JPH0989103A - Shock preventing structure of geared speed changer - Google Patents
Shock preventing structure of geared speed changerInfo
- Publication number
- JPH0989103A JPH0989103A JP7267743A JP26774395A JPH0989103A JP H0989103 A JPH0989103 A JP H0989103A JP 7267743 A JP7267743 A JP 7267743A JP 26774395 A JP26774395 A JP 26774395A JP H0989103 A JPH0989103 A JP H0989103A
- Authority
- JP
- Japan
- Prior art keywords
- passive
- transmission
- casing
- shaft
- gear
- 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
- 230000035939 shock Effects 0.000 title abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 86
- 230000036316 preload Effects 0.000 claims abstract description 9
- 208000019901 Anxiety disease Diseases 0.000 description 2
- 230000036506 anxiety Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
- Structure Of Transmissions (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、スライディングキ−式
の歯車変速装置におけるショック防止構造に関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shock-preventing structure in a sliding key type gear transmission.
【０００２】[0002]
【従来の技術】従来、伝動軸に固定される歯車群と、伝
動軸に平行な変速軸に遊嵌される歯車群とで複数の常時
噛み合い歯車対を構成し、変速軸に遊嵌される歯車群の
いずれかを、変速軸の軸心方向に摺動する作動杆の張出
し部により径方向外方に押し出されるボ−ルでもって択
一に変速軸に連動結合させて、複数の歯車対の一つを伝
動状態にするように構成されたスライディングキ−式の
歯車変速装置が知られている。2. Description of the Related Art Conventionally, a gear group fixed to a transmission shaft and a gear group loosely fitted to a transmission shaft parallel to the transmission shaft form a plurality of constantly meshing gear pairs, which are loosely fitted to the transmission shaft. Any one of the gear groups is alternatively interlocked with the transmission shaft by means of a ball that is pushed outward in the radial direction by the overhanging portion of the operating rod that slides in the axial direction of the transmission shaft. There is known a sliding key type gear transmission configured to put one of the gears in a transmission state.
【０００３】[0003]
【発明が解決しようとする課題】上記のような歯車変速
装置においては、動力伝達状態のままで変速操作を行う
ことが可能であるので、変速の際にクラッチを断接する
所作が省かれ、操作が単純化される利点があるけれど
も、従来のものでは、変速軸に遊嵌された歯車がボ−ル
によって変速軸に伝動結合された途端に急激なショック
が発生し、それが操作者に伝わって不安や違和感を与え
るという問題があった。In the above-described gear transmission, since the gear shifting operation can be performed while the power is being transmitted, the operation of engaging and disengaging the clutch at the time of gear shifting can be omitted. However, in the conventional one, a sudden shock occurs as soon as the gear loosely fitted to the speed change shaft is transmission-coupled to the speed change shaft by the ball, which causes the operator to have a sudden shock. There was a problem that it was transmitted and caused anxiety and discomfort.
【０００４】[0004]
【課題を解決するための手段】本発明は、上記の問題を
解決することを目的としてなされたもので、目的を達成
のために次の技術手段を講じたものである。すなわち、
本発明における歯車変速装置のショック防止構造は、伝
動軸に固定される駆動歯車と、前記伝動軸に平行な変速
軸に遊嵌される従動歯車とが常時噛合する歯車対を複数
装設し、従動歯車のいずれかを、変速軸の軸心方向に摺
動する作動杆の張出し部により径方向外方に押し出され
るボ−ルでもって択一に変速軸に連動結合させるスライ
ディングキ−式の歯車変速装置において、前記伝動軸に
遊転支承するケ−シング側に摩擦駆動板を備え、伝動軸
に嵌着固定する受動体側に受動板を備えた摩擦伝動部を
設けるとともに、前記ケ−シングの横側隣接部位に受動
輪体を遊嵌装設して、受動輪体とケ−シングの間に、常
時、摩擦駆動板と受動板を接合させる方向の力を付与す
る予圧バネを介装し、且つ、受動輪体とケ−シングの対
向面部に、前記スライディングキ−式歯車変速装置の歯
車対のいずれかが伝動状態になるとやや時間差をおいて
摩擦駆動板と受動板の圧接を増大させる方向の推力を起
生するカム状係合部を対設してあることを特徴とするも
のである。The present invention has been made for the purpose of solving the above problems, and has the following technical means for achieving the object. That is,
The shock prevention structure of the gear transmission according to the present invention is provided with a plurality of gear pairs in which a drive gear fixed to a transmission shaft and a driven gear that is loosely fitted to a transmission shaft parallel to the transmission shaft are constantly meshed with each other, Sliding key type gear, in which any of the driven gears is interlockingly coupled to the speed change shaft by a ball pushed outward in the radial direction by the overhanging portion of the operating rod that slides in the axial direction of the speed change shaft. In the transmission, a friction drive plate is provided on a casing side that is idle-supported on the transmission shaft, and a friction transmission portion having a passive plate is provided on a passive body side that is fitted and fixed to the transmission shaft. A passive wheel body is loosely fitted and installed in a laterally adjacent portion, and a preload spring that constantly applies a force in the direction of joining the friction drive plate and the passive plate is provided between the passive wheel body and the casing. In addition, on the facing surface part of the passive wheel and the casing, When any one of the gear pairs of the idling key type gear transmission is in a transmission state, a cam-like engaging portion that generates a thrust in a direction of increasing the pressure contact between the friction drive plate and the passive plate is provided with a slight time lag. It is characterized by being.
【０００５】[0005]
【作用】上記のように構成された歯車変速装置におい
て、伝動軸と変速軸間に組成される複数の歯車対のいず
れもが無負荷状態にあるときには、摩擦伝動部の摩擦駆
動板と受動板が予圧バネの設定バネ圧でもって軽微に接
合されるとともに、受動輪体とケ−シングの対向面部に
対設されているカム状係合部は、伝動軸の軸心方向にケ
−シングを移行させる推力を発生しない状態に保たれ
る。しかして、作動杆を摺動操作し張出し部によってボ
−ルを径方向外方に押出して、いずれかの歯車対の従動
歯車を変速軸に連動結合させると、その後に歯車対にか
かる負荷が伝動軸、摩擦伝動部を経てカム状係合部に作
用し、カム状係合部がケ−シングを伝動軸の軸心方向に
移動させる推力を発生することとなり、その推力でもっ
て摩擦伝動部の摩擦駆動板と受動板が強く圧接されて所
期の駆動力を伝達し得る状態となる。In the gear transmission constructed as described above, when none of the plurality of gear pairs formed between the transmission shaft and the transmission shaft is in an unloaded state, the friction drive plate and the passive plate of the friction transmission portion are provided. Is lightly joined by the set spring pressure of the preload spring, and the cam-shaped engaging part that is installed opposite the passive ring and the facing surface of the casing forms the casing in the axial direction of the transmission shaft. The thrust to be transferred is kept in a non-generated state. Then, when the operating rod is slid to push the ball outward in the radial direction by the overhanging part and the driven gear of either gear pair is interlocked with the speed change shaft, the load applied to the gear pair after that. It acts on the cam-shaped engaging portion via the transmission shaft and the friction transmission portion, and the cam-shaped engagement portion generates thrust for moving the casing in the axial direction of the transmission shaft, and the thrust causes the friction transmission portion. The friction driving plate and the passive plate are strongly pressed to each other, and the desired driving force can be transmitted.
【０００６】[0006]
【実施例】次に、本発明の実施例について図面を参照し
て説明するが、図１は本発明構造が実施された歯車変速
装置の断面図、図２は本発明構造の要部を示す部分図、
図３は本発明構造の変形例を示す部分図、図４は本発明
構造のもう一つの実施例を示す部分図である。Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is a sectional view of a gear transmission in which the structure of the present invention is embodied, and FIG. 2 shows an essential part of the structure of the present invention. Partial view,
FIG. 3 is a partial view showing a modified example of the present invention structure, and FIG. 4 is a partial view showing another embodiment of the present invention structure.
【０００７】図１において、ミッションケ−ス(１８)
に、伝動軸(１)とそれに平行する変速軸(２)とが所定の
軸間距離で回転自在に軸受支承され、伝動軸(１)側に歯
数の異なる複数の駆動歯車(３)(４)(５)がスプライン嵌
着されるとともに、各々の歯車(３)(４)(５)に常時噛合
する従動歯車(３ａ)(４ａ)(５ａ)が変速軸(２)側に遊嵌
されて複数の歯車対が構成されている。In FIG. 1, the mission case (18)
In addition, a transmission shaft (1) and a speed-change shaft (2) parallel to the transmission shaft (1) are rotatably supported by a predetermined axial distance, and a plurality of drive gears (3) (having different numbers of teeth) are provided on the transmission shaft (1) side. 4) and (5) are spline-fitted, and driven gears (3a) (4a) (5a) that constantly mesh with the gears (3), (4) and (5) are loosely fitted to the speed change shaft (2) side. As a result, a plurality of gear pairs are formed.
【０００８】なお、前述した複数の歯車対は、伝動軸
(１)側の駆動歯車(３)(４)(５)のいずれか又は全てを駆
動スプロケットホイ−ルとし、それに対応する変速軸
(２)側の従動歯車(３ａ)(４ａ)(５ａ)のいずれか又は全
てを従動スプロケットホイ−ルとして、それらの駆動ス
プロケットホイ−ルと従動スプロケットホイ−ルにチエ
ンを掛回してチエン伝動構造に構成される場合もあり、
本発明においては、チエン伝動構造のものも含んで歯車
対と称する。It should be noted that the above-mentioned plurality of gear pairs are the transmission shafts.
Any or all of the drive gears (3), (4), and (5) on the (1) side are used as drive sprocket wheels, and the corresponding shift shaft
Any or all of the driven gears (3a), (4a), and (5a) on the (2) side are used as driven sprocket wheels, and the chain is applied to the drive sprocket wheel and the driven sprocket wheel. Sometimes structured into a structure,
In the present invention, a gear pair including a chain transmission structure is also referred to as a gear pair.
【０００９】前記変速軸(２)側に遊嵌される従動歯車
(３ａ)(４ａ)(５ａ)の各々の軸孔部にはボ−ル嵌入溝
(１９)が刻設されていて、変速軸(２)側に支持されてい
るボ−ル(７)(８)(９)のいずれかの一部分が従動歯車
(３ａ)(４ａ)(５ａ)側のボ−ル嵌入溝(１９)に択一に嵌
入されると、その従動歯車(３ａ)又は(４ａ)若しくは
(５ａ)が変速軸(２)に選択的に連動結合されるようにな
っている。A driven gear that is loosely fitted to the speed change shaft (2) side.
(3a) (4a) (5a) each ball hole in the shaft hole
(19) is engraved and any one of the balls (7), (8) and (9) supported on the speed change shaft (2) side is a driven gear.
When the ball fitting groove (19) on the (3a), (4a), (5a) side is selectively fitted, the driven gear (3a) or (4a) or
(5a) is adapted to be selectively interlocked with the speed change shaft (2).
【００１０】前記ボ−ル(７)(８)(９)は、変速軸(２)の
所定位置に穿設されている半径方向のテ−パ−孔にそれ
ぞれ嵌入されて、変速軸(２)の半径方向に動き得るよう
に支承され、変速軸(２)の軸心孔に摺動自在に嵌挿した
作動杆(６)の張出し部(６ａ)によって択一に変速軸(２)
の周外方に押し出されて前記従動歯車側のボ−ル嵌入溝
(１９)に嵌入されるようになっている。また、前記作動
杆(６)は、軸受体(２０)と変速軸(２)に設けられている
支持孔(２１)に摺動自在に支えられ、回動支点軸(２２)
を中心として揺動する作動ア−ム(２３)によって摺動移
動されるようになっている。The balls (7), (8) and (9) are fitted into radial taper holes formed at predetermined positions of the speed change shaft (2), respectively, and the speed change shaft (2). ) Is movably supported in the radial direction, and the shift shaft (2) is alternatively provided by the overhanging portion (6a) of the operating rod (6) slidably inserted in the shaft center hole of the shift shaft (2).
The ball fitting groove on the side of the driven gear that is pushed outward
It is designed to fit in (19). The operating rod (6) is slidably supported by a bearing body (20) and a support hole (21) provided in the speed change shaft (2), and a rotation fulcrum shaft (22).
It is adapted to be slidably moved by an operating arm (23) which swings about.
【００１１】一方、前記伝動軸(１)のミッションケ−ス
(１８)外方延出部には、駆動源（図示省略）からの動力
を受けるプ−リ等の受動輪体(１４)が遊転状に設けられ
るとともに、受動輪体(１４)に隣接する部位に摩擦伝動
部(ＣＬ)が設けられて、受動輪体(１４)に受けた動力
を、後記に詳述する係合構造でもって摩擦伝動部(ＣＬ)
に伝達し、摩擦伝動部(ＣＬ)を経て伝動軸(１)に伝達す
るよう構成されている。On the other hand, the mission case of the transmission shaft (1)
(18) A passive wheel body (14) such as a pulley which receives power from a drive source (not shown) is provided in an outwardly extending portion in a free-wheeling manner and is adjacent to the passive wheel body (14). A friction transmission portion (CL) is provided at a portion where the friction transmission portion (CL) receives the power received by the passive wheel body (14) by an engagement structure described in detail later.
Is transmitted to the transmission shaft (1) via the friction transmission portion (CL).
【００１２】前記摩擦伝動部(ＣＬ)は、伝動軸(１)に遊
転支承するケ−シング(１０)に保持した摩擦駆動板(１
１)と、伝動軸(１)に楔着する受動体(１２)に保持した
受動板(１３)とを備え、それらの摩擦駆動板(１１)と受
動板(１３)を、受動輪体(１４)とケ−シング(１０)間に
介装する予圧バネ(１５)のバネ力でもって常時接合させ
るように構成されている。また、ケ−シング(１０)と受
動輪体(１４)の対向面部に、カム状係合部(１６)(１７)
が対設され、このカム状係合部(１６)(１７)を経て受動
輪体(１４)からケ−シング(１０)側に動力伝達されるよ
うになっている。The friction transmission portion (CL) is a friction drive plate (1) held by a casing (10) which is idled on the transmission shaft (1).
1) and a passive plate (13) held by a passive body (12) wedged to the transmission shaft (1), and the friction drive plate (11) and the passive plate (13) are connected to the passive wheel ( The preload spring (15) interposed between the casing (14) and the casing (10) is always connected by the spring force. Further, the cam-shaped engaging portions (16) and (17) are provided on the facing surfaces of the casing (10) and the passive wheel body (14).
Are opposed to each other, and power is transmitted from the passive wheel body (14) to the casing (10) side through the cam-shaped engaging portions (16) and (17).
【００１３】前記カム状係合部(１６)(１７)は、伝動軸
(１)に直交する平面(Ｆ)から横方に突出する凸部とそれ
に対応する凹部をケ−シング(１０)と受動輪体(１４)に
対向形設し、回転平面(Ｆ)に対して角度(ｄ)で傾斜する
両者の傾斜面(２４)(２５)が互いに接合するように構成
され、接合した傾斜面(２４)(２５)の回転によってケ−
シング(１０)を伝動軸(１)の軸心方向に移動させる推
力、つまり、前記摩擦駆動板(１１)と受動板(１３)の圧
接を増大させる方向の推力を起生するようになっている
（図２参照）。The cam-shaped engaging portions (16) and (17) are transmission shafts.
A convex portion projecting laterally from a plane (F) orthogonal to (1) and a concave portion corresponding to the convex portion are provided so as to face the casing (10) and the passive wheel body (14), and with respect to the rotation plane (F). The inclined surfaces (24) and (25) inclined by the angle (d) are joined to each other, and the case is formed by the rotation of the joined inclined surfaces (24) and (25).
A thrust force for moving the thing (10) in the axial direction of the transmission shaft (1), that is, a thrust force for increasing the pressure contact between the friction drive plate (11) and the passive plate (13) is generated. (See Figure 2).
【００１４】なお、カム状係合部(１６)(１７)は、図２
の実施例のように構成するほか、図３や図４に示してい
るように構成してもよく、図３に示しているものは、回
転方向において略菱形を呈する凹部をケ−シング(１０)
と受動輪体(１４)の対向面部に形設して同部分に伝動ボ
−ル(２６)を介装し、回転に伴って伝動ボ−ル(２６)が
菱形凹部の狭小部分に食い込んでケ−シング(１０)を伝
動軸(１)の軸心方向に移動させる推力を発生するように
構成している。The cam-shaped engaging portions (16) and (17) are shown in FIG.
In addition to the configuration of the embodiment of FIG. 3, it may be configured as shown in FIGS. 3 and 4, and in the configuration shown in FIG. )
And the passive wheel body (14) is formed on the opposing surface portion, and the transmission ball (26) is interposed in the same portion, and the transmission ball (26) bites into the narrow portion of the diamond-shaped recess as it rotates. The casing (10) is configured to generate a thrust force that moves the casing (10) in the axial direction of the transmission shaft (1).
【００１５】また、図４に示しているものは、ケ−シン
グ(１０)と受動輪体(１４)の対向面部に図２のものと同
様の凸部および凹部を対向形設するとともに、両者の回
転方向複数個所にバネ支持凹部(２７)を穿設して、それ
ぞれに予圧バネ(１５)を介装し、回転負荷が抜けた状態
においては予圧バネ(１５)のバネ力でもってケ−シング
(１０)と受動輪体(１４)の対向面部に隙間ができるよう
に保たれ、回転負荷がかかると凸部と凹部の接合によっ
てケ−シング(１０)を伝動軸(１)の軸心方向に移動させ
る推力が発生するように構成している。Further, in the structure shown in FIG. 4, the same convex and concave portions as those in FIG. 2 are provided so as to face each other on the facing surfaces of the casing (10) and the passive wheel body (14). The spring supporting recesses (27) are bored at a plurality of positions in the direction of rotation, and the preload springs (15) are interposed in each of them, and when the rotational load is removed, the spring force of the preload spring (15) is applied to the case. Thing
A gap is maintained between the opposing surface portions of (10) and the passive wheel body (14), and when a rotational load is applied, the casing (10) is joined by the protrusion and the recess to move the casing (10) in the axial direction of the transmission shaft (1). It is configured to generate thrust to move to.
【００１６】[0016]
【発明の効果】本発明における歯車変速装置のショック
防止構造は、伝動軸に固定される駆動歯車と、前記伝動
軸に平行な変速軸に遊嵌される従動歯車とが常時噛合す
る歯車対を複数装設し、従動歯車のいずれかを、変速軸
の軸心方向に摺動する作動杆の張出し部により径方向外
方に押し出されるボ−ルでもって択一に変速軸に連動結
合させるスライディングキ−式の歯車変速装置におい
て、前記伝動軸に遊転支承するケ−シング側に摩擦駆動
板を備え、伝動軸に嵌着固定する受動体側に受動板を備
えた摩擦伝動部を設けるとともに、前記ケ−シングの横
側隣接部位に受動輪体を遊嵌装設して、受動輪体とケ−
シングの間に、常時、摩擦駆動板と受動板を接合させる
方向の力を付与する予圧バネを介装し、且つ、受動輪体
とケ−シングの対向面部に、前記スライディングキ−式
歯車変速装置の歯車対のいずれかが伝動状態になるとや
や時間差をおいて摩擦駆動板と受動板の圧接を増大させ
る方向の推力を起生するカム状係合部を対設しているの
で、動力伝達状態のままで変速操作を容易に行うことが
できるにも拘らず、歯車対が伝動結合された途端に急激
な伝動ショックが起きるようなことがなくなって不安や
違和感のない円滑な変速が行われる。そして、いずれか
の歯車対が伝動状態にあるときに何らかの原因で過大負
荷がかかるようなことがあれば、摩擦駆動板と受動板の
間に滑りを生じてその過大負荷に対応することとなって
保護機能をも果たすことになる。The shock-preventing structure of the gear transmission according to the present invention includes a gear pair in which a drive gear fixed to a transmission shaft and a driven gear loosely fitted to a transmission shaft parallel to the transmission shaft are in constant mesh. Sliding, in which a plurality of driven gears are installed, and one of the driven gears is interlockingly coupled with the transmission shaft by a ball that is pushed outward in the radial direction by the overhanging portion of the operating rod that slides in the axial direction of the transmission shaft. In a key type gear transmission, a friction drive plate is provided on the casing side that is idle supported on the transmission shaft, and a friction transmission portion is provided on the passive body side that is fitted and fixed to the transmission shaft, and a friction transmission portion is provided. A passive wheel body is loosely fitted and installed at a portion adjacent to the lateral side of the casing so that the passive wheel body and the case
A preload spring that constantly applies a force in the direction of joining the friction drive plate and the passive plate is provided between the singles, and the sliding key type gear shift is provided on the opposing surface portion of the passive wheel body and the casing. When one of the gear pairs of the device is in the transmission state, there is a slight time lag, and the cam-shaped engaging parts that generate thrust in the direction of increasing the pressure contact between the friction drive plate and the passive plate are provided opposite to each other. Despite the fact that gear shifting can be performed easily in this state, a sudden transmission shock will not occur as soon as the gear pair is transmission-coupled, and smooth shifting without anxiety or discomfort can be performed. Be seen. If an excessive load is applied for any reason while one of the gear pairs is in the transmission state, a slip occurs between the friction drive plate and the passive plate to protect against the excessive load. It will also fulfill its function.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明構造が実施された歯車変速装置の断面図
である。FIG. 1 is a sectional view of a gear transmission in which the structure of the present invention is implemented.
【図２】本発明構造の要部を示す部分図である。FIG. 2 is a partial view showing a main part of the structure of the present invention.
【図３】本発明構造の変形例を示す部分図である。FIG. 3 is a partial view showing a modified example of the structure of the present invention.
【図４】本発明構造のもう一つの実施例を示す部分図で
ある。FIG. 4 is a partial view showing another embodiment of the structure of the present invention.
１ 伝動軸 ２ 変速軸 ３ 伝動軸に固定される歯車 ４ 伝動軸に固定される歯車 ５ 伝動軸に固定される歯車 ３ａ 変速軸に遊嵌される歯車 ４ａ 変速軸に遊嵌される歯車 ５ａ 変速軸に遊嵌される歯車 ６ 作動杆 ６ａ 張出し部 ７ ボ−ル ８ ボ−ル ９ ボ−ル １０ ケ−シング １１ 摩擦駆動板 １２ 受動体 １３ 受動板 １４ 受動輪体 １５ 予圧バネ １６ カム状部 １７ カム状部 ＣＬ 摩擦伝動部 DESCRIPTION OF SYMBOLS 1 transmission shaft 2 speed change shaft 3 gear fixed to the transmission shaft 4 gear fixed to the transmission shaft 5 gear fixed to the transmission shaft 3a gear loosely fitted to the speed change shaft 4a gear loosely fitted to the speed change shaft 5a speed change Gear 6 loosely fitted to shaft 6 Actuating rod 6a Overhanging portion 7 Ball 8 Ball 9 Ball 10 Casing 11 Friction drive plate 12 Passive body 13 Passive plate 14 Passive wheel body 15 Preload spring 16 Cam-shaped portion 17 Cam-shaped part CL Friction transmission part
Claims (1)
(４)(５)と、前記伝動軸(１)に平行な変速軸(２)に遊嵌
される従動歯車(３ａ)(４ａ)(５ａ)とが常時噛合する歯
車対を複数装設し、従動歯車(３ａ)(４ａ)(５ａ)のいず
れかを、変速軸(２)の軸心方向に摺動移動する作動杆
(６)の張出し部(６ａ)により径方向外方に押し出される
ボ−ル(７)(８)(９)でもって択一に変速軸(２)に連動結
合させるスライディングキ−式の歯車変速装置におい
て、前記伝動軸(１)に遊転支承するケ−シング(１０)側
に摩擦駆動板(１１)を備え、伝動軸(１)に嵌着固定する
受動体(１２)側に受動板(１３)を備えた摩擦伝動部(Ｃ
Ｌ)を設けると共に、前記ケ−シング(１０)の横側隣接
部位に受動輪体(１４)を遊嵌装設して、受動輪体(１４)
とケ−シング(１０)の間に、常時、摩擦駆動板(１１)と
受動板(１３)を接合させる方向の力を付与する予圧バネ
(１５)を介装し、且つ、受動輪体(１４)とケ−シング
(１０)の対向面部に、前記スライディングキ−式歯車変
速装置の歯車対のいずれかが伝動状態になるとやや時間
差をおいて摩擦駆動板(１１)と受動板(１３)の圧接を増
大させる方向の推力を起生するカム状係合部(１６)(１
７)を対設してあることを特徴とする歯車変速装置のシ
ョック防止構造。1. A drive gear (3) fixed to a transmission shaft (1)
(4) A plurality of gear pairs are provided in which (5) and the driven gears (3a) (4a) (5a) which are loosely fitted to the transmission shaft (2) parallel to the transmission shaft (1) are constantly meshed. , An operating rod that slides one of the driven gears (3a) (4a) (5a) in the axial direction of the speed change shaft (2).
Sliding key type gear shift, in which the balls (7), (8) and (9) pushed outward in the radial direction by the overhanging portion (6a) of (6) are interlockingly coupled to the shift shaft (2). In the device, a friction drive plate (11) is provided on the side of the casing (10) that is idled on the transmission shaft (1), and a passive plate is provided on the side of the passive body (12) that is fitted and fixed to the transmission shaft (1). Friction transmission (C) with (13)
L) is provided, and the passive wheel body (14) is loosely fitted and installed at the laterally adjacent portion of the casing (10) to provide the passive wheel body (14).
Preload spring that constantly applies a force between the friction drive plate (11) and the passive plate (13) between the casing and the casing (10).
Interposing (15) and casing with passive wheel (14)
A direction to increase the pressure contact between the friction drive plate (11) and the passive plate (13) with a slight time lag when one of the pair of gears of the sliding key type gear transmission is in a transmission state on the facing surface portion of (10). Cam-like engagement part (16) (1) that generates thrust of
7) A shock-preventing structure for a gear transmission, characterized in that they are provided opposite to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7267743A JPH0989103A (en) | 1995-09-20 | 1995-09-20 | Shock preventing structure of geared speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7267743A JPH0989103A (en) | 1995-09-20 | 1995-09-20 | Shock preventing structure of geared speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0989103A true JPH0989103A (en) | 1997-03-31 |
Family
ID=17448962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7267743A Pending JPH0989103A (en) | 1995-09-20 | 1995-09-20 | Shock preventing structure of geared speed changer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0989103A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010510464A (en) * | 2006-11-22 | 2010-04-02 | ゼロシフト リミテッド | transmission |
| JP2014035022A (en) * | 2012-08-08 | 2014-02-24 | Fuji Heavy Ind Ltd | Transmission |
| CN105156604A (en) * | 2015-07-05 | 2015-12-16 | 华东交通大学 | Moving-shaft type power transmission applied to hole digger for southern mountainous gardens |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0277349U (en) * | 1988-12-02 | 1990-06-13 | ||
| JPH05256329A (en) * | 1991-12-28 | 1993-10-05 | Ito Denki Kk | Driving force transmission device |
| JPH0684027U (en) * | 1993-05-17 | 1994-12-02 | 伊東電機株式会社 | Torque limiter |
-
1995
- 1995-09-20 JP JP7267743A patent/JPH0989103A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0277349U (en) * | 1988-12-02 | 1990-06-13 | ||
| JPH05256329A (en) * | 1991-12-28 | 1993-10-05 | Ito Denki Kk | Driving force transmission device |
| JPH0684027U (en) * | 1993-05-17 | 1994-12-02 | 伊東電機株式会社 | Torque limiter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010510464A (en) * | 2006-11-22 | 2010-04-02 | ゼロシフト リミテッド | transmission |
| JP2014035022A (en) * | 2012-08-08 | 2014-02-24 | Fuji Heavy Ind Ltd | Transmission |
| CN105156604A (en) * | 2015-07-05 | 2015-12-16 | 华东交通大学 | Moving-shaft type power transmission applied to hole digger for southern mountainous gardens |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2867719B2 (en) | Electronically controlled differential limiter | |
| JPH02261950A (en) | Loading cam device of toroidal continuous variable transmission | |
| JP3703444B2 (en) | Friction clutch for vehicle | |
| JP3772736B2 (en) | Planetary gear unit | |
| KR20010007491A (en) | Friction clutch and automatic transmission of automobile using the same and non-stage transmission of automobile, and power distribution device of automobile and power transmission device of motorcycle | |
| JPH01299358A (en) | Device for loading cam | |
| JPH0925959A (en) | Two-way differential clutch | |
| JPH0989103A (en) | Shock preventing structure of geared speed changer | |
| US6024197A (en) | Support structure for clutch hub | |
| JP4280077B2 (en) | One-way clutch device | |
| JP2581965B2 (en) | Power transmission device | |
| EP1205682A2 (en) | Speed controlled freewheel clutch device | |
| JPS6335850B2 (en) | ||
| US6422371B1 (en) | Centrifugal friction clutch for automatic transmission | |
| KR100631294B1 (en) | 2-way differential clutch | |
| JP3707533B2 (en) | Torque limiting mechanism for continuously variable transmission with infinite gear ratio | |
| JPS59155630A (en) | Torsional vibration absorption device for vehicle power transmission system | |
| JP2635386B2 (en) | clutch | |
| JPS62127555A (en) | Pre-load mechanism for rolling friction transmission | |
| KR100387516B1 (en) | A dual clutch | |
| JP4378671B2 (en) | Toroidal continuously variable transmission | |
| JPH0633809B2 (en) | Torque cam device | |
| JP2006057802A (en) | Reverse input cut-off device | |
| GB2034423A (en) | Differential drive mechanism | |
| JP2554336Y2 (en) | Automatic centrifugal clutch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20040323 |