JPH0478324A - Flexible shaft coupling - Google Patents
Flexible shaft couplingInfo
- Publication number
- JPH0478324A JPH0478324A JP2188635A JP18863590A JPH0478324A JP H0478324 A JPH0478324 A JP H0478324A JP 2188635 A JP2188635 A JP 2188635A JP 18863590 A JP18863590 A JP 18863590A JP H0478324 A JPH0478324 A JP H0478324A
- Authority
- JP
- Japan
- Prior art keywords
- tensile members
- tensile
- collars
- rubber elastic
- shaft coupling
- 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
- 230000008878 coupling Effects 0.000 title abstract description 6
- 238000010168 coupling process Methods 0.000 title abstract description 6
- 238000005859 coupling reaction Methods 0.000 title abstract description 6
- 239000013013 elastic material Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000000452 restraining effect Effects 0.000 description 12
- 239000012778 molding material Substances 0.000 description 10
- 238000010068 moulding (rubber) Methods 0.000 description 10
- 239000000835 fiber Substances 0.000 description 9
- 239000002759 woven fabric Substances 0.000 description 6
- 239000004952 Polyamide Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000002964 rayon Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 etc. Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
Landscapes
- Tires In General (AREA)
Abstract
Description
【発明の詳細な説明】
（利用分野）
本発明は、一方の軸と他方の軸との間を接続して回転力
を伝達する推進軸等に介在させる動力伝達用の可撓軸継
手に関するものである。[Detailed Description of the Invention] (Field of Application) The present invention relates to a flexible shaft joint for power transmission interposed in a propulsion shaft, etc., which connects one shaft and the other shaft and transmits rotational force. It is.
特に言えば、エンジンの駆動力を伝達するプロペラシャ
フト、ステアリングホイールの回転力を伝達するステア
リングシャフトの接続等に利用されるものである。Specifically, it is used to connect a propeller shaft that transmits the driving force of an engine, a steering shaft that transmits the rotational force of a steering wheel, etc.
（従来技術）
自動車等の推進に利用される回転力は、−Ｍに駆動側と
被駆動側の両軸にフランジを対立して備え、これに継手
を介在させるものであり、この種の軸継手はいわゆる一
体型軸継手と要素型軸継手の二通りが存在する。(Prior art) The rotational force used for propulsion of automobiles, etc. is obtained by equipping -M with opposing flanges on both the drive side and driven side shafts, with joints interposed between the flanges. There are two types of joints: integral type shaft joints and element type shaft joints.
第１図に示すものはいわゆる要素型の軸継手であって、
夫々軸にｍ＾られたフランジ（図示せず）に取付けるた
めの取付孔１．２を４個或は６個有しており、一つ置き
に交互にフランジに取付けられる。What is shown in Fig. 1 is a so-called element type shaft coupling.
It has 4 or 6 mounting holes 1.2 for mounting to flanges (not shown) each extending along the shaft, and is mounted to every other flange alternately.
区側では取付孔６個の場合を示したが、１ａ、ｌｂ、１
ｃは駆動側へ、２ａ、２ｂ、２ｃは被駆動側へ取付けら
れ、この隣り合う取付孔を形成したカラー３．３間には
抗張体４が巻き掛けされている。On the ward side, the case with 6 mounting holes is shown, but 1a, lb, 1
c is attached to the drive side, and 2a, 2b, and 2c are attached to the driven side, and a tensile member 4 is wound between the collars 3 and 3 that form adjacent attachment holes.
これを図のように組合わせて用いるものを要素型軸継手
というのである。What is used in combination as shown in the figure is called an element-type shaft joint.
一方、これら全体をゴム弾性体５で囲繞したものを一体
型軸継手といい、一対のカラー３と抗張体４をゴム弾性
体５で囲繞してなるものである。On the other hand, a structure in which these are entirely surrounded by a rubber elastic body 5 is called an integrated shaft joint, and is made by surrounding a pair of collars 3 and a tensile body 4 with a rubber elastic body 5.
さて、これらの軸継手は主として駆動軸用又はステアリ
ング軸用に多く用いられているが、その使用される箇所
が極めて重要な部分であるだけにその要求される性能も
厳しいものがある。Now, these shaft joints are mainly used for drive shafts or steering shafts, but since the parts where they are used are extremely important, the required performance is also severe.
ここで使用される抗張体として通常はポリアミド（ナイ
ロン）繊維、レーヨン繊維、ポリエステル繊維或は芳香
族ポリアミド（アラミド）繊維等が種々の条件を勘案し
て選択採用されている。As the tensile material used here, polyamide (nylon) fibers, rayon fibers, polyester fibers, aromatic polyamide (aramid) fibers, etc. are usually selected in consideration of various conditions.
（従来技術の問題点）
この抗張体は一対のカラー間に数十本〜２００本程度束
状に巻き重ねらね、これを軸継手を形成する型内の所定
位置にセツトシ、然る後この型内にゴム成形材料を充填
し、カラー及び抗張体の周囲をゴム弾性体にて囲繞する
が、このゴム成形材＊」の注入圧力等によって抗張体の
束状の重なり状態を壊し、この抗張体がばらけてしまう
ことがあった。(Problems with the prior art) This tensile material is wound into a bundle of about 10 to 200 pieces between a pair of collars, set in a predetermined position in a mold that forms a shaft joint, and then This mold is filled with a rubber molding material, and the collar and tensile body are surrounded by a rubber elastic body, but the bundle-like overlapping state of the tensile body is broken by the injection pressure of this rubber molding material*. , this tensile material sometimes came apart.
第２図は第１図Ａ−Ａ！での断面を示すが、（ａ）は抗
張体が束状に整然と重なり合った状態を示し、（ｂ）は
この状態が破れ、ばらけが生じている状態を示している
。Figure 2 is Figure 1 A-A! (a) shows a state in which the tensile members are stacked neatly in a bundle, and (b) shows a state in which this state has been torn and come apart.
このように、抗張体のばらけによる軸継手としての欠点
は重大であり、例えば抗張体に加わる張力が不均一にな
るため一部の抗張体が早く疲労損傷してしまうこと、抗
張体がゴム弾性体の表面に露出している状態であると、
応力集中にまり研壊の起点となること、更には外気に抗
張体が露出すると水分、オゾン、紫外線等が触れるため
に抗張体の劣化が促進されてこれも破壊の起点となる等
の欠点があった。As described above, the disadvantages of a shaft joint due to the loosening of the tensile members are serious, such as the fact that the tension applied to the tensile members becomes uneven, causing some of the tensile members to suffer premature fatigue damage; When the tension body is exposed on the surface of the rubber elastic body,
In addition, when the tensile material is exposed to the outside air, it is exposed to moisture, ozone, ultraviolet rays, etc., which accelerates the deterioration of the tensile material, which can also become a starting point for fracture. There were drawbacks.
（発明の解決手段）
本発明は以上のような欠点をなくすべく開発されたもの
であって、その構成は次の通りである。(Means for Solving the Invention) The present invention has been developed to eliminate the above drawbacks, and its configuration is as follows.
即ち、円周上に駆動側と被駆動側のカラーを交互に配列
し、隣接するカラー相互間に抗張体を巻き掛けし、ゴム
弾性体にてこれらを囲繞してなる動力伝達用の可撓軸継
手において、カラー相互間の当該抗張体の長手方向に対
してその直角方向にこれらを囲んだ拘束体を備えて、前
記ゴム弾性体中に埋入したことを特徴とする動力伝達用
の可撓軸継手かかるものである。That is, a power transmission system is constructed by arranging driving side and driven side collars alternately on the circumference, wrapping a tensile material between adjacent collars, and surrounding them with a rubber elastic material. A flexible shaft joint for power transmission, characterized in that a restraining body surrounding the tensile members between the collars in a direction perpendicular to the longitudinal direction thereof is embedded in the rubber elastic body. This is a flexible shaft joint.
本発明において抗張体は従来から用いられているもので
よく、前記したようにポリアミド繊維、ポリエステル繊
維、レーヨン繊維等或は芳香族ポリアミド繊維、更には
場合によってはスチールコードも使用することも出来る
。The tensile material used in the present invention may be one that has been conventionally used, and as described above, polyamide fibers, polyester fibers, rayon fibers, etc., aromatic polyamide fibers, and even steel cords may also be used in some cases. .
一方抗張体を囲む拘束体としては特に制限することはな
いが、例えば上記したような有機繊維の織布やコードで
あり、これらは通常は未加硫ゴムが表面にコートされた
ものを使用する。また、未加硫ゴムシートをそのまま抗
張体の周囲に巻き付けて拘束体とすることも出来る。On the other hand, the restraining body surrounding the tensile body is not particularly limited, but can be, for example, a woven fabric or cord made of organic fibers as described above, and these are usually coated with unvulcanized rubber on the surface. do. Alternatively, an unvulcanized rubber sheet can be wrapped around the tensile member as it is to form a restraining member.
又、合成樹脂や金属製になる切り欠き部を持つリングを
もって抗張体を囲む拘束体も本発明に含まれ、この場合
はゴム弾性体との接着性を考慮して接着性のよい樹脂を
用いたり、表面の接着改良処理をすべきである。The present invention also includes a restraining body that surrounds the tensile body with a ring having a notch made of synthetic resin or metal, and in this case, a resin with good adhesiveness is used in consideration of the adhesiveness with the rubber elastic body. The surface should be treated to improve adhesion.
更に、合成樹脂や金属製の螺旋体を拘束体として用いる
ことも可能である。Furthermore, it is also possible to use a spiral body made of synthetic resin or metal as the restraining body.
（作用）
本発明は前記したように抗張体のばらけ易い個所を特に
拘束体をもって囲んだものであって、このため軸継手を
形成する型内の所定位置にセットされたかかる抗張体が
、ゴム成形材料の充填の際の圧入の力に抗して束状とな
った状態が保たれるのである。(Function) As described above, the present invention specifically surrounds the easily disintegrated portion of the tensile body with a restraining body, and for this reason, such a tensile body is set at a predetermined position in a mold forming a shaft joint. However, the bundled state is maintained against the force of press-fitting when filling with the rubber molding material.
特に具体的には表面を未加硫ゴムシートにてコートされ
た織布又は未加硫ゴムシートそのものを抗張体の周囲に
巻き付け、然る後に軸継手全体を構成するゴム成形材料
をもってこれら全体を囲んで成形することになる。Specifically, a woven fabric whose surface is coated with an unvulcanized rubber sheet or an unvulcanized rubber sheet itself is wrapped around the tensile member, and then the rubber molding material that makes up the entire shaft joint is applied to the whole. It will be formed around.
このため抗張体の束状の状態が保持され、ばらけ現象が
防止されるもので、従って抗張体のゴム弾性体表面への
露出がなくなり、更にはゴム成形材料の充填前における
簡単な作業工程によってかかる軸継手が製造されるもの
で、不良率も極めて低く製造コストの低減が達成される
ことになったのである。For this reason, the bundled state of the tensile material is maintained and the phenomenon of unraveling is prevented.Therefore, the tensile material is not exposed to the surface of the rubber elastic material, and furthermore, it can be easily removed before filling with rubber molding material. Since such a shaft joint is manufactured through a process, the defective rate is extremely low and manufacturing costs can be reduced.
（具体例）
以下本発明を要素型軸継手の具体例をもって更に詳述す
る。(Specific Example) The present invention will be explained in more detail below using a specific example of an element type shaft joint.
第３図はカラー、抗張体及び拘束体の関係を示す斜視図
であって、カラー３．３の中心間を５５ｍｍとし、カラ
ー３に形成されたフランジ６．６内にポリアミド繊維か
らなる抗張体４が１０層にわたって巻き掛けされる。こ
のフランジ６．６間は１１ｍｍである。FIG. 3 is a perspective view showing the relationship between the collar, the tensile member, and the restraint member. The tension body 4 is wrapped in 10 layers. The distance between the flanges 6.6 is 11 mm.
しかるにカラー３．３間の中央において、抗張体４の長
手方向に対してその直角方向をもってこれを拘束体７に
てその周囲を巻き込んだものである。ここではこの拘束
体７は抗張体４と同じくポリアミド繊維からなり、その
表面に未加硫ゴムシートがコートされた織布を拘束体７
として使用した。However, in the center between the collars 3 and 3, the tensile member 4 is wrapped around it by a restraining member 7 in a direction perpendicular to the longitudinal direction thereof. Here, the restraint body 7 is made of polyamide fiber like the tensile body 4, and the restraint body 7 is made of a woven fabric whose surface is coated with an unvulcanized rubber sheet.
used as.
第４図はこの拘束体７の一部切断斜視図であって、８は
織布、９は未加硫ゴムシートを示す。FIG. 4 is a partially cutaway perspective view of this restraint body 7, in which 8 represents a woven fabric and 9 represents an unvulcanized rubber sheet.
これを要素型軸継手の成形型内（図示せず）の所定位置
にセットし、この型内の空域にゴム成形材料を充填して
加硫成形し要素型軸継手を得るものである。This is set at a predetermined position in a mold (not shown) for an element-type shaft joint, and the air space in the mold is filled with a rubber molding material and vulcanized to obtain an element-type shaft joint.
得られた要素型軸継手は、第５図に示すようにカラー３
．３間の略中央で抗張体４の周囲が織布８にて拘束され
た状態をもってゴム弾性体５中に埋入されたＩＩ造をな
し、拘束体７における縁布８の表面をコートした未加硫
ゴムシート９は、後から充填されたゴム成形材料と一体
となってゴム弾性体５を形成するものである。The obtained element type shaft joint has a collar 3 as shown in Fig. 5.
．． The periphery of the tensile body 4 is restrained by the woven cloth 8 at approximately the center between the two, forming a II structure embedded in the rubber elastic body 5, and the surface of the hem cloth 8 in the restraining body 7 is coated. The unvulcanized rubber sheet 9 forms the rubber elastic body 5 together with a rubber molding material filled later.
この軸継手は、ゴム弾性体５の表面には抗張体４が全く
露出していないものであった。In this shaft joint, the tensile member 4 was not exposed at all on the surface of the rubber elastic member 5.
本発明にあっては、拘束体７として未加硫ゴムシート９
のみを使用することもでき、前記の第３図と同様にかか
るシートにて抗張体４の周囲を拘束するものである。In the present invention, an unvulcanized rubber sheet 9 is used as the restraining body 7.
It is also possible to use only the tensile member 4, and the periphery of the tensile member 4 is restrained with such a sheet as shown in FIG. 3 above.
この場合、前記と同様にこれを要素型軸継手の型内の所
定位置にセットし、二の型内の空域にゴム成形材料を注
入充填して加硫成形して軸継手を得るものであり、勿論
ゴム成形材料の注入時の圧力に抗するだけの拘束力を有
するもので、抗張体４がばらけることはない。In this case, similarly to the above, this is set at a predetermined position in the mold of the element-type shaft joint, and the air space in the second mold is injected and filled with rubber molding material, and the shaft joint is obtained by vulcanization molding. Of course, the tensile member 4 has a restraining force sufficient to withstand the pressure at the time of injection of the rubber molding material, and the tensile member 4 will not come apart.
得られた要素型軸継手は、特に図示はしないが第５図に
おける織布が存在しない場合と同じ構造であって、カラ
ー３．３間の中央で抗張体４の周囲を囲んだ未加硫ゴム
シート９（拘束体）と注入されたゴム成形材料とが完全
に一体となってゴム弾性体５を形成しており、拘束体７
としてははっきりとは残っていないが、抗張体４の束状
の状態は極めて整然と保たれてゴム弾性体５中に埋入さ
れた構造をなし、かかるゴム弾性体５の表面には抗張体
４は全（露出していないものが得られた。Although not particularly shown, the obtained element-type shaft joint has the same structure as the case in which the woven fabric is not present in FIG. The sulfur rubber sheet 9 (restraint body) and the injected rubber molding material are completely integrated to form the rubber elastic body 5, and the restraint body 7
However, the bundle-like state of the tensile member 4 is maintained in an extremely orderly manner and has a structure embedded in the rubber elastic member 5, and the surface of the rubber elastic member 5 has a tensile strength. Body 4 was obtained whole (unexposed).
別個として、はカラー３．３間の抗張体４の周囲を繊維
コード単体をもって第３図に示すと同様に何回も巻き上
げて拘束体７としてもよ（、好ましくはこのコード単体
にも未加硫ゴムがコートされている。Separately, a single fiber cord may be wound around the tensile member 4 between the collars 3 and 3 many times as shown in FIG. Coated with vulcanized rubber.
更に合成樹脂製のリング１０からなる拘束体７を用いて
第３図に示すと同様に抗張体４を囲っても良く、かかる
リング１０は第６図に示すように抗張体４を囲むべくこ
れが広がるようにこの一部に開口部１１を持っている。Further, the tensile member 4 may be surrounded by a restraining body 7 made of a synthetic resin ring 10 as shown in FIG. 3, and such a ring 10 surrounds the tensile member 4 as shown in FIG. An opening 11 is provided in a part of the opening 11 so that it can be expanded as much as possible.
この開口部１１を広げて抗張体４を通して拘束体７とす
るものである。This opening 11 is widened and the tension body 4 is passed through to form the restraint body 7.
この場合、要素型軸継手は前記と同様に製造されるが、
抗張体４を囲んだリング１０がそのままゴム弾性体５中
に埋火されることになる。位ってこのリング１０はゴム
弾性体５との接着性の良いものが望まれる。In this case, the element type shaft joint is manufactured in the same manner as above, but
The ring 10 surrounding the tensile member 4 is embedded in the rubber elastic member 5 as it is. Therefore, it is desirable that the ring 10 has good adhesion to the rubber elastic body 5.
かかるリング１０は金属製であっても良く、この場合に
はリング１０の表面を処理して接着性の良い表面として
おくべきである。Such ring 10 may be made of metal, in which case the surface of ring 10 should be treated to provide a surface with good adhesive properties.
（効果）
以上のとおり、本発明においては軸継手の耐久性に大き
く影響してくる抗張体のばらけ現象を完全に防止したも
のであり、この原因による性能不良やゴム破壊、抗張体
の切断等は全くな（なったものであり、耐久性能を大き
く向上させた軸継手か容易に得られることとなったもの
である。(Effects) As described above, the present invention completely prevents the phenomenon of the tensile member coming apart, which greatly affects the durability of shaft joints. There was no cutting or the like at all, making it easy to obtain a shaft coupling with greatly improved durability.
第１図は要素型軸継手の平面図、第２図（ａ）（ｂ）は
第１図Ａ −Ａ ’ｒ９での断面図、第３図は本発明の
第１実施例の要素型軸継手であって、カラー、抗張体及
び拘束体の関係を示す斜視図、第４図は第３図の軸継手
に使用した拘束体の一部切断斜視図、第５図は本発明の
要素型軸継手におけるＡ −Ａ 緋での一部拡大断面図
、第６図は拘束体の一例であるリングの拡大斜視図であ
る。
１ 、１ａ、１ｂ、 Ｉ Ｃ
２，２ａ、２ｂ、２ ｃ−・−取付孔
３．３・・・・・・カラー
４ ・・・ ・・・抗弓長体
５・・・・・・ゴム弾性体
６・・・・・・フランジ
７・・・・・・拘束体
８・・・・・・織布
９・・・・・・未加硫ゴムシー
Ｏ・・・・・・リング
ト・・・・・開口部Fig. 1 is a plan view of an element type shaft joint, Figs. 2(a) and (b) are sectional views taken along A-A'r9 in Fig. 1, and Fig. 3 is an element type shaft of the first embodiment of the present invention. A perspective view of a joint showing the relationship between a collar, a tensile member, and a restraint body; FIG. 4 is a partially cutaway perspective view of a restraint body used in the shaft joint of FIG. 3; and FIG. 5 is a perspective view showing elements of the present invention. FIG. 6 is a partially enlarged sectional view taken along A-A scarlet of the type shaft joint, and is an enlarged perspective view of a ring which is an example of a restraining body. 1, 1a, 1b, I C 2, 2a, 2b, 2 c--Mounting hole 3.3... Collar 4... Anti-arch body 5... Rubber elasticity Body 6...Flange 7...Restraint body 8...Woven fabric 9...Unvulcanized rubber seam O...Ringt... ·Aperture
Claims (1)
し、隣接するカラー相互間に抗張体を巻き掛けし、ゴム
弾性体にてこれらを囲繞してなる動力伝達用の可撓軸継
手において、カラー相互間の当該抗張体の長手方向に対
してその直角方向にこれらを囲んだ拘束体を備えて、前
記ゴム弾性体中に埋入したことを特徴とする動力伝達用
の可撓軸継手。(1) For power transmission, collars on the driving side and driven side are arranged alternately on the circumference, a tensile material is wound between adjacent collars, and these are surrounded with a rubber elastic material. A flexible shaft joint for power transmission, characterized in that a restraint body is provided between the collars and surrounds the tension body in a direction perpendicular to the longitudinal direction thereof, and is embedded in the rubber elastic body. Flexible shaft joint for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2188635A JPH0478324A (en) | 1990-07-17 | 1990-07-17 | Flexible shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2188635A JPH0478324A (en) | 1990-07-17 | 1990-07-17 | Flexible shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0478324A true JPH0478324A (en) | 1992-03-12 |
Family
ID=16227156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2188635A Pending JPH0478324A (en) | 1990-07-17 | 1990-07-17 | Flexible shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0478324A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5944611A (en) * | 1994-09-14 | 1999-08-31 | Rexnord Corporation | Convertible coupling for a transmitting torque |
-
1990
- 1990-07-17 JP JP2188635A patent/JPH0478324A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5944611A (en) * | 1994-09-14 | 1999-08-31 | Rexnord Corporation | Convertible coupling for a transmitting torque |
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