... Swing arm, 2 ... Swing arm body, 8
…… Axle receiving groove, 9 …… Vertical hole, 10 …… Retaining pin, 16 …… Axle bracket, 16a …… Upper piece, 16b ……
Lower piece, 24 ... Recess for axle temporary reception
Claims (1)
（17）に上片（16a）と下片（16b）の間の後開きＵ形の
アクスル受入溝（８）を持つアクスルブラケット（16）
の前端部を嵌合溶接して一体に備え、リヤアクスル組立
品を上記アクスル受入溝（８）内に収納固定し且つ上下
片（16a、16b）の後端部の垂直孔（９）に抜止めピン
（10）を装着した型式のリヤアクスル装置において、ア
クスルブラケット（16）をアクスルと直角な断面形状が
一定の押出型材をリヤアクスル（７）と直角に切断した
ブロックで形成すると共に、アクスルブラケット下片
（16b）を上片（16a）より後方へ突出させると共に下片
（16b）の上面後端部にアクスル組込時のアクスル仮受
用凹部（24）とその直後の上向き突起（25）を一体に設
け、アクスルブラケット（16）の前端部にリヤアクスル
（７）と平行な円柱状ピン（23）を固定し、リヤアクス
ル（７）の頭部（18）とアクスルブラケット（16）の間
にピン（23）と噛合う偏心凹凸面（21）とレバー部（2
2）を有するチェーンアジャスタ（19）のみを挾持した
ことを特徴とする自動２輪車のリヤアクスル仮受機構。1. An axle bracket having a rear opening U-shaped axle receiving groove (8) between an upper piece (16a) and a lower piece (16b) in a notch (17) at a rear end portion of a swing arm body (2). (16)
The front end part of the above is fitted and welded integrally, and the rear axle assembly is housed and fixed in the above-mentioned axle receiving groove (8) and is retained in the vertical hole (9) at the rear end part of the upper and lower pieces (16a, 16b). In a rear axle device of a type equipped with a pin (10), an axle bracket (16) is formed by a block obtained by cutting an extruded die material having a constant cross-sectional shape perpendicular to the axle, at a right angle to the rear axle (7), and at the same time, lowering the axle bracket. (16b) protrudes rearward from the upper piece (16a), and at the rear end of the upper surface of the lower piece (16b), an axle temporary receiving recess (24) when the axle is installed and an upward projection (25) immediately after that are integrally formed. A cylindrical pin (23) parallel to the rear axle (7) is fixed to the front end of the axle bracket (16), and the pin (23) is provided between the head (18) of the rear axle (7) and the axle bracket (16). ) Eccentric uneven surface (2 1) and lever part (2
A rear axle temporary receiving mechanism for a motorcycle, characterized in that it only holds a chain adjuster (19) having 2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988073546U JPH0742949Y2 (en) | 1988-06-02 | 1988-06-02 | Rear axle temporary support mechanism for motorcycles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988073546U JPH0742949Y2 (en) | 1988-06-02 | 1988-06-02 | Rear axle temporary support mechanism for motorcycles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01175495U JPH01175495U (en) | 1989-12-13 |
| JPH0742949Y2 true JPH0742949Y2 (en) | 1995-10-04 |
Family
ID=31298684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988073546U Expired - Lifetime JPH0742949Y2 (en) | 1988-06-02 | 1988-06-02 | Rear axle temporary support mechanism for motorcycles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0742949Y2 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5741281A (en) * | 1980-08-25 | 1982-03-08 | Honda Motor Co Ltd | Rear fork for autobicycle |
| JPS602077Y2 (en) * | 1980-09-23 | 1985-01-21 | 本田技研工業株式会社 | Motorcycle rear wheel support device |
| JPS6167294U (en) * | 1984-10-08 | 1986-05-08 | ||
| JPS6181880A (en) * | 1985-06-20 | 1986-04-25 | スズキ株式会社 | Swing arm for two-wheel barrow |
| JPS6268889U (en) * | 1985-10-22 | 1987-04-30 |
-
1988
- 1988-06-02 JP JP1988073546U patent/JPH0742949Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01175495U (en) | 1989-12-13 |
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