JPH029139Y2 - - Google Patents
Info
- Publication number
- JPH029139Y2 JPH029139Y2 JP1983143319U JP14331983U JPH029139Y2 JP H029139 Y2 JPH029139 Y2 JP H029139Y2 JP 1983143319 U JP1983143319 U JP 1983143319U JP 14331983 U JP14331983 U JP 14331983U JP H029139 Y2 JPH029139 Y2 JP H029139Y2
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- joint
- ball
- transmission
- adjacent shafts
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims description 23
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Arrangement Of Transmissions (AREA)
- Motor Power Transmission Devices (AREA)
Description
【考案の詳細な説明】
本考案は伝動軸、例えば乗用型芝刈機等の作業
機において走行用動力を伝達するのに用いる伝動
軸の継手装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a coupling device for a power transmission shaft, for example, a power transmission shaft used to transmit driving power in a working machine such as a riding lawnmower.
例えば第１図に示す乗用型芝刈機において車体
１の前部に搭載したエンジン２からの動力をクラ
ンク軸３またはそれに連結した軸等の駆動側の軸
１９からクラツチ入力軸等の被動側の軸１０に伝
達し、クラツチ５・変速機６等を介して後車輪７
に伝達する場合、駆動側の軸１９と被動側の軸１
０とはエンジン振動等による軸線の多少の傾動は
許容できるようにすると共に、エンジンの振動等
を緩衝する機能を持たせることが望ましい。 For example, in the riding type lawn mower shown in FIG. 1, power from an engine 2 mounted on the front of a vehicle body 1 is transferred from a driving side shaft 19 such as a crankshaft 3 or a shaft connected thereto to a driven side shaft such as a clutch input shaft. 10, and is transmitted to the rear wheel 7 via the clutch 5, transmission 6, etc.
When transmitting data to the driving side shaft 19 and the driven side shaft 1
0 means that it is possible to allow some tilting of the axis due to engine vibrations, etc., and it is desirable to have a function of buffering engine vibrations, etc.
そこで従来、例えば自動車の伝動軸において、
駆動側の軸と被動側の軸との間に中間軸を設け、
その各隣り合う軸の少なくとも一方を管軸とし、
その管軸内に球関節継手を介して他方の軸を傾動
可能に嵌合すると共に、上記球関節継手の外方に
隣り合う軸を傾動可能に連結する自在継手を設け
たものは知られている（例えば実公昭36−19908
号公報参照）。 Therefore, conventionally, for example, in the transmission shaft of an automobile,
An intermediate shaft is provided between the driving side shaft and the driven side shaft,
At least one of the adjacent axes is a tube axis,
It is known that the other shaft is tiltably fitted into the tube shaft via a ball joint, and a universal joint is provided outside the ball joint to connect the adjacent shafts tiltably. (e.g. 19908-19908)
(see publication).
ところが上記従来の継手装置は、自在継手とし
て可撓性の平ベルトを井桁状に組み、隣り合う軸
に固定の連結腕間に多数のボルト・ナツトで組付
けるものであるから、部品点数・組立工数が嵩
み、製作・メンテナンスが大変面倒である等の問
題があつた。 However, in the above-mentioned conventional joint device, flexible flat belts are assembled in a grid pattern as a universal joint, and are assembled between connecting arms fixed to adjacent shafts using a large number of bolts and nuts, which reduces the number of parts and assembly. There were problems such as increased man-hours and production and maintenance were very troublesome.
本考案は上記の点に鑑みて提案されたもので、
部品点数が少なく製作組付及びメンテナンスが容
易な伝動軸の継手装置を提供することを目的とす
る。 This invention was proposed in view of the above points,
It is an object of the present invention to provide a coupling device for a power transmission shaft that has a small number of parts and is easy to manufacture, assemble, and maintain.
その目的を達成するために、本考案は以下の構
成としたものである。即ち、駆動側の軸１９と被
動側の軸１０との間に中間軸４を設け、その各隣
り合う軸１９，４，４，１０の少なくとも一方を
管軸１９，１０とし、その管軸内に球関節継手
９，９ａを介して他方の軸を傾動可能に嵌合する
と共に、上記球関節継手の外方に隣り合う軸１
９，４，４，１０を連結する自在継手を設けた伝
動軸の継手装置において、上記の隣り合う軸の少
なくとも一方を上記球関節継手に対して抜き差し
自在に構成すると共に、自在継手を構成する横断
面非円形の伝動用緩衝ゴム体８，８ａと、その外
周面に抜き差し自在に密着嵌合する横断面非円形
の伝動用筒体２３，２３ａとを、前記管軸外周面
と他方の軸４とにそれぞれ一体的に設けたことを
特徴とする。 In order to achieve this objective, the present invention has the following configuration. That is, the intermediate shaft 4 is provided between the shaft 19 on the driving side and the shaft 10 on the driven side, and at least one of the adjacent shafts 19, 4, 4, 10 is a tube shaft 19, 10. The other shaft is tiltably fitted to the shaft 1 through the ball joint joints 9 and 9a, and the shaft 1 adjacent to the outside of the ball joint
9, 4, 4, and 10, in which at least one of the adjacent shafts is configured to be freely inserted into and removed from the ball joint, and a universal joint is configured. The transmission buffer rubber bodies 8, 8a having a non-circular cross section and the transmission cylinders 23, 23a having a non-circular cross section which are closely fitted to the outer circumferential surface of the rubber bodies 8, 8a and can be freely inserted and removed are connected to the outer circumferential surface of the tube shaft and the other shaft. It is characterized by being provided integrally with 4 and 4 respectively.
上記管軸１９はクランク軸３の延長上に設けた
もので、そのクランク軸３の端部にはフライホイ
ール１１がナツト１２で締付け固定され、そのフ
ライホイール１１にエンジン冷却用フアン１３と
ブラケツト１４とがボルト１５で取付けられてい
る。そして上記の管軸１９を溶接等で固着した取
付座１６を上記のブラケツト１４にボルト１７・
ナツト１８で取付けたものである。 The tube shaft 19 is provided as an extension of the crankshaft 3. A flywheel 11 is fastened to the end of the crankshaft 3 with a nut 12, and an engine cooling fan 13 and a bracket 14 are attached to the flywheel 11. are attached with bolts 15. Then, attach the mounting seat 16 to which the tube shaft 19 is fixed by welding or the like to the bracket 14 with the bolts 17.
It is attached with nut 18.
一方、上記中間軸４は本例においては管軸が用
いられ、その両端部の内孔に延長軸２０，２０ａ
を嵌合固着し、その一方の延長軸２０の端部を前
記の管軸１９に、他方の延長軸２０ａの端部を管
軸１０に夫々挿入している。そして、その両延長
軸２０，２０ａと管軸１９，１０の内孔とに球面
継手素子２１，２２，２１ａ，２２ａを対応的に
設けて球関節継手９，９ａを構成したものであ
る。また上記素子２１，２１ａ、２２，２２ａの
少なくとも一方、図示例においては２１，２１ａ
を軸２０，２０ａに対し軸方向に摺動可能に嵌合
することによつて抜き差し自在に構成している。 On the other hand, in this example, a tube shaft is used as the intermediate shaft 4, and extension shafts 20, 20a are provided in inner holes at both ends of the tube shaft.
are fitted and fixed, and the end of one extension shaft 20 is inserted into the tube shaft 19, and the end of the other extension shaft 20a is inserted into the tube shaft 10, respectively. Further, spherical joint elements 21, 22, 21a, 22a are provided correspondingly to the extension shafts 20, 20a and the inner holes of the tube shafts 19, 10 to form ball joint joints 9, 9a. Also, at least one of the elements 21, 21a, 22, 22a, 21, 21a in the illustrated example.
By fitting the shafts 20, 20a so that they can slide in the axial direction, they can be freely inserted and removed.
また上記球関節継手９，９ａの外方において軸
１９，４，４，１０間に横断面非円形の伝動用緩
衝ゴム体８，８ａと伝動用筒体２３，２３ａとか
らなる自在継手を設けたもので、その緩衝ゴム体
８，８ａはそれぞれ管軸１９，１０の外周面に焼
き付け等により一体的に固着され、筒体２３，２
３ａはそれぞれ中間軸４の両端部に溶接等により
一体的に固着されている。そして、その各筒体２
３，２３ａを緩衝ゴム体８，８ａの外周面に抜き
差し自在に密着嵌合した構成である。２４は管軸
１０をクラツチ５に取付けるためのボルト、２５
はクラツチ５の操作部材、２６は変速機６の入力
軸を示す。 Further, on the outside of the ball joints 9, 9a, a universal joint is provided between the shafts 19, 4, 4, 10, and is composed of a transmission buffer rubber body 8, 8a with a non-circular cross section and a transmission cylinder 23, 23a. The cushioning rubber bodies 8, 8a are integrally fixed to the outer peripheral surfaces of the tube shafts 19, 10 by baking or the like, and the cylinder bodies 23, 2
3a are integrally fixed to both ends of the intermediate shaft 4 by welding or the like. And each cylinder 2
3 and 23a are closely fitted to the outer peripheral surfaces of the cushioning rubber bodies 8 and 8a so as to be freely insertable and withdrawable. 24 is a bolt for attaching the tube shaft 10 to the clutch 5; 25;
2 indicates an operating member of the clutch 5, and 26 indicates an input shaft of the transmission 6.
上記の構成により、クランク軸３からの動力は
管軸１９から中間軸４に、又中間軸４からクラツ
チ５の入力軸としての管軸１０に夫々上記ゴム体
８，８ａを介して伝達されるもので、隣り合う軸
１９，４，４，１０の軸線が傾いたときにはゴム
体８，８ａがたわむことによつて上記の変位を吸
収して何ら支障なく動力が伝達される。又上記の
ゴム体８，８ａによつてエンジン振動がクラツチ
５・変速機６に伝わるのが防止されると共に、逆
に後車輪７からの振動がエンジン２に伝わるのが
防止される。更に上記ゴム体８，８ａの内方にお
いて隣り合う軸１９，４，４，１０を球関節継手
９，９ａで連結したことにより、エンジン振動や
機体の振動等で隣り合う軸の軸線がずれるような
力が作用したときにも各軸１９，４，１０は球関
節継手９，９ａの中心を通る線上で回転するもの
で、回転中心が軸心からずれて横振れを生じるこ
となく、また上記の横振れによつてゴム体８，８
ａが過度に変形するのが防止されるものである。 With the above configuration, the power from the crankshaft 3 is transmitted from the tube shaft 19 to the intermediate shaft 4, and from the intermediate shaft 4 to the tube shaft 10 as the input shaft of the clutch 5 via the rubber bodies 8 and 8a, respectively. Therefore, when the axes of the adjacent shafts 19, 4, 4, and 10 are tilted, the rubber bodies 8 and 8a bend to absorb the above displacement and transmit the power without any problem. Furthermore, the rubber bodies 8 and 8a prevent engine vibrations from being transmitted to the clutch 5 and transmission 6, and conversely prevent vibrations from the rear wheels 7 from being transmitted to the engine 2. Furthermore, by connecting the adjacent shafts 19, 4, 4, 10 inside the rubber bodies 8, 8a with ball joint joints 9, 9a, the axes of the adjacent shafts can be prevented from shifting due to engine vibrations, vibrations of the aircraft body, etc. Even when a force is applied, each shaft 19, 4, 10 rotates on a line passing through the center of the ball joint joint 9, 9a, so that the center of rotation does not deviate from the axis and cause lateral vibration. Due to the lateral vibration, the rubber bodies 8, 8
This prevents excessive deformation of a.
第１図中２７は刈刃、２８は刈刃収容ハウジン
グ、２９は前車輪、３０はハンドル、３１はシー
トを示す。 In FIG. 1, 27 is a cutting blade, 28 is a cutting blade housing housing, 29 is a front wheel, 30 is a handle, and 31 is a seat.
以上、説明したように本考案の継手装置は上記
の構成であるから、駆動側の軸１９から中間軸４
を介して被動側の軸１０に、横断面非円形の筒体
伝動用緩衝ゴム体８，８ａと、その外周面に密着
嵌合する筒体２３，２３ａとからなる自在継手を
介して動力が伝達され、上記のゴム体８，８ａの
防振作用と、そのゴム体８，８ａの内方に設けた
球関節継手９，９ａの心ずれ防止作用とで安定・
確実な伝動がなされる。また自在継手を上記のよ
うにゴム体８，８ａと筒体２３，２３ａとで構成
したから、前記従来のように可撓性平ベルトを用
いるものに比べ構成が極めて簡単であり、容易安
価に製作できる。また隣り合う軸の少なくとも一
方を球関節継手９，９ａに対して抜き差し自在に
構成すると共に、筒体２３，２３ａをゴム体８，
８ａの外周面に抜き差し自在に嵌合するようにし
たから、組付けやメンテナンスの際の脱着が容易
であり、しかも各軸の軸方向寸法の製作誤差やず
れ等を吸収することができる等の効果がある。 As explained above, since the coupling device of the present invention has the above configuration, from the driving side shaft 19 to the intermediate shaft 4
Power is transmitted to the shaft 10 on the driven side via a universal joint consisting of cylindrical power transmission buffer rubber bodies 8, 8a with a non-circular cross section and cylindrical bodies 23, 23a tightly fitted to the outer peripheral surfaces thereof. The transmission is stabilized due to the vibration-proofing effect of the rubber bodies 8, 8a and the misalignment prevention effect of the ball joints 9, 9a provided inside the rubber bodies 8, 8a.
Reliable transmission is achieved. Furthermore, since the universal joint is constructed of the rubber bodies 8, 8a and the cylindrical bodies 23, 23a as described above, the construction is extremely simple compared to the conventional joint using a flexible flat belt, making it easier and cheaper. Can be manufactured. Further, at least one of the adjacent shafts is configured to be freely inserted into and removed from the ball and socket joints 9 and 9a, and the cylindrical bodies 23 and 23a are connected to the rubber bodies 8 and 9a.
Since it is designed to fit freely in and out of the outer peripheral surface of 8a, it is easy to attach and detach during assembly and maintenance, and it is also possible to absorb manufacturing errors and deviations in the axial dimension of each shaft. effective.
第１図は本考案伝動軸の継手装置を適用した乗
用型芝刈機の走行用動力伝達部の側面図、第２図
はその要部の一部縦断拡大側面図、第３図はその
横断面図である。
１は車体、２はエンジン、３はクランク軸、４
は中間軸、５はクラツチ、６は変速機、７は後車
輪、８，８ａは伝動用緩衝ゴム体、９，９ａは球
関節継手、１０，１９は管軸、２３，２３ａは伝
動用筒体。
Figure 1 is a side view of the driving power transmission section of a riding lawn mower to which the transmission shaft coupling device of the present invention is applied, Figure 2 is an enlarged longitudinal side view of a portion of its main parts, and Figure 3 is its cross section. It is a diagram. 1 is the vehicle body, 2 is the engine, 3 is the crankshaft, 4
is an intermediate shaft, 5 is a clutch, 6 is a transmission, 7 is a rear wheel, 8, 8a are transmission buffer rubber bodies, 9, 9a are ball joints, 10, 19 are tube shafts, 23, 23a are transmission tubes. body.
Claims (1)
け、その各隣り合う軸の少なくとも一方を管軸と
し、その管軸内に球関節継手を介して他方の軸を
傾動可能に嵌合すると共に、上記球関節継手の外
方に隣り合う軸を傾動可能に連結する自在継手を
設けた伝動軸の継手装置において、 上記の隣り合う軸の少なくとも一方を上記球関
節継手に対して抜き差し自在に構成すると共に、
自在継手を構成する横断面非円形の伝動用緩衝ゴ
ム体と、その外周面に抜き差し自在に密着嵌合す
る横断面非円形の伝動用筒体とを、前記管軸外周
面と他方の軸とにそれぞれ一体的に設けたことを
特徴とする伝動軸の継手装置。[Claims for Utility Model Registration] An intermediate shaft is provided between the drive-side shaft and the driven-side shaft, and at least one of the adjacent shafts is a pipe shaft, and a ball-and-socket joint is inserted into the pipe shaft. In a power transmission shaft coupling device provided with a universal joint which tiltably engages the other shaft and which connects the adjacent shafts to the outside of the ball-and-socket joint in a tiltable manner, at least one of the adjacent shafts is In addition to being configured to be able to be inserted into and removed from the ball joint,
A transmission buffer rubber body with a non-circular cross section constituting the universal joint, and a transmission cylinder body with a non-circular cross section that tightly fits into the outer circumferential surface of the rubber body so as to be freely insertable and removable, are connected to the outer circumferential surface of the tube shaft and the other shaft. A coupling device for a power transmission shaft, characterized in that it is provided integrally with each of the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14331983U JPS6051324U (en) | 1983-09-16 | 1983-09-16 | Transmission shaft coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14331983U JPS6051324U (en) | 1983-09-16 | 1983-09-16 | Transmission shaft coupling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6051324U JPS6051324U (en) | 1985-04-11 |
| JPH029139Y2 true JPH029139Y2 (en) | 1990-03-06 |
Family
ID=30319947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14331983U Granted JPS6051324U (en) | 1983-09-16 | 1983-09-16 | Transmission shaft coupling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6051324U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH073550A (en) * | 1993-06-17 | 1995-01-06 | Toyota Autom Loom Works Ltd | Lappet-inversion apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54178850U (en) * | 1978-06-08 | 1979-12-18 |
-
1983
- 1983-09-16 JP JP14331983U patent/JPS6051324U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH073550A (en) * | 1993-06-17 | 1995-01-06 | Toyota Autom Loom Works Ltd | Lappet-inversion apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6051324U (en) | 1985-04-11 |
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