KR100363490B1 - 등속조인트의외륜과축의접합구조 - Google Patents

등속조인트의외륜과축의접합구조 Download PDF

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KR100363490B1
KR100363490B1 KR1019970700456A KR19970700456A KR100363490B1 KR 100363490 B1 KR100363490 B1 KR 100363490B1 KR 1019970700456 A KR1019970700456 A KR 1019970700456A KR 19970700456 A KR19970700456 A KR 19970700456A KR 100363490 B1 KR100363490 B1 KR 100363490B1
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outer ring
shaft
press
hole
hole portion
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KR970704974A (ko
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오사무 시미즈
히로시 나카하시
노부오 스즈키
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엔티엔 가부시키가이샤
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/064Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable
    • F16D1/072Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable involving plastic deformation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • F16D3/226Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • F16D3/226Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part
    • F16D3/227Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part the joints being telescopic
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10Quick-acting couplings in which the parts are connected by simply bringing them together axially
    • F16D2001/102Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via polygon shaped connections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10Quick-acting couplings in which the parts are connected by simply bringing them together axially
    • F16D2001/103Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • F16D2003/22326Attachments to the outer joint member, i.e. attachments to the exterior of the outer joint member or to the shaft of the outer joint member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00Manufacturing; Assembly
    • F16D2250/0061Joining
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2300/00Special features for couplings or clutches
    • F16D2300/12Mounting or assembling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S464/00Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
    • Y10S464/904Homokinetic coupling
    • Y10S464/905Torque transmitted via radially extending pin
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/49Member deformed in situ
    • Y10T403/4941Deformation occurs simultaneously with action of separate, diverse function, joint component
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/49Member deformed in situ
    • Y10T403/4966Deformation occurs simultaneously with assembly
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/70Interfitted members
    • Y10T403/7098Non-circular rod section is joint component

Abstract

등속조인트의 셀형의 외륜과 축을 기계적인 방법에 의하여 확실히 접합할 수 있는 구조를 제공한다.
프레스 성형되는 외륜(1)의 끝벽에 원형의 구멍부(4)를 설치하고, 그 구멍부(4)의 내주면에 다각형면 또는 세레이션홈을 형성하고, 축(5)의 끝부에 설치한, 돌출부(7)를 상기 구멍부(4)에 압입 끼워맞춤하여 회전고정을 행한다.

Description

등속조인트의 외륜과 축의 접합구조{ARRANGEMENT FOR JOINING OUTER RING AND SHAFT OF HOMOKINETIC JOINT}
등속조인트의 경량화나 제조의 저코스트화를 도모하는 점에서, 프레스 가공으로 성형할 수 있는 셸형의 외륜이 주목되고 있다. 그런데, 이와 같은 셸형 외륜은 전체가 얇은 강판으로 형성되어 있기 때문에, 축과 공고히 접합하는 것이 어렵고, 외륜과 축과의 접합구조가 문제로 되기 쉽다. 즉, 외륜과 축의 접합강도가 충분하지 않으면, 등속조인트의 성능 그 자체가 크게 저하하는 형편이 좋지 않음이 있다.
종래, 이 종류의 셸형 외륜과 축을 접합하는 방법으로서, 예를들면 일본특개소 58-8831호 공보에는, 외륜과 축을 볼트를 사용하여 연결하거나, 용접에 의하여 일체로 굳게 붙임하는 방법이 고려되고 있다.
그러나, 이와 같은 볼트나 용접에 의한 접합방법에서는, 외륜을 성형하는 프레스가공과는 전혀 다른 작업공정을 제조라인중에 짜넣을 필요가 있기 때문에, 작업성이 나쁘다라는 문제가 있다. 또 용접에 의하여 접합하는 방법에서는, 용접의열등의 영향에 의하여 외륜의 접합부의 강도가 저하하기 쉽고, 더하여, 용접얼룩등이 있으며, 외륜과 축사이에는 높은 부하 토오크가 가하여 졌을때에, 접합부분에서 파괴등이 생길 위험성이 있다.
여기서, 본 발명은 상기의 문제를 해결하고 용접등의 수단을 사용하지 않고 간단한 기계적인 가공방법에 의하여 확실히 외륜과 축을 접합할 수 있는 접합구조를 제공하는 것을 목적으로 하고 있다.
본 발명은, 등속조인트에 있어서 프레스 성형된 외륜과 축과의 접합구조에 관한 것이다.
도 1(a), 도 1(b)는 각각 실시예의 외륜과 축의 접합방법을 도시하는 단면도,
도 2(a)는 실시예의 외륜의 정면도, 도 2(b)는 축단부의 정면도,
도 3(a)는 타의 실시예의 외륜의 정면도, 도 3(b)는 축단부의 정면도,
도 4(a), 도 4(b)는 타의 실시예의 외륜과 축의 접합방법을 도시하는 단면도.
(발명의 개시)
상기의 과제를 해결하기 위하여, 이 발명은 프레스 가공에 의하여 성형된 조인트 외륜에, 축의 끝부가 끼워맞춤하는 구멍부를 설치하고, 그 구멍부 내주면에 복수의 평탄면 또는 홈을 형성하고, 이 구멍부에 축의 끝부를 압입 끼워맞춤하여 외륜과 축을 일체로 접합한 구조로 한 것이다.
더욱, 상기의 평탄면 또는 홈을 형성한 조인트 외륜의 구멍부 내주면의 경도를 상기 축의 끼워맞춤 부분의 경도보다 높게 설정한 구성으로 할 수가 있다.
상기의 구조에 있어서, 외륜의 구멍부에 축의 끝부를 압입 끼워맞춤하면, 구멍부내주면에 설치한 평탄면이나 홈이 끼워맞춤 부분을 회전고정하고, 외륜과 축이 일체로 연결된다.
이 경우, 구멍부 내주면의 경도를 축의 끼워맞춤부분의 경도보다 높게 설정함으로서, 압입후도 이들의 형상이 유지됨과 동시에, 그 형상이 축의 끼워맞춤부분에 전사된다.
발명을 실시하기 위한 최량의 형태.
이하, 이 발명의 실시예를 첨부도면에 의거하여 설명한다.
도 1 및 도 2에 도시하는 바와 같이, 외륜(1)은 얇은 강판으로 이루어지는 파이프소재 또는 밑이 있는 원통상 소재를 프레스 가공하여 전체가 캡상으로 성형되어 있고, 외륜(1)의 외주면에 꽃잎모양을 한 복수의 트랙홈(2)이 형성되어 있다. 그의 외륜(1)은, 내부에 볼이나 게이지, 내륜등으로 이루어지는 토오크 전달부재(3)를 짜넣으므로서, 등속성을 갖는 조인트부를 형성한다. 또 외륜(1)의 끝벽(1a)의 중앙에는, 프레스의 블랭킹에 의하여 구멍부(4)가 형성되어 있다.
구멍부(4)의 내주면에는 도 2(a)에 도시하는 바와 같은 다각형면(8), 또는 도 3(a)에 도시하는 바와 같은 세레이션홈(10)이 형성되어 이들의 부분은, 침탄처리나 고주파 담금질 등의 표면경화처리가 실시되어 있다.
외륜(1)과 접합되는 축(5)은, 한쪽 끝부의 외주면에 나사부(6)가 형성되고다른쪽의 끝부에 대경부(11)가 형성됨과 동시에, 그 대경부(11)의 선단면에 외륜(1)의 구멍부(4)에 끼워맞춤하는 돌출부(7)가 형성되어 있다.
이 돌출부(7)는 원재 대로이고, 표면의 경화처리는 되어있지 않다. 또 그 외경치수는 구멍부(4)의 내접 원직경보다도 약간 크게 설정된다. 또 대경부(11)와 돌출부(7)와의 사이의 단부에 둘레홈(13)이 형성되고, 그 둘레홈(13)에 시일부재(12)가 장착된다.
상기와 같은 외륜(1)과 축(5)의 접합은, 도 1(a)에 도시하는 바와 같이, 외륜(1)의 구멍부(4)에 대하여 축(5)의 돌출부(7)를 압입 끼워맞춤하고, 외륜(1)의 내측에 돌출한 돌출부(7)의 선단을 코킹구(9)에 의하여 축방향으로 타격하여, 도 1(b)와 같이 축(5)의 끝부에 코킹부(14)를 형성하여 외륜(1)과 축(5)을 굳게 붙임한다.
이 압입 끼워맞춤한 상태에서는, 그구멍부(4)의 내주면에 설치한 다각형면(8)이나 세레이션 홈(10)이 돌출부(7)에 전사되어 외륜(1)을 회전고정하고, 또, 축방향으로는 코킹부(14)에 의하여 끼워맞춤부의 형이 제거되고, 외륜(1)과 축(5)은 일체로 회전한다. 또 축(5)의 돌출부(7)의 코킹은 압입에 의하여 생기는 외륜(1)의 끝벽(1a)의 변형을 교정하는 효과도 있다.
다음에, 도 4(a)(b)는 타의 실시예의 외륜(1)과 축(5)의 접합구조를 도시하는 것이다. 이 경우의 축(5)은, 선단부의 나사부(6)도 포함하고, 외륜(1)의 구멍부(4)보다 약간 소직경으로 형성되고, 또 축(5)의 타단부는 구멍부(4)의 내경보다 약간 대직경의 끼워맞춤부(15)가 형성되고, 더욱 그 선단에 빠짐방지용의플랜지(16)가 형성된다. 또 외륜(1)의 구멍부(4)에는, 상술의 도 2, 도 3과 꼭같은 다각형면(8) 또는 세레이션 홈(10)이 형성되고, 동시에 경화처리가 실시된다.
이 축(5)을 도 4(a)의 화살표로 도시하는 바와 같이 외륜(1)의 안측에서 구멍부(4)에 삽입하고, 끼워맞춤부(15)의 부분에서는, 동도(b)에 도시하는 바와 같이, 다이스(17)에 끼움과 동시에, 코킹구(9)에 의하여 축(5)을 타격하여 코킹부(18)를 형성한다. 끼워맞춤부(15)에는 구멍부(4)의 다각형면(8) 또는 세레이션 홈(10)이 전사된다.
이상과 같이 본 발명은, 외륜과 축을 압입 끼워맞춤하여 기계적으로 접합하기 때문에, 외륜의 프레스 성형작업에 연속하여 외륜과 축의 접합위치를 행하는 것이 가능하게 되고, 등속조인트의 제조를 효율좋게 행할 수가 있다.
또, 압입 끼워맞춤되는 외륜의 구멍 내주면에 형성한 평탄면 또는 홈에 의하여 회전고정을 도모하므로, 외륜과 축을 확실히 연결할 수가 있고, 안정한 등속조인트의 사용을 가능하게 하는 효과가 있다.
더욱, 상기 외륜의 구멍부의 경도를 축의 끼워맞춤부분의 경도보다 높게 설정함으로서, 압입상태로 그 형성이 유지될 수 있음과 동시에, 그 형상을 축을 끼워맞춤부에 전사할 수 있으므로, 한층더 확실히 동시에 공고하게 접합할 수가 있다.

Claims (2)

  1. 프레스 가공에 의하여 성형된 조인트 외륜에, 축의 끝부가 끼워맞춤하는 구멍부를 설치하고, 그 구멍부 내주면에 복수의 평탄면 또는 홈을 형성하고, 이 구멍부에 축의 끝부를 압입 끼워맞춤하여 외륜과 축을 일체로 접합한 등속조인트의 외륜과 축의 접합구조.
  2. 제 1 항에 있어서, 상기 평탄면 또는 홈을 형성한 조인트 외륜의 구멍부 내주면의 경도를 상기 축의 끼워맞춤부분의 경도보다 높게 설정하여 이루는 것을 특징으로 하는 등속조인트의 외륜과 축과의 접합구조.
KR1019970700456A 1995-05-31 1996-01-16 등속조인트의외륜과축의접합구조 KR100363490B1 (ko)

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JPH0849727A (ja) 1996-02-20
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DE19680507T1 (de) 1998-01-08
WO1996038680A1 (fr) 1996-12-05
DE19680507B3 (de) 2014-08-28
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