JPS61184222A - Slide spline device and manufacture thereof - Google Patents
Slide spline device and manufacture thereofInfo
- Publication number
- JPS61184222A JPS61184222A JP60022337A JP2233785A JPS61184222A JP S61184222 A JPS61184222 A JP S61184222A JP 60022337 A JP60022337 A JP 60022337A JP 2233785 A JP2233785 A JP 2233785A JP S61184222 A JPS61184222 A JP S61184222A
- Authority
- JP
- Japan
- Prior art keywords
- spline member
- spline
- outer spline
- resin film
- monomer
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
- F16C3/03—Shafts; Axles telescopic
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はスライドスプライン装置／１びその製造方法に
関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a slide spline device/1 and a method for manufacturing the same.
（従来の技術）
従来、スライドスプライン装置は、第６図に示すように
、内周にスプラインが形成された有底筒状のアウタスプ
ライン部材（軸受）１と、該アウタスプライン部材１の
スプライン１ａに対応して外周にスプラインが形成され
たインナスプライン部材（軸）２とからなり、アウタス
プライン部材１内にインナスプライン部材２が伸縮動可
能に嵌合されている。(Prior Art) Conventionally, as shown in FIG. 6, a slide spline device includes an outer spline member (bearing) 1 having a bottomed cylindrical shape with splines formed on its inner periphery, and a spline 1a of the outer spline member 1. It consists of an inner spline member (shaft) 2 having splines formed on its outer periphery corresponding to the inner spline member 2, and the inner spline member 2 is fitted into the outer spline member 1 so as to be able to expand and contract.
そして、インナスプラーイン部材２の摺動面には、該イ
ンナスプライン部材２の全長に亘って樹脂膜５が被覆さ
れており、これにより、アウタスプライン部材１に対す
るインナスプライン部材２の摺動特性を向上させている
。The sliding surface of the inner spline member 2 is coated with a resin film 5 over the entire length of the inner spline member 2, thereby improving the sliding characteristics of the inner spline member 2 with respect to the outer spline member 1. is improving.
（発明が解決しようとする問題点）
しかしながら、上記構成にあっては、インナスプライン
部材２の摺動面に全長に亘って樹脂膜３が被覆されてい
るため、アウタスプライン部材１に対するインナスプラ
イン部材２の伸縮動位置に応じて、アウタスプライン部
材１の内周と樹脂膜５との摺動面積が変化することにな
り、摺動抵抗が変化することになっていた。(Problems to be Solved by the Invention) However, in the above configuration, since the sliding surface of the inner spline member 2 is coated with the resin film 3 over the entire length, the inner spline member relative to the outer spline member 1 The sliding area between the inner periphery of the outer spline member 1 and the resin film 5 changes depending on the expansion/contraction position of the outer spline member 1, and the sliding resistance changes accordingly.
また、アウタスプライン部材１内に対してインナスプラ
イン部材２が最も短縮しない限り、インナスプライン部
材２の一部はアウタスプライン部材１外に露出すること
になり、その部分が高湿な雰囲気下におかれると、樹脂
膜６は吸水膨張やグリス切れを起こし、その樹脂膜３の
吸水分によりインナスプライン部材２のシャフト部が錆
びることとなっていた。このため、その錆びにより樹脂
膜５が盛上り、その樹脂膜５の盛上り部分では摺動抵抗
が増大することとなっていた。Furthermore, unless the inner spline member 2 is shortened the most with respect to the inside of the outer spline member 1, a part of the inner spline member 2 will be exposed outside the outer spline member 1, and that part will be exposed to a high humidity atmosphere. When this happens, the resin film 6 absorbs water and expands and runs out of grease, causing the shaft portion of the inner spline member 2 to rust due to the water absorption by the resin film 3. Therefore, the resin film 5 bulges due to the rust, and the sliding resistance increases at the bulge portion of the resin film 5.
このように、上記スライドスプライン装置では、アウタ
スプライン部材１に対するインナスプライン部材２の伸
縮動位置や樹脂膜５の経時変化により、一定の摺動抵抗
を得ることができなかった。As described above, in the slide spline device described above, it was not possible to obtain a constant sliding resistance due to the expansion/contraction movement position of the inner spline member 2 with respect to the outer spline member 1 and changes in the resin film 5 over time.
本発明は上記実情に鑑みてなされたもので、その−の目
的は、アウタスプライン部材に対してインナスプライン
部材が伸縮動する範囲において、長期に亘って一定の摺
動抵抗を得ることができるスライドスプライン装置を提
供することにある。The present invention has been made in view of the above circumstances, and its object is to provide a slide that can obtain constant sliding resistance over a long period of time in the range in which the inner spline member expands and contracts with respect to the outer spline member. An object of the present invention is to provide a spline device.
また、他の目的は、上記スライドスプライン装置を極力
容易に製造する製造方法を提供することにある。Another object of the present invention is to provide a manufacturing method for manufacturing the slide spline device as easily as possible.
（問題点を解決するだめの手段）
かかるーの目的を達成するため第一の発明は、内周面に
スプラインが形成された有底筒状のアウタスプライン部
材１と、
該アウタスプライン部材１のスプラインに対応して外周
面にスプラインが形成され該アウタスプライン部材１に
所定範囲内で伸縮可能に嵌合されたインナスプライン部
材２と、
該インナスプライン部材２の最大伸張時における該イン
ナスプライン部材と前記アウタスプライン部材との間に
あって、該インナスプライン部材２の外周固着しくは該
アウタスプライン部材１の内周面のいずれか一方に被覆
された樹脂膜５と、を設けた構成としである。(Means for Solving the Problem) In order to achieve the above object, a first invention provides an outer spline member 1 having a bottomed cylindrical shape and having a spline formed on its inner circumferential surface, and the outer spline member 1. an inner spline member 2 having splines formed on its outer peripheral surface corresponding to the splines of the inner spline member 1 and fitted to the outer spline member 1 so as to be expandable and contractible within a predetermined range; A resin film 5 is provided between the inner spline member 2 and the outer spline member, and is coated on either the outer circumference of the inner spline member 2 or the inner circumference of the outer spline member 1.
また、他の目的を達成するために第二の発明はスプライ
ンが形成された有底筒状のアウタスプライン部材１内周
に離型剤を塗布し、次に、前記アウタスプライン部材１
内にモノマーヲ所定量注入し、次いで、前記アウタスプ
ライン部材１内に、該アウタスプライン部材１のスプラ
インに対応して外周にスプラインが形成されたインナス
プライン部材２を嵌挿して、該アウタスプライン部材１
と該インナスプライン部材２との間のクリアランスを介
して前記モノマーの液位を該アウタスプライン部材の開
口側に向って所定位置まで変位させ、その後、モノマー
を重合硬化した構成としである。Moreover, in order to achieve another object, the second invention applies a mold release agent to the inner periphery of the bottomed cylindrical outer spline member 1 on which splines are formed, and then applies a mold release agent to the inner circumference of the outer spline member 1.
A predetermined amount of monomer is injected into the outer spline member 1, and then an inner spline member 2 having splines formed on the outer periphery corresponding to the splines of the outer spline member 1 is fitted into the outer spline member 1.
The liquid level of the monomer is displaced to a predetermined position toward the opening side of the outer spline member through the clearance between the inner spline member 2 and the inner spline member 2, and then the monomer is polymerized and hardened.
（作 用）
上述の第一の発明の構成により、樹脂膜３は、インナス
プライン部材２がアウタスプライン部材１に対して伸縮
動する全範囲において、常時、アウタスプライン部材１
内にとどまり、且つア１７タ２７’ライン部材１又はイ
ンナスプライン部材２と一定の摺動面積をもって接触す
ることになる。(Function) According to the configuration of the first invention described above, the resin film 3 always acts on the outer spline member 1 in the entire range in which the inner spline member 2 expands and contracts with respect to the outer spline member 1.
At the same time, the contact member 17 remains in contact with the line member 1 or the inner spline member 2 with a certain sliding area.
また、第二の発明の構成により、樹脂膜３を被覆したい
位置までモノマーの液位を容易且つ正確に変位させるこ
とができることになる。Moreover, with the configuration of the second invention, the liquid level of the monomer can be easily and accurately displaced to the position where the resin film 3 is desired to be coated.
（実施例）
以下、本発明の実施例を図面に基いて説明するが、前記
λｔｂｉＡｒ５と同一構成要素については同一符号を付
してその説明を省略する。(Example) Hereinafter, an example of the present invention will be described based on the drawings, and the same components as those of λtbiAr5 will be given the same reference numerals and the explanation thereof will be omitted.
、第１図、第２図において、樹脂膜Ｓは、インナスプラ
イン部材２の摺動面（外周面）に該インナスプライン部
材２の先端から一定距離まで被覆されており、この範囲
ｌがアウタスプライン部材１に対するインナスプライン
部材２の嵌合部となっている。このインナスプライン部
材２の嵌合部は、アウタスプライン部材１に対してイン
ナスプライン部材２が最大伸張したとき、アウタスプラ
イン部材１の開口端から外部へ露出することなく咳アウ
タスプライン部材１内にとどまっており、樹脂膜３の外
周面は外気下にはさらされない（第１図参照）。ここで
、１ａはアウタスプライン部材２のスプライン、２ａは
インナスプライン部材２のスプラインである。, 1 and 2, the resin film S covers the sliding surface (outer peripheral surface) of the inner spline member 2 up to a certain distance from the tip of the inner spline member 2, and this range l is the outer spline. This is a fitting portion of the inner spline member 2 to the member 1. The fitting portion of the inner spline member 2 remains within the outer spline member 1 without being exposed to the outside from the open end of the outer spline member 1 when the inner spline member 2 is maximally expanded relative to the outer spline member 1. Therefore, the outer circumferential surface of the resin film 3 is not exposed to the outside air (see FIG. 1). Here, 1a is a spline of the outer spline member 2, and 2a is a spline of the inner spline member 2.
このため、インナスプライン部材２がアウタスプライン
部材１に対して伸縮動する全範囲において、樹脂膜３は
、常時アウタスプライン部材１内にとどまシ、且つアウ
タスプライン部材 ′１内局面に一定の摺動面積
をもって接触する。Therefore, in the entire range in which the inner spline member 2 expands and contracts with respect to the outer spline member 1, the resin film 3 always remains within the outer spline member 1, and the resin film 3 always slides on the inner surface of the outer spline member '1. Contact with area.
したがって、樹脂膜３が水分等により経時変化を起こす
こともなくなシ、アウタスプライン部材１に対するイン
ナスゲライン部材１の摺動抵抗は、長期に亘って上記範
囲で一定となる。Therefore, the resin film 3 does not change over time due to moisture or the like, and the sliding resistance of the inner gel line member 1 with respect to the outer spline member 1 remains constant within the above range over a long period of time.
このようなスライドスプライン装置を製造するためには
、先ず、アウタスプライン部材１内周全面に離型剤を塗
布し、次に、アウタスプライン部材１内に七ツマ−を必
要量注入する。この場合、モノマーは低粘度のものが好
ましく、七ツマ−としては、例えばポリアミド樹脂、ウ
レタン樹脂、エポキシ樹脂、ポリエステル樹脂等のモノ
マーが使用し得る。モノマーの必要量は、インナスプラ
イン部材２の被覆面積、インナスプライン部材２とアウ
タスプライン部材１とのクリアランス等を考慮して決定
される。In order to manufacture such a slide spline device, first, a mold release agent is applied to the entire inner circumference of the outer spline member 1, and then a required amount of 7-terminal is injected into the outer spline member 1. In this case, the monomer preferably has a low viscosity, and monomers such as polyamide resin, urethane resin, epoxy resin, and polyester resin can be used as the monomer. The required amount of the monomer is determined in consideration of the area covered by the inner spline member 2, the clearance between the inner spline member 2 and the outer spline member 1, and the like.
次いで、アウタスプライン部材１内にインチスプライン
部材２を嵌挿し、インナスプライン部材２をモノマー内
に押込む。これにより、モノマーは、低粘度溶液である
ことから、アウタスプライン部材１の内周面とインナス
プライン部材２の外周面との間のクリアランスを介して
該アウタスプライン部材１の開口側に向って移動するこ
とになり、その七ツマ−の液位を、インナスプライン部
材２のモノマー内への押込み又はモノマーの注入量調整
により、樹脂膜５を被覆したい位置まで変位させる。Next, the inch spline member 2 is fitted into the outer spline member 1, and the inner spline member 2 is pushed into the monomer. As a result, since the monomer is a low-viscosity solution, it moves toward the opening side of the outer spline member 1 through the clearance between the inner circumferential surface of the outer spline member 1 and the outer circumferential surface of the inner spline member 2. Then, by pushing the inner spline member 2 into the monomer or adjusting the amount of monomer injected, the liquid level of the seven points is moved to a position where the resin film 5 is desired to be covered.
この後、その状態でモノマーを重合硬化させ、インナス
プライン部材２の外周面に樹脂膜５を被覆する。モノマ
ーを重合硬化させるにあたっては、加熱や光照射等の手
段を博じたり、モノマー内に反応開始剤を予じめ入れて
おけばよい。Thereafter, the monomer is polymerized and cured in this state, and the outer peripheral surface of the inner spline member 2 is coated with the resin film 5. In order to polymerize and harden the monomer, it is sufficient to use means such as heating or light irradiation, or to add a reaction initiator to the monomer in advance.
反応開始剤はモノマーに応じて決定すればよく、モノマ
ーとしてカプロラクタム（ナイロン６のモノマー）を使
用する場合には、ラクタムアニオン及びアシルラクタム
を用いるとよい。The reaction initiator may be determined depending on the monomer, and when caprolactam (monomer of nylon 6) is used as the monomer, it is preferable to use a lactam anion and an acyllactam.
そして、この結果、七ツマ−の重合硬化に伴つて樹脂膜
５は成形収縮し、樹脂膜５とアウタスプライン部材１と
の間に微少なりリアランスが形成されることになり、摺
動特性は極めて良好となる。As a result, as the resin film 5 polymerizes and hardens, the resin film 5 shrinks during molding, and a slight clearance is formed between the resin film 5 and the outer spline member 1, resulting in extremely poor sliding properties. Becomes good.
以上実施例について説明したが本発明にあっては次の態
様を包含する。Although the embodiments have been described above, the present invention includes the following aspects.
■ 樹脂膜３をアウタスプライン部材１内周而に被覆す
ること。この場合、樹脂膜５は、アウタスプライン部材
１の開口から一定距離ｌの範囲で該アウタスプライン部
材１の内周面に被覆すればよい。(2) Coating the inner periphery of the outer spline member 1 with the resin film 3. In this case, the resin film 5 may be coated on the inner peripheral surface of the outer spline member 1 within a certain distance l from the opening of the outer spline member 1.
■ スライドスプライン装置の製造方法にあって、イン
ナスプライン部材２をアウタスプライン部材１内に嵌、
挿する前に、該インナスプライン部材２の外周面に予じ
め適当なプライマーを塗布すること。これにより、樹脂
膜５はインナスプライン部材２に強固に固着できる。■ In the method of manufacturing a slide spline device, the inner spline member 2 is fitted into the outer spline member 1,
Before inserting, apply an appropriate primer to the outer peripheral surface of the inner spline member 2. Thereby, the resin film 5 can be firmly fixed to the inner spline member 2.
（発明の効果）
以上述べたことから明らかなように、第一の発明にあっ
ては、インナスプライン部材２がアウタスプライン部材
１に対して伸縮動する全範囲において樹脂膜が、常時、
アウタスプライン部材内から露出することなく、シかも
、一定の摺動面積をもってアウタスプライン部材又はイ
ンナスプライン部材と接触していることから、長期間に
亘って常に摺動抵抗を一定に保つことができる。また、
樹脂膜を必要最小限の範囲で被覆しているので、樹脂原
料等の低減を図ることができる。(Effects of the Invention) As is clear from the above description, in the first invention, the resin film is always
Since it is not exposed from within the outer spline member and is in contact with the outer spline member or inner spline member with a certain sliding area, the sliding resistance can always be kept constant over a long period of time. . Also,
Since the resin film is coated within the necessary minimum range, it is possible to reduce the amount of resin raw materials and the like.
第二の発明にあっては、樹脂膜で被覆したい位置まで七
ツマ−の液位を容易且つ正確に変位させることができる
ことから、樹脂膜をインナスプライン部材に容易に被覆
することができ。In the second aspect of the invention, since the liquid level of the seven rollers can be easily and accurately displaced to the position desired to be coated with the resin film, the inner spline member can be easily coated with the resin film.
第一の発明に係るスライドスプライン装置を容易に製造
することができる。The slide spline device according to the first invention can be easily manufactured.
第１図は、本発明に係るスライドスプライン装置を示す
一部破断正面図、
第２図は、第１図のＡ−Ａ線断面図、
第３図は、従来技術に係るスライドスプライン装置を示
す一部破断圧面図である。
１・・・アウタスプライン部材
１ａ・・・スプライン
２・・・インナスプライン部材
２ａ・・・スプライン
（１’Ｌか１名）FIG. 1 is a partially cutaway front view showing a slide spline device according to the present invention, FIG. 2 is a sectional view taken along line A-A in FIG. 1, and FIG. 3 is a slide spline device according to the prior art. It is a partially broken pressure surface view. 1...Outer spline member 1a...Spline 2...Inner spline member 2a...Spline (1'L or 1 person)
Claims (2)
タスプライン部材と、 該アウタスプライン部材のスプラインに対応して外周面
にスプラインが形成され該アウタスプライン部材に所定
範囲内で伸縮可能に嵌合されたインナスプライン部材と
、 該インナスプライン部材の最大伸張時における該インナ
スプライン部材と前記アウタスプライン部材との間にあ
って、該インナスプライン部材の外周面若しくは該アウ
タスプライン部材の内周面のいずれか一方に被覆された
樹脂膜と、からなることを特徴とするスライドスプライ
ン装置。(1) A bottomed cylindrical outer spline member with a spline formed on its inner circumferential surface, and a spline formed on the outer circumferential surface corresponding to the spline of the outer spline member, and the outer spline member can be expanded and contracted within a predetermined range. an inner spline member that is fitted into the inner spline member; and an inner spline member that is located between the inner spline member and the outer spline member when the inner spline member is fully extended, and that A slide spline device comprising: a resin film coated on either side.
イン部材内周面に離型剤を塗布し、 次に、前記アウタスプライン部材内にモノマーを所定量
注入し、 次いで、前記アウタスプライン部材内に、該アウタスプ
ライン部材のスプラインに対応して外周面にスプライン
が形成されたインナスプライン部材を嵌挿して、該アウ
タスプライン部材と該インナスプライン部材との間のク
リアランスを介して前記モノマーの液位を該アウタスプ
ライン部材の開口側に向って所定位置まで変位させ、 その後、モノマーを重合硬化した、ことを特徴とするス
ライドスプライン装置の製造方法。(2) Applying a mold release agent to the inner peripheral surface of the bottomed cylindrical outer spline member on which splines are formed, then injecting a predetermined amount of monomer into the outer spline member, and then injecting the monomer into the outer spline member. Then, an inner spline member having splines formed on the outer peripheral surface corresponding to the splines of the outer spline member is fitted and inserted, and the liquid level of the monomer is adjusted through the clearance between the outer spline member and the inner spline member. A method for manufacturing a slide spline device, comprising: displacing the monomer to a predetermined position toward the opening side of the outer spline member, and then polymerizing and curing the monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60022337A JPS61184222A (en) | 1985-02-07 | 1985-02-07 | Slide spline device and manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60022337A JPS61184222A (en) | 1985-02-07 | 1985-02-07 | Slide spline device and manufacture thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61184222A true JPS61184222A (en) | 1986-08-16 |
| JPH0454092B2 JPH0454092B2 (en) | 1992-08-28 |
Family
ID=12079885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60022337A Granted JPS61184222A (en) | 1985-02-07 | 1985-02-07 | Slide spline device and manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61184222A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6455411A (en) * | 1987-08-22 | 1989-03-02 | Aisin Seiki | Manufacture of telescopical shaft |
| US5525112A (en) * | 1993-12-06 | 1996-06-11 | Dana Corporation | Combined seal and boot for steering shaft assembly |
| US20140200086A1 (en) * | 2011-11-30 | 2014-07-17 | Nsk Ltd. | Telescopic shaft |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5524290A (en) * | 1978-08-04 | 1980-02-21 | Nacam | Transmitting shaft |
-
1985
- 1985-02-07 JP JP60022337A patent/JPS61184222A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5524290A (en) * | 1978-08-04 | 1980-02-21 | Nacam | Transmitting shaft |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6455411A (en) * | 1987-08-22 | 1989-03-02 | Aisin Seiki | Manufacture of telescopical shaft |
| US5525112A (en) * | 1993-12-06 | 1996-06-11 | Dana Corporation | Combined seal and boot for steering shaft assembly |
| US20140200086A1 (en) * | 2011-11-30 | 2014-07-17 | Nsk Ltd. | Telescopic shaft |
| US9951806B2 (en) | 2011-11-30 | 2018-04-24 | Nsk Ltd. | Telescopic shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0454092B2 (en) | 1992-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |