JPH071546Y2 - Transmission operating mechanism - Google Patents
Transmission operating mechanismInfo
- Publication number
- JPH071546Y2 JPH071546Y2 JP15596488U JP15596488U JPH071546Y2 JP H071546 Y2 JPH071546 Y2 JP H071546Y2 JP 15596488 U JP15596488 U JP 15596488U JP 15596488 U JP15596488 U JP 15596488U JP H071546 Y2 JPH071546 Y2 JP H071546Y2
- Authority
- JP
- Japan
- Prior art keywords
- side plate
- neutral position
- main body
- plate portion
- operation arm
- 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
- Gear-Shifting Mechanisms (AREA)
- Control Of Transmission Device (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案はシャフトにシフト機構の操作アームが回転可能
かつ摺動可能に設けられ、該操作アームのボス部の軸方
向両側部に中立位置付勢部材が設けられた変速機の操作
機構に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) In the present invention, an operating arm of a shift mechanism is rotatably and slidably provided on a shaft, and neutral positions are provided on both axial sides of a boss of the operating arm. The present invention relates to a transmission operating mechanism provided with a biasing member.
（従来の技術） 例えば実開昭60−65424号公報に記載されるように、変
速機の操作機構として、シャフトに対しシフト機構の操
作アームが回転可能かつ摺動可能に設けられたものは知
られている。(Prior Art) For example, as described in Japanese Utility Model Laid-Open No. 60-65424, there is no known transmission operating mechanism in which an operating arm of a shift mechanism is rotatably and slidably provided with respect to a shaft. Has been.
しかして、そのようなものにおいては、例えば第４図に
示すように、第１シャフトａに摺動可能かつ回動可能に
設けられた操作アームｂのボス部ｃの軸方向両側にコイ
ルスプリングd,dが設けられると共に、操作アームｂの
ボス部ｃにボールｅとスプリングｆとを有し中立位置に
位置決めする位置決め機構が設けられ、操作アームｂの
先端係合部ｇを第２シャフトｈに固定されたレバーｉの
係合凹部ｊに係合させ、レバーｉをシフト及びセレクト
動作させるようになっている。Thus, in such a structure, as shown in FIG. 4, for example, the coil springs d are provided on both sides in the axial direction of the boss portion c of the operation arm b provided slidably and rotatably on the first shaft a. , d are provided, and a positioning mechanism that has a ball e and a spring f is provided on the boss portion c of the operation arm b to position the operation arm b at the neutral position, and the tip engagement portion g of the operation arm b is provided on the second shaft h. The lever i is engaged in the engaging recess j of the fixed lever i to shift and select the lever i.
（考案が解決しようとする課題） ところが、そのような操作機構では、中立位置付勢部材
としてのコイルスプリングd,dの組付けのほかに、節度
感を持たせるための位置決め機構を構成するボールｅと
それについてのスプリングｆの組付けも行わなければな
らず、部品点数が多く、それらの組付けが面倒であっ
た。(Problems to be solved by the invention) However, in such an operating mechanism, in addition to assembling the coil springs d, d as the neutral position urging member, a ball forming a positioning mechanism for giving a feeling of moderation is provided. Assembling the spring e with respect to e was also necessary, and the number of parts was large, and assembling them was troublesome.
本考案はかかる点に鑑みてなされたもので、部品点数を
少なくし、かつ組付けを容易にすることができる変速機
の操作機構を提供せんとするものである。The present invention has been made in view of the above points, and an object thereof is to provide an operation mechanism of a transmission that can reduce the number of parts and facilitate assembly.
（課題を解決するための手段） 本考案は、上記目的を達成するために、シャフトにシフ
ト機構の操作アームが回転可能かつ摺動可能に設けら
れ、該操作アームのボス部の軸方向両側部に中立位置付
勢部材が設けられた機構において、前記中立位置付勢部
材が、一対の側板部を有する断面略Ｕ字状の弾性本体部
と、該弾性本体部の一方の側板部に連接され、他方の側
板部側へ延び該他方の側板部に係合可能であるストッパ
部とを備えていることを特徴とするものである。(Means for Solving the Problems) In order to achieve the above object, the present invention provides a shaft on which an operation arm of a shift mechanism is rotatably and slidably provided, and both side portions in the axial direction of a boss portion of the operation arm. In a mechanism provided with a neutral position urging member, the neutral position urging member is connected to an elastic main body having a substantially U-shaped cross section having a pair of side plate parts and one side plate part of the elastic main body part. , And a stopper portion that extends toward the other side plate portion and is engageable with the other side plate portion.
すなわち、本考案は、中立位置付勢部材を、一対の側板
部を有する断面略Ｕ字状の弾性本体部と、該弾性本体部
の一方の側板部に連接され、他方の側板部側へ延び該他
方の側板部に係合可能であるストッパ部とで構成するこ
とより、ストッパ部で付勢力を保持したまま上記弾性本
体部の大きさ（側板部の間隔）を規制し、中立位置付勢
部材のみで操作アームを中立位置とするものである。That is, according to the present invention, a neutral position urging member is connected to an elastic main body having a pair of side plate portions and having a substantially U-shaped cross section, and is connected to one side plate portion of the elastic main body portion and extends toward the other side plate portion. By configuring with the stopper portion that can be engaged with the other side plate portion, the size of the elastic main body portion (interval between the side plate portions) is regulated while the biasing force is held by the stopper portion, and the neutral position biasing is performed. The operation arm is set to the neutral position only by the members.
（作用） 操作アームのボス部の軸方向両側部に配設された中立位
置付勢部材の付勢力が、該中立位置付勢部材の一方の側
板部と他方の側板部との間隔がストッパ部にて制御さ
れ、それによって操作アームが中立位置に保持される。(Operation) The urging force of the neutral position urging members arranged on both axial sides of the boss portion of the operation arm is such that the distance between one side plate portion and the other side plate portion of the neutral position urging member is the stopper portion. The control arm is held in the neutral position.
また、中立位置付勢部材は、付勢力を保持したまま、ス
トッパ部にて両側板部の間隔が規制されるので、その状
態で外力が作用しても、弾性本体部の側板部による付勢
力（反力）が作用して、操作アームは中立位置に保持さ
れる。Further, the neutral position urging member keeps the urging force, and the distance between the both side plate portions is regulated by the stopper portion, so that even if an external force is applied in that state, the urging force of the side plate portion of the elastic main body portion is increased. (Reaction force) acts, and the operation arm is held at the neutral position.
（実施例） 以下、本考案の実施例を図面に沿って詳細に説明する。Embodiment An embodiment of the present invention will be described in detail below with reference to the drawings.
変速機の操作機構の概略構成を示す第１図において、１
はシャフト（固定軸）で、該シャフト１にシフト機構の
操作アーム２が回転可能かつ摺動可能に設けられてい
る。In FIG. 1 showing the schematic configuration of the transmission operating mechanism, 1
Is a shaft (fixed shaft), and the operation arm 2 of the shift mechanism is rotatably and slidably provided on the shaft 1.
上記操作アーム２は、そのボス部2aの軸方向両側部に、
上記操作アーム２を中立位置に付勢する中立位置付勢部
材3,3（プリセットスプリング）が設けられ、該ボス部2
aより半径方向外方に延びるアーム部2bの先端に、レバ
ー（図示せず）の係合凹部に係合する係合凸部2cを備え
ている。The operation arm 2 has axially opposite sides of the boss 2a,
Neutral position urging members 3, 3 (preset springs) for urging the operation arm 2 to the neutral position are provided, and the boss portion 2
An engaging convex portion 2c that engages with an engaging concave portion of a lever (not shown) is provided at the tip of the arm portion 2b extending radially outward from a.
前記中立位置付勢部材３は、第２図及び第３図に示すよ
うに、一対の側板部4a,4b、該側板部4a,4b下縁の両側端
を一定間隔を存してを連接する湾曲形状の一対の連接部
4c,4d及び一方の側板部4aの上端縁に設けられ該側板部4
aに対し若干傾斜した係合部4eからなる断面略Ｕ字状の
弾性本体部４と、該弾性本体部４の他方の側板部4bに連
設され一方の側板部4aの方向に延びる延長部5a及び該延
長部5aの先端より該延長部5aに略直交する方向に延びる
係止部5bからなるストッパ部５とを備え、ストッパ部５
の係止部5bを側板部4aの係合部4eに係合させることで、
付勢力がほぼ一定となるようになっている。As shown in FIGS. 2 and 3, the neutral position urging member 3 connects the pair of side plate portions 4a, 4b and both side ends of the lower edges of the side plate portions 4a, 4b at regular intervals. A pair of curved connecting parts
4c, 4d and one side plate portion 4a provided on the upper edge of the side plate portion 4a
An elastic main body 4 having a substantially U-shaped cross section, which is formed of an engaging portion 4e slightly inclined with respect to a, and an extension portion continuous with the other side plate portion 4b of the elastic main body portion 4 and extending in the direction of the one side plate portion 4a. 5a and a stopper portion 5 comprising a locking portion 5b extending from the tip of the extension portion 5a in a direction substantially orthogonal to the extension portion 5a.
By engaging the locking portion 5b of the with the engaging portion 4e of the side plate portion 4a,
The biasing force is almost constant.
また、上記弾性本体部４の両側板部4a,4bの中間部（最
も膨出した部位）には、上記シャフト１が嵌挿される貫
通孔4f、4gが開設されている。In addition, through holes 4f and 4g into which the shaft 1 is inserted are formed in the middle portions (the most bulged portions) of the both side plate portions 4a and 4b of the elastic main body portion 4.
上記中立位置付勢部材３は、第２図に示すように、フリ
ー状態では弾性本体部４の側板部4a,4b間の間隔が大き
くなっており、上記ストッパ部５の係止部5bを側板部4a
の上端縁の係合部4eに係合させることによって、延長部
5aの幅が定まっていることから、第３図に示すように、
上記両側板部4a,4b間の最大間隔が規制され、ストッパ
部５と側板部4aの係合部4eとが係合した状態では中立位
置付勢部材３による付勢力が略一定となるようにし、操
作アーム２のボス部2aが軸方向両側から等しい力で互い
に反対方向に付勢されるようになっている。As shown in FIG. 2, the neutral position urging member 3 has a large space between the side plate portions 4a and 4b of the elastic main body portion 4 in the free state, so that the engaging portion 5b of the stopper portion 5 is formed into the side plate. Part 4a
By engaging with the engaging portion 4e at the upper edge of the
Since the width of 5a is fixed, as shown in FIG.
The maximum distance between the both side plate portions 4a, 4b is regulated so that the urging force by the neutral position urging member 3 becomes substantially constant in the state where the stopper portion 5 and the engaging portion 4e of the side plate portion 4a are engaged. The boss portions 2a of the operation arm 2 are urged from opposite sides in the axial direction with equal force in opposite directions.
上記のように構成すれば、中立位置付勢部材３の弾性本
体部４による付勢力がストッパ部５にて両側板部4a,4b
の間隔を規制することで規制され、それによって、操作
アーム２を付勢する付勢力がボス部2aの軸方向両側にお
いて等しくなるので、従来節度感を持たせるために必要
としていたボールとコイルスプリングとからなる位置決
め機構を設けなくとも、中立位置になるので、部品点数
が少なくなり、構造が簡単となると共に、組付けも容易
となる。According to the above structure, the urging force of the elastic body portion 4 of the neutral position urging member 3 is applied to the stopper portions 5 on both side plate portions 4a, 4b.
Is regulated by regulating the distance between the two, and the biasing force for biasing the operation arm 2 becomes equal on both sides in the axial direction of the boss portion 2a. Since the neutral position is provided without providing the positioning mechanism consisting of, the number of parts is reduced, the structure is simplified, and the assembly is facilitated.
また、中立位置付勢部材３に操作アーム２のボス部2aよ
り何等かの力が作用すると、側板部4aの係合部4eは係止
部5bに固定されていないので、係止部5bから側板部4aの
上端縁の係合部4eが離れることとなるが、操作アーム２
に操作力が作用していない限り、側板部4aより付勢力が
操作アーム２のボス部2aに作用し、操作アーム２は中立
位置側に戻される。このとき、ストッパ５にて両側板部
4a,4bの間隔は規制されているので、他方側の中立位置
付勢部材３による付勢力と相俟って、操作アーム２は中
立位置に保持される。Further, when some force is applied to the neutral position urging member 3 from the boss portion 2a of the operation arm 2, the engaging portion 4e of the side plate portion 4a is not fixed to the engaging portion 5b. Although the engaging portion 4e at the upper edge of the side plate portion 4a is separated, the operation arm 2
Unless the operating force is applied to the boss 2, the urging force from the side plate 4a acts on the boss 2a of the operating arm 2, and the operating arm 2 is returned to the neutral position side. At this time, the stopper 5 is used to
Since the distance between 4a and 4b is regulated, the operation arm 2 is held at the neutral position in cooperation with the biasing force of the neutral position biasing member 3 on the other side.
（考案の効果） 本考案は上記のように構成したから、中立規制部材のス
トッパ部によって両側板部の間隔が保持されて節度感が
確保されるようになり、特別な位置決め機構が不要で構
造の簡単化により部品点数の低減が図れ、組付けも容易
となる。(Effect of the Invention) Since the present invention is configured as described above, the space between the both side plate portions is maintained by the stopper portion of the neutrality regulating member, and a feeling of moderation is ensured, so that a special positioning mechanism is not necessary. By simplifying the number of parts, the number of parts can be reduced and the assembling becomes easy.
第１図乃至第３図は本考案の実施例を示し、第１図は変
速機の操作機構の断面図、第２図及び第３図は中立位置
付勢部材のフリー状態、並びにプリセット＆作動状態の
説明図、第４図は従来の変速機の操作機構の断面図であ
る。 １……シャフト、２……操作アーム、2a……ボス部、３
……中立位置付勢部材、４……弾性本体部、4a、4b……
側板部、５……ストッパ部1 to 3 show an embodiment of the present invention, FIG. 1 is a sectional view of an operation mechanism of a transmission, and FIGS. 2 and 3 are free states of a neutral position urging member, and preset & operation. FIG. 4 is an explanatory view of the state, and FIG. 4 is a cross-sectional view of a conventional transmission operating mechanism. 1 ... Shaft, 2 ... Operation arm, 2a ... Boss part, 3
...... Neutral position urging member, 4 ...... Elastic body, 4a, 4b ......
Side plate, 5 ... Stopper
Claims (1)
可能かつ摺動可能に設けられ、該操作アームのボス部の
軸方向両側部に中立位置付勢部材が設けられた機構にお
いて、前記中立位置付勢部材が、一対の側板部を有する
断面略Ｕ字状の弾性本体部と、該弾性本体部の一方の側
板部に連接され、他方の側板部側へ延び該他方の側板部
に係合可能であるストッパ部とを備えていることを特徴
とする変速機の操作機構。1. A mechanism in which an operating arm of a shift mechanism is rotatably and slidably provided on a shaft, and neutral position urging members are provided on both axial sides of a boss portion of the operating arm. The urging member is connected to an elastic main body having a pair of side plate portions and having a substantially U-shaped cross section, and is connected to one side plate portion of the elastic main body portion and extends to the other side plate portion to engage with the other side plate portion. An operation mechanism for a transmission, comprising: a stopper portion that is capable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15596488U JPH071546Y2 (en) | 1988-11-30 | 1988-11-30 | Transmission operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15596488U JPH071546Y2 (en) | 1988-11-30 | 1988-11-30 | Transmission operating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0276261U JPH0276261U (en) | 1990-06-12 |
| JPH071546Y2 true JPH071546Y2 (en) | 1995-01-18 |
Family
ID=31434070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15596488U Expired - Lifetime JPH071546Y2 (en) | 1988-11-30 | 1988-11-30 | Transmission operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH071546Y2 (en) |
-
1988
- 1988-11-30 JP JP15596488U patent/JPH071546Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0276261U (en) | 1990-06-12 |
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