JPH0740117Y2 - Transmission - Google Patents

Transmission

Info

Publication number
JPH0740117Y2
JPH0740117Y2 JP1989106855U JP10685589U JPH0740117Y2 JP H0740117 Y2 JPH0740117 Y2 JP H0740117Y2 JP 1989106855 U JP1989106855 U JP 1989106855U JP 10685589 U JP10685589 U JP 10685589U JP H0740117 Y2 JPH0740117 Y2 JP H0740117Y2
Authority
JP
Japan
Prior art keywords
shaft
rotation transmission
transmission
cylinder shaft
grease
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
Application number
JP1989106855U
Other languages
Japanese (ja)
Other versions
JPH0346058U (en
Inventor
貢 古林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Original Assignee
Kubota Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kubota Corp filed Critical Kubota Corp
Priority to JP1989106855U priority Critical patent/JPH0740117Y2/en
Publication of JPH0346058U publication Critical patent/JPH0346058U/ja
Application granted granted Critical
Publication of JPH0740117Y2 publication Critical patent/JPH0740117Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、回転伝動筒軸の一端側を回転伝動軸に外嵌す
ると共に一体回転可能にスプライン係合させ、前記回転
伝動筒軸に付設されたクラッチのための操作軸を前記回
転伝動筒軸の軸芯方向に摺動操作自在に前記回転伝動筒
軸の他端側に内嵌してある伝動装置に関する。
DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is to attach one end side of a rotary transmission cylinder shaft to the rotation transmission shaft and to spline-engage the same so that the rotation transmission shaft is integrally rotatably attached to the rotation transmission cylinder shaft. And a transmission device in which an operating shaft for the above-mentioned clutch is slidably operated in the axial direction of the rotary transmission cylinder shaft at the other end side of the rotary transmission cylinder shaft.

〔従来の技術〕[Conventional technology]

上記伝動装置において、従来、第4図に示すように、回
転伝動筒軸(6)と回転伝動軸(5)がスプライン係合
している箇所に酸化が発生しにくいようにグリース供給
をすると、回転伝動筒軸(6)と回転伝動軸(5)の間
隙がグリースで詰まり、操作軸(8)の摺動に伴い筒軸
内部の吸排気が発生しにくい構造となっていた。
In the above transmission device, conventionally, as shown in FIG. 4, when grease is supplied to the place where the rotary transmission cylindrical shaft (6) and the rotary transmission shaft (5) are spline-engaged so that oxidation is less likely to occur, The gap between the rotary transmission cylinder shaft (6) and the rotation transmission shaft (5) was clogged with grease, so that intake and exhaust inside the cylinder shaft did not easily occur as the operation shaft (8) slides.

〔考案が解決しようとする課題〕[Problems to be solved by the device]

従来、回転伝動筒軸及び回転伝動軸のスプライン部の酸
化防止を図ると、前記吸排気不良のために操作軸の摺動
抵抗が大になっていた。
Conventionally, if the rotation transmission cylinder shaft and the spline portion of the rotation transmission shaft are prevented from being oxidized, the sliding resistance of the operation shaft is increased due to the poor intake and exhaust.

本考案の目的は酸化防止が操作軸の摺動抵抗増大を抑制
しながらできるように改造することにある。
An object of the present invention is to modify the apparatus so that it can prevent oxidation while suppressing an increase in sliding resistance of the operating shaft.

〔課題を解決するための手段〕[Means for Solving the Problems]

本考案による伝動装置にあっては、目的達成のために、
前記回転伝動筒軸の前記回転伝動軸と係合するスプライ
ン部分に対して前記操作軸とは反対側に位置する個所
と、前記回転伝動軸との間にオイルシール材を設け、前
記回転伝動筒軸の内部にグリース溜まり室を前記回転伝
動軸と前記操作軸とによって形成し、前記グリース溜ま
り室と大気を連通させる通気路を前記回転伝動軸に穿設
し、空気流通を許容すると共にグリース流通を抑制する
フィルターを前記通気路に設けてある。そして、その作
用及び効果は次のとおりである。
In the transmission device according to the present invention, in order to achieve the purpose,
An oil seal member is provided between the rotation transmission shaft and a portion of the rotation transmission shaft that is opposite to the operation shaft with respect to a spline portion that engages with the rotation transmission shaft. A grease reservoir chamber is formed inside the shaft by the rotation transmission shaft and the operation shaft, and a ventilation passage for communicating the grease reservoir chamber with the atmosphere is formed in the rotation transmission shaft to allow air circulation and grease circulation. A filter for suppressing the above is provided in the ventilation passage. The action and effect are as follows.

〔作用〕[Action]

回転伝動筒軸と回転伝動軸がスプライン係合する箇所に
グリース供給をして該箇所の通気が不能になっても、操
作軸の摺動時にグリース溜まり室がフィルター及び通気
路を介して吸排気し、従来構造の場合に比して軽く操作
軸が摺動する。
Even if grease is supplied to the position where the rotary transmission cylinder shaft and the rotary transmission shaft are spline-engaged and ventilation cannot be achieved at that place, the grease reservoir chamber will absorb and exhaust air through the filter and ventilation passage when the operating shaft slides. However, the operating shaft slides lightly compared with the conventional structure.

操作軸が摺動される際に、回転伝動筒軸と回転伝動軸の
スプライン部に在るグリースがスプライン部から軸外に
押し出されたり、筒軸内の回転伝動軸と操作軸の間に吸
い出されることがオイルシール材、フィルター、及び、
回転伝動軸と操作軸の間のグリース溜まりにより防止さ
れ、供給グリースがスプライン部に滞留する。
When the operating shaft slides, the grease on the rotary transmission cylinder shaft and the spline part of the rotary transmission shaft is pushed out of the spline part or sucked between the rotation transmission shaft inside the cylinder shaft and the operation shaft. Oil seals, filters, and
It is prevented by the grease accumulation between the rotary transmission shaft and the operation shaft, and the supplied grease stays in the spline portion.

〔考案の効果〕[Effect of device]

回転伝動筒軸と回転伝動軸のスプライン係合部に酸化が
生じにくいようにグリーース滞留をさせ、酸化摩耗を発
生しにくくして長期使用をできるようにできた。
The spline engagement part between the rotary transmission shaft and the rotary transmission shaft was made to retain grease to prevent oxidation, and oxidation wear was less likely to occur to enable long-term use.

しかも、操作軸を比較的軽く摺動操作し、クラッチ操作
が軽快にできるとか、比較的出力の小さい小型のアクチ
ュエータでも有利にできるようにできた。さらには、操
作軸摺動が硬い場合のように操作軸操作に伴って諸部材
が変形する等のトラブルを回避し、この面からも長期使
用が可能になる。
Moreover, the operation shaft can be slid relatively lightly to make the clutch operation light, and it is possible to make an advantage even with a small actuator having a relatively small output. Furthermore, troubles such as deformation of various members associated with the operation of the operation shaft, such as when the operation shaft slides hard, can be avoided, and from this aspect, long-term use becomes possible.

〔実施例〕〔Example〕

次に実施例を示す。 Next, examples will be shown.

第3図に示すように、エンジン(E)の前方にエンジン
冷却用ラジエータ(R)を設置し、そして、このラジエ
ータ(R)の背後に冷却ファン(F)を配置すると共
に、この冷却ファン(F)がミッションケース(M)を
有する伝動装置をして伝達されるエンジン出力により回
転駆動されてラジエータ(R)に冷却風を供給するよう
に構成して、乗用型芝刈り機用のエンジン冷却装置を構
成してある。
As shown in FIG. 3, an engine cooling radiator (R) is installed in front of the engine (E), and a cooling fan (F) is arranged behind the radiator (R), and at the same time, the cooling fan ( F) is configured to be rotationally driven by an engine output transmitted through a transmission having a mission case (M) to supply cooling air to a radiator (R), and engine cooling for a riding lawn mower. The device is configured.

すなわち、エンジン出力軸(1)に発電機用伝動ベルト
プーリ(2)、板金製のプーリ側連結具(3)と軸側連
結具(4)が備えられた軸継手を介して回動力伝達され
るように、かつ、エンジン出力軸(1)と同一の軸芯周
りで回動するように回転伝動軸(5)を連結し、そし
て、ミッションケース(M)の入力筒軸(6)の一端側
を前記回転伝動軸(5)に外嵌すると共にスプライン係
合させて、入力筒軸(6)と回転伝動軸(5)が一体に
回動するように構成することにより、エンジン(E)の
回転出力が入力筒軸(6)に伝達されるようにしてあ
る。そして、入力筒軸(6)に相対回転可能に取付けた
一対の伝動ギア(7a),(7b)の一方(7a)と入力筒軸
(6)の間、及び、他方の伝動ギア(7b)と入力筒軸
(6)の間に多板式摩擦クラッチ(C1)または(C2)を設け
ると共に、入力筒軸(6)に内嵌してある操作軸(8)
をこの操作軸(8)のミッションケース外端部に連結し
てある連動アーム(9)を介して電動アクチュエータ
(図示せず)により入力筒軸(6)の軸芯方向に摺動操
作すると、入力筒軸(6)のクラッチ取付け部(6a)に
第2図の如く枢着してある複数本のクラッチ操作部材
(10)…が一端側での操作軸(8)との係合のために枢
支軸芯(P)の周りで揺動して摩擦クラッチ(C1)と(C2)
のいずれかに対して入り操作作用したり、いずれもに対
して切り操作作用することにより、摩擦クラッチ(C1),
(C2)のいずれか一方のみが入りになったり、いずれもが
切りになるように構成してある。そして、摩擦クラッチ
(C1)が入になると、入力筒軸(6)の回転力を伝動ギア
(7a)、及び、この伝動ギア(7a)に咬合する出力軸ギ
ア(11a)を介し、冷却ファン(F)の付設されている
出力軸(12)に伝達し、摩擦クラッチ(C2)が入りになる
と、入力筒軸(6)の回動力を伝動ギア(7b)、逆転軸
(13)、この逆転軸(13)に連動する出力軸ギア(11
b)を介して出力軸(12)に伝達するように、この場合
には逆転軸(13)が介在することにより、摩擦クラッチ
(C1)が入り操作された場合の回転方向とは逆の回転方向
に出力軸(12)が回動するように構成してある。
That is, rotational power is transmitted to the engine output shaft (1) through a shaft coupling provided with a power transmission belt pulley (2), a sheet metal pulley-side coupling tool (3) and a shaft-side coupling tool (4). And the rotation transmission shaft (5) is connected so as to rotate around the same axis as the engine output shaft (1), and one end of the input cylinder shaft (6) of the transmission case (M) The engine (E) is configured such that the side is externally fitted to the rotation transmission shaft (5) and spline-engaged so that the input cylinder shaft (6) and the rotation transmission shaft (5) rotate integrally. The rotation output of is transmitted to the input cylinder shaft (6). Then, between the input cylinder shaft (6) and one of the pair of transmission gears (7a) and (7b) mounted on the input cylinder shaft (6) so as to be relatively rotatable, and the other transmission gear (7b). A multi-plate friction clutch (C 1 ) or (C 2 ) is provided between the input cylinder shaft (6) and the operation shaft (8) internally fitted to the input cylinder shaft (6).
Is slid in the axial direction of the input cylinder shaft (6) by an electric actuator (not shown) via an interlocking arm (9) connected to the outer end of the transmission case of the operation shaft (8), A plurality of clutch operating members (10) pivotally attached to the clutch mounting portion (6a) of the input cylinder shaft (6) as shown in FIG. 2 for engagement with the operating shaft (8) at one end side. Oscillate around the pivot axis (P) to friction clutches (C 1 ) and (C 2 )
The friction clutch (C 1 ),
Only one of (C 2 ) is turned on or both are turned off. And friction clutch
When (C 1 ) is turned on, the rotational force of the input cylinder shaft (6) is transmitted through the transmission gear (7a) and the output shaft gear (11a) that meshes with this transmission gear (7a), and then the cooling fan (F) When it is transmitted to the output shaft (12) attached to the and the friction clutch (C 2 ) is turned on, the rotational power of the input cylinder shaft (6) is transmitted to the transmission gear (7b), the reverse rotation shaft (13), and the reverse rotation shaft. Output shaft gear (11)
In this case, the reverse rotation shaft (13) is interposed so that the friction clutch is transmitted to the output shaft (12) via b).
The output shaft (12) is configured to rotate in a rotation direction opposite to the rotation direction when (C 1 ) is turned on and operated.

つまり、エンジン出力軸(1)の回動力を回転伝動軸
(5)、入力筒軸(6)、摩擦クラッチ(C1)または(C2)
等を介し、冷却ファン(F)の回転支軸としての出力軸
(12)に伝達するようにしてある。そして、一方の摩擦
クラッチ(C1)または(C2)が入り操作されると、冷却ファ
ン(F)がラジエータ(R)にその前側から後側に流動
する正方向冷却風を供給する回転方向で回動するように
回動力伝達し、他方の摩擦クラッチ(C2)または(C1)が入
り操作されると、冷却ファン(F)がラジエータ(R)
にその後側から前側に流動する逆方向冷却風を供給し、
正方向冷却風の供給時にラジエータ(R)に付着した塵
埃の除去をする回転方向で回動するように回動力伝達す
るようにしてある。
That is, the rotational power of the engine output shaft (1) is transferred to the rotary transmission shaft (5), the input cylinder shaft (6), the friction clutch (C 1 ) or (C 2 ).
And the like through the output shaft (12) as a rotation support shaft of the cooling fan (F). When one of the friction clutches (C 1 ) or (C 2 ) is turned on and operated, the cooling fan (F) supplies the radiator (R) with the positive direction cooling air flowing from the front side to the rear side of the radiator (R). When the friction clutch (C 2 ) or (C 1 ) is turned on and operated, the cooling fan (F) causes the radiator (R) to rotate.
The reverse cooling air flowing from the rear side to the front side is supplied to
When the forward direction cooling air is supplied, the rotational power is transmitted so as to rotate in a rotation direction for removing dust adhering to the radiator (R).

入力筒軸(6)と回転伝動軸(5)がスプライン係合し
ている箇所にスプライン部の酸化防止を図るグリースを
供給し、かつ、入力筒軸(6)の内部に回転伝動軸
(5)と操作軸(8)とによってグリース溜まり室(1
4)を形成すると共にこのグリース溜まり室(14)にグ
リース供給をしてある。そして、入力筒軸(6)の回転
伝動軸(5)と係合するスプライン部分(6b)に対して
操作軸(8)とは反対側に位置する箇所と回転伝動軸
(5)の間にオイルシール材の一例としてのOリング
(15)を設け、回転伝動軸(5)に一端側がグリース溜
まり室(14)に、かつ、他端側が軸外部に夫々開口する
ようにして穿設した孔により、グリース溜まり室(14)
と大気とを連通させる通気路(16)を形成すると共にこ
の通気路(16)のグリース溜まり室側の大径部分(16
a)にスポンジ(17)を設けてある。このスポンジ(1
7)は空気流通を許容すると共にグリース流通を抑制す
る性状に形成してあり、グリース溜まり室(14)が操作
軸(8)の摺動に伴ってスポンジ(17)及び通気路(1
6)を介して吸排気し、操作軸(8)の軽操作力で操作
が可能となるように配慮し、かつ、入力筒軸(6)と回
転伝動軸(5)のスプライン係合箇所に在るグリースが
摺動する操作軸(8)のポンプ作用のために軸外に押し
出されたり、グリース溜まり室(14)に吸い出されるこ
とを、Oリング(15)及びスポンジ(17)のシール作用
とグリース溜まり室(14)におけるグリース充填とによ
って防止するように構成してある。
Grease for preventing oxidation of the spline portion is supplied to a place where the input cylinder shaft (6) and the rotary transmission shaft (5) are in spline engagement, and the rotation transmission shaft (5) is provided inside the input cylinder shaft (6). ) And the operating shaft (8), the grease reservoir (1
4) is formed and grease is supplied to the grease reservoir chamber (14). Then, between the rotation transmission shaft (5) and a position located on the side opposite to the operation shaft (8) with respect to the spline portion (6b) that engages with the rotation transmission shaft (5) of the input cylinder shaft (6). A hole formed by providing an O-ring (15) as an example of an oil seal member, and opening the rotary transmission shaft (5) so that one end side is opened in the grease storage chamber (14) and the other end side is opened outside the shaft. Allows the grease reservoir chamber (14)
And a large-diameter portion (16) of the ventilation passage (16) on the grease reservoir side is formed.
A sponge (17) is provided in a). This sponge (1
7) is formed so as to allow air flow and suppress grease flow, and the grease reservoir chamber (14) slides along with the operating shaft (8) to sponge (17) and air passage (1).
Intake and exhaust via 6) to allow operation with a light operating force of the operating shaft (8), and at the spline engagement points of the input cylinder shaft (6) and the rotary transmission shaft (5). Sealing of the O-ring (15) and sponge (17) prevents the existing grease from being pushed out of the shaft due to the pumping action of the sliding operation shaft (8) or sucked out into the grease storage chamber (14). It is configured to prevent this by the action and the filling of grease in the grease reservoir chamber (14).

〔別実施例〕[Another embodiment]

スポンジ(17)に替えて布材や綿材を採用してもよいの
であり、これらをフィルター(17)と総称する。
A cloth material or a cotton material may be adopted instead of the sponge (17), and these are collectively referred to as a filter (17).

入力筒軸(6)に替え、これと同様の伝動作用をする状
態で、かつ、ケースに内装されない露出状態で設置され
る筒軸を有する伝動装置にも本考案は適用できる。した
がって、入力筒軸(6)を回転伝動筒軸(6)と称す
る。
The present invention can also be applied to a transmission device having a cylinder shaft that is installed in an exposed state that is not installed in the case, in place of the input cylinder shaft (6), for the same transmission operation. Therefore, the input cylinder shaft (6) is referred to as a rotation transmission cylinder shaft (6).

尚、実用新案登録請求の範囲の項に図面との対照を便利
にする為に符号を記すが、該記入により本考案は添付図
面の構造に限定されるものではない。
It should be noted that reference numerals are added to the claims of the utility model for convenience of comparison with the drawings, but the present invention is not limited to the structure of the accompanying drawings by the entry.

【図面の簡単な説明】[Brief description of drawings]

図面は本考案に係る伝動装置の実施例を示し、第1図は
伝動機構の展開断面図、第2図は操作部材配設部の断面
図、第3図はエンジン冷却装置の側面図である。第4図
は従来装置における伝動軸連結部の断面図である。 (5)……回転伝動軸、(6)……回転伝動筒軸、(6
b)……スプライン部分、(8)……操作軸、(14)…
…グリース溜まり室、(15)……オイルシール材、(1
6)……通気路、(17)……フィルター、(C1),(C2)……
クラッチ。
The drawings show an embodiment of a transmission device according to the present invention. FIG. 1 is a developed sectional view of a transmission mechanism, FIG. 2 is a sectional view of an operating member disposition portion, and FIG. 3 is a side view of an engine cooling device. . FIG. 4 is a sectional view of a transmission shaft connecting portion in a conventional device. (5) …… Rotation transmission shaft, (6) …… Rotation transmission cylinder shaft, (6
b) …… Spline part, (8) …… Operation axis, (14)…
… Grease chamber, (15) …… Oil seal material, (1
6) …… Ventilation path, (17) …… Filter, (C 1 ), (C 2 ) ……
clutch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】回転伝動筒軸(6)の一端側を回転伝動軸
(5)に外嵌すると共に一体回動可能にスプライン係合
させ、前記回転伝動筒軸(6)に付設されたクラッチ(C
1),(C2)のための操作軸(8)を前記回転伝動筒軸
(6)の軸芯方向に摺動操作自在に前記回転伝動筒軸
(6)の他端側に内嵌してある伝動装置であって、前記
回転伝動筒軸(6)の前記回転伝動軸(5)と係合する
スプライン部分(6b)に対して前記操作軸(8)とは反
対側に位置する個所と、前記回転伝動軸(5)との間に
オイルシール材(15)を設け、前記回転伝動筒軸(6)
の内部にグリース溜まり室(14)を前記回転伝動軸
(5)と前記操作軸(8)とによって形成し、前記グリ
ース溜まり室(14)と大気を連通させる通気路(16)を
前記回転伝動軸(5)に穿設し、空気流通を許容すると
共にグリース流通を抑制するフィルター(17)を前記通
気路(16)に設けてある伝動装置。
1. A clutch attached to the rotary transmission cylinder shaft (6), wherein one end of the rotation transmission cylinder shaft (6) is fitted onto the rotation transmission shaft (5) and is spline-engaged so as to be integrally rotatable. (C
The operation shaft (8) for 1 ) and (C 2 ) is slidably operated in the axial direction of the rotation transmission cylinder shaft (6) and is fitted in the other end side of the rotation transmission cylinder shaft (6). A transmission device which is located on the opposite side of the operation shaft (8) with respect to the spline portion (6b) of the rotation transmission cylinder shaft (6) engaging with the rotation transmission shaft (5). And an oil seal material (15) between the rotation transmission shaft (5) and the rotation transmission shaft (5), and the rotation transmission cylinder shaft (6).
A grease reservoir chamber (14) is formed by the rotary transmission shaft (5) and the operation shaft (8) inside, and a ventilation passage (16) communicating the grease reservoir chamber (14) with the atmosphere is provided through the rotary transmission. A transmission device in which a filter (17) provided in the shaft (5) to allow air flow and to suppress grease flow is provided in the air passage (16).
JP1989106855U 1989-09-12 1989-09-12 Transmission Expired - Lifetime JPH0740117Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989106855U JPH0740117Y2 (en) 1989-09-12 1989-09-12 Transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989106855U JPH0740117Y2 (en) 1989-09-12 1989-09-12 Transmission

Publications (2)

Publication Number Publication Date
JPH0346058U JPH0346058U (en) 1991-04-26
JPH0740117Y2 true JPH0740117Y2 (en) 1995-09-13

Family

ID=31655575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989106855U Expired - Lifetime JPH0740117Y2 (en) 1989-09-12 1989-09-12 Transmission

Country Status (1)

Country Link
JP (1) JPH0740117Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1318406B1 (en) * 2000-03-17 2003-08-25 Alpine Stars Spa MOTORCYCLE GLOVE.

Also Published As

Publication number Publication date
JPH0346058U (en) 1991-04-26

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