KR20150049179A - Tripod type constant velocity joint - Google Patents

Tripod type constant velocity joint Download PDF

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Publication number
KR20150049179A
KR20150049179A KR1020130129400A KR20130129400A KR20150049179A KR 20150049179 A KR20150049179 A KR 20150049179A KR 1020130129400 A KR1020130129400 A KR 1020130129400A KR 20130129400 A KR20130129400 A KR 20130129400A KR 20150049179 A KR20150049179 A KR 20150049179A
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KR
South Korea
Prior art keywords
tripod
constant velocity
velocity joint
spherical roller
trunnion
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KR1020130129400A
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Korean (ko)
Inventor
신진식
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현대위아 주식회사
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Priority to KR1020130129400A priority Critical patent/KR20150049179A/en
Publication of KR20150049179A publication Critical patent/KR20150049179A/en

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    • 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
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20—Universal 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
    • F16D3/202—Universal 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 one coupling part having radially projecting pins, e.g. tripod joints
    • F16D3/205—Universal 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 one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
    • F16D3/2055—Universal 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 one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part having three pins, i.e. true tripod joints
    • 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
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20—Universal 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
    • F16D3/202—Universal 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 one coupling part having radially projecting pins, e.g. tripod joints
    • F16D2003/2023—Universal 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 one coupling part having radially projecting pins, e.g. tripod joints with linear rolling bearings between raceway and trunnion mounted shoes

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)

Abstract

The present invention relates to a tripod type constant velocity joint which reduces a gap between a tripod housing and a spherical roller; reduces an axial force; reduces friction to a trunnion; eliminates the skew angle of a needle roller; improves durability and NVH performance; and reduces the weight and the production cost by reducing the number of components of the needle roller, a striker outer, and a circlip. The tripod type constant velocity joint comprises: the tripod housing having a track groove inside to deliver the rotary power of an engine; a spider in a tripod type to be installed inside the tripod housing; the trunnion on the outer circumference of the spider to be inserted into the track groove; the spherical roller having a groove part on the side of the outer wall to be installed on the trunnion; and a ball joined to the groove part of the spherical roller.

Description

트라이포드 타입 등속조인트{Tripod type constant velocity joint}[0001] The present invention relates to a tripod type constant velocity joint,

본 발명은 트라이포드 타입 등속조인트에 관한 것으로서, 좀더 세부적으로 말하자면 니들롤러, 스트라이커 아우터, 써클립을 제거하고 구면롤러에 볼을 추가하여 마찰을 감소시키며, 니들롤러의 스큐각 문제를 해결함으로써 내구성 증가 및 NVH 성능을 향상시키고, 부품수를 절감함으로써 중량절감 및 원가절감을 하는 트라이포드 타입 등속조인트에 관한 것이다.The present invention relates to a tripod-type constant-velocity joint, and more particularly, to improve the durability by eliminating needle rollers, striker outer, and suture clips, adding balls to the spherical roller to reduce friction, And to a tripod-type constant velocity joint for reducing weight and cost by improving the NVH performance and reducing the number of components.

일반적으로 등속조인트는(Contant Velocity Joint)는 엔진의 구동력을 등속으로 휠측에 전달하는 자동차 부품이다. 차량 서스펜션의 변위와 휠측의 조향각 변화에 따라, 등속조인트는 축방향으로 운동하거나 절각되고, 충격을 흡수하며 동력을 휠측에 전달하는 역할을 한다.In general, a constant velocity joint is an automobile part that transmits the driving force of the engine to the wheel side at a constant speed. According to the displacement of the vehicle suspension and the change of the steering angle of the wheel side, the constant velocity joint is moved or cut in the axial direction, absorbs the impact, and transmits the power to the wheel side.

등속조인트의 구조는 크게 인보드(Inboard, 변속기측) 조인트와 아웃보드(Outboard, 휠측) 조인트, 두 조인트를 연결하는 드아이브샤프트로 구성된다, 대표적인 인보드 조인트로 트라이포드 차량의 특성에 따라 적합한 사이즈를 선택 적용한다The structure of the constant velocity joint consists largely of an inboard joint, an outboard joint, and a wheel joint that connects two joints. The typical inboard joint is suitable for the characteristics of a tripod vehicle. Select size apply

도 1은 일반적인 등속조인트의 트라이포드 타입 조인트의 분해 사시도이고, 도 2는 일반적인 등속조인트의 단면 구성도이다.FIG. 1 is an exploded perspective view of a tripod type joint of a general constant velocity joint, and FIG. 2 is a cross sectional view of a general constant velocity joint.

도 1 또는 도 2에 도시되어 있는 바와 같이 일반적인 등속조인트의 구성은, 엔진(도시되지 않음)의 회전동력을 전달하며 내부에 트랙홈이 형성되어 있는 트라이포드 하우징(1)과, 상기 트라이포드 하우징(1)의 내부에 설치되며 트러니언이 트라이포드 타입으로 형성되어 있는 스파이더(2)와, 상기 스파이더(2)의 트러니언의 외주면에 설치되는 니들롤러(4)와, 상기 니들롤러(4)의 외주면에 설치되는 구면롤러(3)와, 상기 니들롤러(4) 및 구면롤러(3)의 상단에 설치되는 스트라이크 아우터(5)와, 상기 스트라이크 아우터(5)의 이탈을 방지하기 위한 써클립(6)을 포함하여 이루어진다.As shown in Fig. 1 or Fig. 2, the construction of a general constant velocity joint includes a tripod housing 1 having a track groove formed therein for transmitting rotational power of an engine (not shown) A needle roller 4 provided on the outer circumferential surface of the trunnion of the spider 2 and a needle roller 4 provided inside the needle roller 4, A strike outer 5 provided at the upper ends of the needle rollers 4 and the spherical rollers 3 and a stapler 5 for preventing the strike outer 5 from coming off, (6).

상기 구성에 의한 일반적인 등속 조인트의 작용은 다음과 같다.The operation of a constant velocity joint according to the above construction is as follows.

엔진(도시되지 않음)으로부터 출력된 회전동력이 트랜스미션(도시되지 않음)을 거쳐 트라이포드 하우징(1)에 전달되면 트라이포드 하우징(1)이 회전되며, 이러한 트라이포드 하우징(1)의 회전동력은 구면롤러(3), 니들롤러(4)를 통해 스파이더(2)로 전달됨으로써 스파이더(2)에 연결되어 있는 샤프트(도시되지 않음)를 회전시킨다. When the rotational power output from the engine (not shown) is transmitted to the tripod housing 1 via a transmission (not shown), the tripod housing 1 is rotated, and the rotational power of the tripod housing 1 is The spherical roller 3 and the needle roller 4 to rotate the shaft (not shown) connected to the spider 2.

그러나, 상기한 바와 같은 종래의 트라이포드 타입 조인트는, 트라이포드 하우징(1)과 구면롤러(3)의 사이에 틈새가 발생하며, 트러니언을 둘러싸고 있는 니들롤러(4)가 서로간의 틈새로 인하여 비스듬하게 스큐각이 발생하게 됨으로써 스파이더(2)의 트러니언과 선접촉하지 않고 점접촉하게 되어 면압의 증가로 인하여 내구성이 악화되고, 구면롤러(3)의 자연스러운 운동을 방해하게 되어 NVH(Noise, Vibration, Harshness) 성능을 저하시키고, 스파이더에 결합하는 구성원들이 복잡하여 조립하는데 문제점이 있다.However, in the conventional tripod type joint as described above, a clearance is generated between the tripod housing 1 and the spherical roller 3, and the needle rollers 4 surrounding the trunnion are caused by a gap between them The skew angle is generated at an oblique angle, thereby making point contact with the trunnion of the spider 2 without making a line contact. As a result, the durability is deteriorated due to an increase in surface pressure and the natural movement of the spherical roller 3 is interrupted, Vibration, Harshness), and there are problems in assembling the members that are coupled to the spider.

본 발명의 목적은 상기한 바와 같은 종래의 문제점을 해결하기 위한 것으로서, 구면롤러에 볼을 결합함으로써 스큐각 문제를 해결하고 내구성 증가 및 NVH 성능을 향상시킨 트라이포드 타입 등속조인트를 제공하는데 있다.SUMMARY OF THE INVENTION It is an object of the present invention to provide a tripod-type constant velocity joint that solves the skew angle problem by combining balls with a spherical roller and improves durability and NVH performance.

본 발명의 다른 목적은, 니들롤러, 스트라이커 아우터, 써클립을 제거함으로써 부품수를 절감하고 조립작업 및 부품관리를 용이하게 할 수 있도록 하는 트라이포드 타입 등속조인트를 제공하는 데 있다. Another object of the present invention is to provide a tripod-type constant velocity joint that can reduce the number of parts and facilitate assembling work and parts management by removing the needle roller, the striker outer, and the servo clip.

상기한 목적을 달성하기 위한 수단으로서 본 발명의 구성은, 엔진의 회전동력을 전달하며 내부에 트랙홈이 형성되어 있는 트라이포드 하우징(10)과, 상기 트라이포드 하우징(10)의 내부에 설치되며 트라이포드 타입으로 형성되어 있는 스파이더(10)와, 상기 스파이더(10)의 외주면에 형성되어 트랙홈에 삽입되는 트러니언(21)과, 상기 트라이언(11)에 설치하면서 외벽 측면에 홈부(31)가 형성되는 구면롤러(30)와, 상기 구면롤러(30)의 홈부(31)에 결합하는 볼(40)을 포함하여 이루어지면 바람직하다.In order to achieve the above object, the present invention provides a motorcycle comprising: a tripod housing (10) having a track groove formed therein for transmitting rotational power of an engine; A trunnion 21 formed on the outer circumferential surface of the spider 10 and inserted into a track groove and a trunnion 21 formed on the outer wall side while being installed on the trion 11, And a ball 40 coupled to the groove 31 of the spherical roller 30. The spherical roller 30 and the spherical roller 30 may be made of the same material.

본 발명의 구성은, 상기한 트라이포드 하우징 트랙홈은 트랙홈 양측벽에 트랙홈 가이드(11)가 이루어지면 바람직하다.The construction of the present invention is preferably such that the above-mentioned tripod housing track grooves have track groove guides 11 formed on both side walls of the track grooves.

본 발명의 구성은, 상기한 트러니언(21)은 돌기형상으로 이루어지면 바람직하다.In the configuration of the present invention, it is preferable that the trunnion 21 is formed in a protruding shape.

본 발명의 구성은, 상기한 구면롤러(30)는 구면롤러(30)의 외주면에 다수의 홈부(12)로 이루어지면 바람직하다.The configuration of the present invention is preferably such that the spherical roller 30 is composed of a plurality of grooves 12 on the outer peripheral surface of the spherical roller 30. [

본 발명은, 트라이포드 하우징과 구면롤러의 틈새를 줄여주면서 축력 저감의 효과와, 트러니언과의 마찰을 감소시키며, 니들롤러의 스큐각 발생을 해소하고 내구성 증가 및 NVH 성능을 향상시키며, 니들롤러, 스트라이커 아우터, 써클립의 부품수를 절감함으로써 중량절감 및 원가절감 하는 효과를 갖는다.The present invention reduces the gap between the tripod housing and the spherical roller, reduces the effect of reducing axial force, reduces friction with the trunnion, eliminates the skew angle of the needle roller, increases durability and improves NVH performance, , The striker outer member, and the servo member, thereby reducing the weight and cost.

도 1은 일반적인 등속 조인트의 외형 구성도이다.
도 2는 일반적인 등속 조인트의 단면 구성도이다.
도 3은 본 발명의 등속 조인트의 단면 구성도이다.
도 4a,4b는 본 발명의 일 실시예에 따른 트라이포드 타입 등속조인트의 스파이더의 요부 구성도이다.Fig. 1 is an external configuration view of a general constant velocity joint.
2 is a cross-sectional view of a general constant velocity joint.
3 is a sectional view of the constant velocity joint of the present invention.
FIGS. 4A and 4B are views showing essential parts of a spider of a tripod type constant velocity joint according to an embodiment of the present invention.

이하, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자가 본 발명을 용이하게 실시할 수 있을 정도로 상세히 설명하기 위하여, 본 발명의 바람직한 실시예를 첨부된 도면을 참조로 하여 상세히 설명하기로 한다. 본 발명의 목적, 작용, 효과를 포함하여 기타 다른 목적들, 특징점들, 그리고 동작상의 이점들이 바람직한 실시예의 설명에 의해 보다 명확해질 것이다. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art can easily carry out the present invention. Other objects, features, and operational advantages of the present invention, including the object, function, and effect, will become more apparent from the description of the preferred embodiments.

참고로, 여기에서 개시되는 실시예는 여러가지 실시가능한 예중에서 당업자의 이해를 돕기 위하여 가장 바람직한 실시예를 선정하여 제시한 것일 뿐, 본 발명의 기술적 사상이 반드시 제시된 실시예에만 의해서 한정되거나 제한되는 것은 아니고, 본 발명의 기술적 사상을 벗어나지 않는 범위내에서 다양한 변화와 부가 및 변경이 가능함은 물론, 균등한 타의 실시예가 가능함을 밝혀 둔다. It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not to be construed as limiting the scope of the invention. It is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and similarities, many of which are within the scope of the present invention.

또한, 본원의 명세서 및 청구범위에 사용된 용어나 단어는, 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 정의된 것으로서, 통상적이거나 사전적인 의미로만 한정해서 해석되어서는 아니되며, 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다. 일예로서, 방향에 관한 용어는 설명상의 편의를 위하여 도면상에 표현된 위치를 기준으로 설정하기로 한다.Also, terms and words used in the description and claims of the present invention are defined based on the principle that the inventor can properly define the concept of a term in order to explain its invention in the best way, And should not be construed as limited to only the prior art, and should be construed in a meaning and concept consistent with the technical idea of the present invention. For example, the terms relating to directions are set on the basis of the position represented on the drawing for convenience of explanation.

도 3은 본 발명의 일 실시예에 따른 트라이포드 타입 등속조인트의 요부 단면이고, 도 4a, 4b는 본 발명의 일 실시예에 따른 트라이포드 타입 등속조인트의 스파이더의 요부 구성도이다.FIG. 3 is a main cross-sectional view of a tripod-type constant velocity joint according to an embodiment of the present invention, and FIGS. 4a and 4b are views showing essential parts of a spider of a tripod type constant velocity joint according to an embodiment of the present invention.

도 3 내지 도 4a, 4b에 도시되어 있는 바와 같이, 본 발명의 일 실시예에 따른 트라이포드 타입 등속조인트의 구성은, 엔진의 회전동력을 전달하며 내부에 트랙홈이 형성되어 있는 트라이포드 하우징과, 상기 트라이포드 하우징의 내부에 설치되며 트라이포드 타입으로 형성되어 있는 스파이더와, 상기 스파이더의 외주면에 형성되어 트랙홈에 삽입되는 트러니언과, 상기 트라이언에 설치하면서 외벽 측면에 홈부가 형성되는 구면롤러와, 상기 구면롤러의 홈부에 결합하는 볼이 형성되는 구조로 이루어진다.3 to 4A and 4B, the construction of a tripod type constant velocity joint according to an embodiment of the present invention includes a tripod housing having a track groove formed therein for transmitting rotational power of the engine, A trunnion which is installed inside the tripod housing and is formed in a tripod type, a trunnion which is formed on an outer circumferential surface of the spider and is inserted into a track groove, and a spherical surface A roller, and a ball coupled to the groove of the spherical roller.

상기한 트라이포드 하우징의 트랙홈은 양측벽에 트랙홈 가이드(11)가 형성되는 구조로 이루어진다.The track grooves of the tripod housing are formed with track groove guides 11 on both side walls.

상기한 구면롤러(30)의 외주면에 다수의 홈부(12)로 형성되는 구조로 이루어진다.And a plurality of grooves 12 formed on the outer circumferential surface of the spherical roller 30.

상기한 구성에 의한, 본 발명의 일 실시예에 따른 트라이포드 타입 등속조인트의 작용은 다음과 같다.The operation of the tripod type constant velocity joint according to one embodiment of the present invention with the above-described structure is as follows.

엔진(도시되지 않음)으로부터 출력된 회전동력이 트랜스미션(도시되지 않음)을 거쳐 트라이포드 하우징(10)에 전달되면 트라이포드 하우징(10)이 회전되며, 이러한 트라이포드 하우징(10)의 회전동력은 롤러 조립체를 통해 스파이더(20)로 전달됨으로써 스파이더(20)에 연결되어 있는 샤프트를 회전시킨다. When the rotational power output from the engine (not shown) is transmitted to the tripod housing 10 via a transmission (not shown), the tripod housing 10 is rotated, and the rotational power of the tripod housing 10 Is transmitted to the spider (20) through the roller assembly to rotate the shaft connected to the spider (20).

또한, 스파이더(20)의 트러니언(21)에 설치되어 있는 구면롤러(30)의 외벽 홈부(31)에 볼(40)을 장착켜서 트라이포드 하우징(10)과 구면롤러(30)의 틈새로 인한 축력이 발생하는 것을 감소하게 된다.The ball 40 is mounted on the outer wall groove 31 of the spherical roller 30 provided on the trunnion 21 of the spider 20 and is guided by a gap between the tripod housing 10 and the spherical roller 30 Thereby reducing the occurrence of an axial force due to the force.

그리고, 구면롤러(30)가 트라이포드 하우징(10)의 트랙홈내의 트랙홈 가이드(11)에서 슬라이딩 이동함으로써 볼(40) 및 구면롤러(30)와 연관되어 있는 샤프트의 회전 각도가 달라지게 됨으로써 스큐각이 발생하지 않게 된다.The rotation angle of the shaft associated with the ball 40 and the spherical roller 30 is changed by sliding the spherical roller 30 in the track groove guide 11 in the track groove of the tripod housing 10 The skew angle is not generated.

10 : 트라이포드 하우징 11 : 트랙홈 가이드
20 : 스파이더 21 : 트러니언 30 : 구면롤러 31 : 구면롤러 홈부
40 : 볼10: Tripod housing 11: Track home guide
20: spider 21: trunnion 30: spherical roller 31: spherical roller groove portion
40: view

Claims (4)

엔진의 회전동력을 전달하며 내부에 트랙홈이 형성되어 있는 트라이포드 하우징(10)과,
상기 트라이포드 하우징(10)의 내부에 설치되며 트라이포드 타입으로 형성되어 있는 스파이더(10)와,
상기 스파이더(10)의 외주면에 형성되어 트랙홈에 삽입되는 트러니언(21)과,
상기 트라이언(11)에 설치하면서 외벽 측면에 홈부(31)가 형성되는 구면롤러(30)와,
상기 구면롤러(30)의 홈부(31)에 결합하는 볼(40)을 포함하여 이루어진다.A tripod housing (10) which transmits rotational power of the engine and has a track groove formed therein,
A spider 10 installed inside the tripod housing 10 and formed in a tripod type,
A trunnion 21 formed on an outer circumferential surface of the spider 10 and inserted into a track groove,
A spherical roller 30 having grooves 31 formed on the outer wall side thereof while being installed on the trilayer 11,
And a ball 40 coupled to the groove 31 of the spherical roller 30. 제 1항에 있어서,
상기한 트라이포드 하우징 트랙홈은 트랙홈 양측벽에 트랙홈 가이드(11)가 이루어지는 것을 특징으로 하는 트라이포드 타입 등속조인트.The method according to claim 1,
Wherein said tripod housing track grooves have track groove guides (11) on both side walls of the track grooves. 제 1항에 있어서,
상기한 트러니언(21)은 돌기형상으로 이루어지는 것을 특징으로 하는 트라이포드 타입 등속조인트.The method according to claim 1,
Wherein the trunnion (21) is formed in a protruding shape. 제 1항에 있어서,
상기한 구면롤러(30)는 구면롤러(30)의 외주면에 다수의 홈부(12)로 이루어지는 것을 특징으로 하는 트라이포드 타입 등속조인트.The method according to claim 1,
Wherein the spherical roller (30) comprises a plurality of grooves (12) on the outer circumferential surface of the spherical roller (30).
KR1020130129400A 2013-10-29 2013-10-29 Tripod type constant velocity joint KR20150049179A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105422660A (en) * 2015-12-16 2016-03-23 长安大学 Minor semi-axis of transmission system of FSAE (Formula SAE) racing car
KR101615937B1 (en) * 2015-12-10 2016-04-27 서한산업(주) A constant velocity joint

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101615937B1 (en) * 2015-12-10 2016-04-27 서한산업(주) A constant velocity joint
CN105422660A (en) * 2015-12-16 2016-03-23 长安大学 Minor semi-axis of transmission system of FSAE (Formula SAE) racing car

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