KR20050051255A - Structure of universal joint for vehicle - Google Patents
Structure of universal joint for vehicle Download PDFInfo
- Publication number
- KR20050051255A KR20050051255A KR1020030085014A KR20030085014A KR20050051255A KR 20050051255 A KR20050051255 A KR 20050051255A KR 1020030085014 A KR1020030085014 A KR 1020030085014A KR 20030085014 A KR20030085014 A KR 20030085014A KR 20050051255 A KR20050051255 A KR 20050051255A
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- South Korea
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- shaft
- cross
- cross shaft
- cover
- universal joint
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Classifications
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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
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/40—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes
- F16D3/41—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes with ball or roller bearings
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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
- F16D2300/00—Special features for couplings or clutches
- F16D2300/06—Lubrication details not provided for in group F16D13/74
Abstract
본 발명은 차량용 유니버설조인트의 구조에 관한 것으로, 십자축(30)의 양측면에는 제1십자축커버(60)와 제2십자축커버(70)가 각각 볼트(81,83)체결되어 결합되고, 상기 십자축(30)과 상기 제1,2십자축커버(60,70)사이에는 윤활부재(90)가 충진되며, 상기 십자축(30)과 제1,2십자축커버(60,70)의 조립체가 구동축(10)의 요크(11)와 종동축(20)의 요크(21)사이에 배치되어 다수개의 베어링핀(41)을 통해 결합이 이루어지게 됨으로써, 상기 제1,2십자축커버(60,70) 및 윤활부재(90)에 의해 외부의 먼지와 이물질 및 수분등이 상기 십자축(30)으로 유입되는 것이 근본적으로 차단되며, 이에 따라 전체적인 기밀성능이 향상될 수 있도록 된 것이다.The present invention relates to a structure of a universal joint for a vehicle, wherein both side surfaces of the cross shaft 30 are coupled to the first cross shaft cover 60 and the second cross shaft cover 70 by bolts 81 and 83, respectively. The lubrication member 90 is filled between the cross shaft 30 and the first and second cross shaft covers 60 and 70, and the cross shaft 30 and the first and second cross shaft covers 60 and 70. Of the assembly is disposed between the yoke 11 of the drive shaft 10 and the yoke 21 of the driven shaft 20 to be coupled through a plurality of bearing pins 41, thereby covering the first and second cruciform shaft covers. By the 60 and 70 and the lubrication member 90, the external dust, foreign matter, and moisture to be introduced into the cross shaft 30 is essentially blocked, thereby improving the overall airtight performance.
Description
본 발명은 차량용 유니버설조인트의 구조에 관한 것으로, 특히 먼지와 이물질 및 수분의 유입을 근본적으로 차단하여 전체적으로 기밀성능을 향상시키면서 동력전달의 성능도 증대시킬 수 있도록 하는 차량용 유니버설조인트의 구조에 관한 것이다.The present invention relates to a structure of a universal joint for a vehicle, and more particularly, to a structure of a universal joint for a vehicle to fundamentally block the inflow of dust, foreign substances and water, thereby improving the performance of power transmission while improving the overall airtight performance.
일반적으로, 자재이음의 한 종류로서 사용되는 유니버설조인트(universal joint)는 일직선상에 있지 않고 어떤 각도를 가진 두 개의 축을 동력의 전달을 위해 서로 연결하기 위한 결합부품으로서, 주로 변속기에서 구동바퀴에 이르는 동력전달 계통의 연결부나 또는 조향장치의 연결부에 사용된다.Generally, universal joints, which are used as a kind of material joint, are coupling parts for connecting two shafts at an angle to each other for transmission of power, not in a straight line. It is used for the connection of the power transmission system or the connection of the steering system.
상기와 같은 유니버설조인트의 통상적인 구조는 도 1에 도시된 바와 같이, 구동축(10)의 요크(11)와 종동축(20)의 요크(21)사이에 십자축(30)이 배치된 상태에서 네 개의 베어링핀(41)에 의해 상기 요크(11,21)와 십자축(30)의 각 단부가 서로 연결됨으로써 조립이 이루어지게 되며, 또한 상기 요크(11,21)와 십자축(30)의 결합부는 더스트커버(50)에 의해 감싸여져 이들을 보호하는 구조로 되어 있다.As shown in FIG. 1, the general structure of the universal joint includes a cross shaft 30 disposed between the yoke 11 of the drive shaft 10 and the yoke 21 of the driven shaft 20. The four bearing pins 41 are connected to each end of the yoke 11 and 21 and the cross shaft 30 to be assembled to each other, and the assembly of the yoke 11 and 21 and the cross shaft 30 is performed. Coupling portion is wrapped by the dust cover 50 has a structure to protect them.
한편, 상기와 같은 유니버설조인트는 요크(11,21)와 십자축(30)의 결합부위가 대부분 실외측에 배치되는 관계로 인해 먼지와 이물질 및 수분의 유입을 차단시키는 것이 중요한 과제이며, 종래의 유니버설조인트는 더스트커버(50)가 이 역할을 담당하게 된다.On the other hand, the universal joint is an important problem to block the inflow of dust, foreign matter and water due to the relationship that the coupling portion of the yoke (11, 21) and the cross shaft 30 is disposed on the outdoor side, the conventional Universal joint is the dust cover 50 is to play this role.
그러나, 상기와 같은 더스트커버(50)는 먼지 및 이물질의 유입을 차단시키는 데에는 매우 효과적이나, 수분의 유입은 효과적으로 차단시키지 못하게 되고 또한 유입된 수분의 배출도 어려워 시간이 경과됨에 따라 상기 요크(11,21)와 십자축(30)의 결합부에서 부식현상이 발생되는 문제점이 있었다.However, the dust cover 50 as described above is very effective in blocking the inflow of dust and foreign matter, but it is difficult to effectively block the inflow of moisture and also difficult to discharge the introduced moisture as the yoke (11) over time , 21) and the cross section (30) has a problem that the corrosion phenomenon occurs.
이와 같이, 요크(11,21)와 십자축(30)의 결합부에서 부식현상이 발생되면 결국 동력전달이 원활하게 이루어지지 않게 되며 이는 교통사고의 유발시키는 원인으로서 발전하게 된다.As such, when corrosion occurs at the coupling portions of the yokes 11 and 21 and the cross shaft 30, power transmission is not smoothly performed, which is developed as a cause of traffic accidents.
이에 본 발명은 상기와 같은 문제점을 해소하기 위해 안출된 것으로, 십자축을 전체적으로 감싸 보호하는 한 쌍의 십자축커버를 이용하여 먼지와 이물질 및 수분으로부터 완전히 보호될 수 있도록 함으로써, 요크와 십자축의 결합부에서 부식현상이 발생되지 않도록 하고 더불어 동력전달 성능의 향상에도 도움을 줄 수 있도록 하는 차량용 유니버설조인트의 구조를 제공함에 그 목적이 있다.Therefore, the present invention has been made to solve the above problems, by using a pair of cross-shaft cover to protect the cross-shaft as a whole to be completely protected from dust, foreign matter and moisture, the coupling portion of the yoke and the cross-shaft The purpose of the present invention is to provide a structure of a universal joint for a vehicle to prevent corrosion from occurring and to help improve power transmission performance.
상기와 같은 목적을 달성하기 위한 본 발명은, 구동축의 요크와 종동축의 요크가 십자축 및 다수개의 베어링핀에 의해 회전가능하게 결합되어 이루어지는 차량용 유니버설조인트의 구조에 있어서, 상기 십자축의 양측면에는 제1십자축커버와 제2십자축커버가 각각 볼트체결되어 결합되고, 상기 십자축과 상기 제1,2십자축커버사이에는 윤활부재가 충진되는 것을 특징으로 한다.The present invention for achieving the above object, in the structure of the universal joint for a vehicle in which the yoke of the drive shaft and the yoke of the driven shaft is rotatably coupled by the cross shaft and a plurality of bearing pins, wherein both sides of the cross shaft The first cross cover and the second cross cover are each bolted together, and a lubrication member is filled between the cross shaft and the first and second cross cover.
이하 본 발명의 실시예를 첨부된 예시도면을 참조로 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 2는 본 발명에 따른 유니버설조인트의 사시도로서, 종래 구조와 동일한 부위에는 동일한 참조부호를 붙이면서 설명하기로 한다.Figure 2 is a perspective view of a universal joint according to the present invention, will be described with the same reference numerals to the same parts as the conventional structure.
본 발명에 따른 유니버설조인트는 도 2와 도 3에 도시된 바와 같이 십자축(30)의 양측면으로는 제1십자축커버(60) 및 제2십자축커버(70)가 각각 볼트(81,83)를 통해 체결되어 결합되고, 상기 십자축(30)과 상기 제1,2십자축커버(60,70)사이의 공간에는 윤활부재(90)가 충진된다.In the universal joint according to the present invention, as shown in FIGS. 2 and 3, both side surfaces of the cross shaft 30 have a first cross shaft cover 60 and a second cross shaft cover 70 bolts 81 and 83, respectively. It is coupled through the coupling and the lubrication member 90 is filled in the space between the cross shaft 30 and the first and second cross shaft cover (60, 70).
그리고, 상기 십자축(30)과 제1,2십자축커버(60,70)와 윤활부재(90)로 이루어진 조립체는 구동축(10)의 요크(11)와 종동축(20)의 요크(21)사이에 배치되어 네 개의 베어링핀(41)을 통해 상기 요크(11,21)와 십자축(30)의 각 단부가 서로 연결됨으로써 조립이 이루어지게 된다.Then, the assembly consisting of the cross shaft 30, the first and second cross shaft cover (60, 70) and the lubrication member 90 is the yoke 11 of the drive shaft 10 and the yoke (21) of the driven shaft (20). Disposed between the ends of the yoke (11, 21) and the cross-shaft (30) through the four bearing pins 41 are assembled to each other.
여기서, 상기 십자축(30)의 양측면 중앙부에는 볼트(81,83)의 체결을 위한 볼트구멍(31)이 각각 형성되고, 상기 제1,2십자축커버(60,70)의 중앙부에는 상기 볼트구멍(31)과 연통되어지는 관통구멍(61,63)이 각각 형성된다.Here, bolt holes 31 for fastening the bolts 81 and 83 are formed at the central portions of both side surfaces of the cross shaft 30, and the bolts are formed at the central portions of the first and second cross shaft covers 60 and 70, respectively. Through-holes 61 and 63 which communicate with the hole 31 are formed, respectively.
이에 따라, 상기 볼트(81,83)는 제1,2십자축커버(60,70)의 관통구멍(61,63)을 일직선으로 관통하여 십자축(30)의 볼트구멍(31)으로 체결됨으로써, 상기 십자축(30)과 제1,2십자축커버(60,70)의 조립을 완료시키게 된다.Accordingly, the bolts 81 and 83 penetrate through the through holes 61 and 63 of the first and second cross shaft covers 60 and 70 in a straight line to be fastened to the bolt holes 31 of the cross shaft 30. The assembling of the cross shaft 30 and the first and second cross shaft covers 60 and 70 is completed.
그리고, 상기 제1,2십자축커버(60,70)의 테두리면에는 요(凹)와 철(凸)이 연속적으로 형성된 단차부(63,73)가 형성되는 바, 상기 단차부(63,73)는 제1,2십자축커버(60,70)가 볼트(81,83)의 체결력을 통해 십자축(30)에 결합될 때 서로 암수결합되면서 기밀을 유지하게 된다.In addition, the stepped portions 63 and 73 are formed on the edges of the first and second cruciform shaft covers 60 and 70 so that yaw and iron are continuously formed. 73 is male and female when the first and second cross shaft covers 60 and 70 are coupled to the cross shaft 30 through the fastening force of the bolts 81 and 83, thereby maintaining airtightness.
한편, 상기 윤활부재(90)는 먼지와 이물질 및 수분등이 상기 제1,2십자축커버(60,70)를 통과하여 십자축(30)으로 유입되는 것을 차단하게 되며, 이와 같은 역할을 충실히 수행하기 위해서는 상기 윤활부재(90)가 그리스(grease)인 것이 가장 바람직하다고 할 수 있다.On the other hand, the lubricating member (90) is to block the dust, foreign matter and moisture to pass through the first and second cross cover (60, 70) to the cross shaft (30), faithfully play such a role In order to perform it, it can be said that the lubrication member 90 is grease.
따라서, 본 발명에 따른 구조의 유니버설조인트는 제1,2십자축커버(60,70)와 윤활부재(90)에 의해 외부의 먼지와 이물질 및 수분등이 십자축(30)으로 유입되는 것을 근본적으로 차단시킬 수 있게 됨으로써, 더스트커버(50)를 이용하는 종래의 유니버설조인트보다 기밀성능이 대폭 증대되는 잇점이 있게 된다.Therefore, the universal joint of the structure according to the present invention is essentially the first and second cross-shaft cover (60, 70) and the lubrication member 90, the external dust, foreign matter, moisture, etc. are introduced into the cross-shaft (30). Being able to block by the, there is an advantage that the airtight performance is significantly increased than the conventional universal joint using the dust cover (50).
이와 같이 기밀성능이 증대된 본 발명의 유니버설조인트는 부식현상에 대한 우려를 배제할 수 있게 되며, 더불어 동력전달의 성능을 향상시키는 데에도 많은 도움이 있게 된다.As described above, the universal joint of the present invention, in which the airtight performance is increased, can eliminate the concern about corrosion, and also help to improve the performance of power transmission.
이상 설명한 바와 같이 본 발명에 의한 유니버설조인트는, 십자축에 결합되는 한 쌍의 제1,2십자축커버 및 이들 사이에 충진되는 윤활부재에 의해 외부의 먼지와 이물질 및 수분등이 상기 십자축으로 유입되는 것이 근본적으로 차단되며, 이에 따라 전체적으로 기밀성능이 향상됨으로써 동력전달의 성능도 대폭 향상되는 효과가 있게 된다.As described above, the universal joint according to the present invention includes a pair of first and second cruciform covers coupled to the cruciform shaft and lubricating members filled therebetween, such that external dust, foreign matter, water, and the like are transferred to the cross shaft. Inflow is fundamentally blocked, and as a result, the airtight performance is improved as a whole, thereby greatly improving the performance of power transmission.
도 1은 일반적으로 사용되는 유니버설조인트를 설명하기 위한 사시도,1 is a perspective view for explaining a universal joint commonly used,
도 2는 본 발명에 따른 유니버설조인트의 사시도,2 is a perspective view of a universal joint according to the present invention;
도 3은 도 2의 Ⅰ-Ⅰ선 부분단면도이다.3 is a partial cross-sectional view taken along line II of FIG. 2.
< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>
10 - 구동축 11,21 - 요크10-drive shaft 11,21-yoke
20 - 종동축 30 - 십자축20-driven shaft 30-cross shaft
41 - 베어링핀 60 - 제1십자축커버41-Bearing Pin 60-First Cross Shaft Cover
63,73 - 단차부 70 - 제2십자축커버63,73-Stepped part 70-2nd cross cover
81,83 - 볼트 90 - 윤활부재81,83-Bolt 90-Lubrication member
Claims (4)
Priority Applications (1)
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KR1020030085014A KR20050051255A (en) | 2003-11-27 | 2003-11-27 | Structure of universal joint for vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020030085014A KR20050051255A (en) | 2003-11-27 | 2003-11-27 | Structure of universal joint for vehicle |
Publications (1)
Publication Number | Publication Date |
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KR20050051255A true KR20050051255A (en) | 2005-06-01 |
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Family Applications (1)
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KR1020030085014A KR20050051255A (en) | 2003-11-27 | 2003-11-27 | Structure of universal joint for vehicle |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100899954B1 (en) * | 2008-09-02 | 2009-05-28 | 트윈에너지(주) | System of air conditioning for electro-mobile |
KR101361457B1 (en) * | 2011-11-25 | 2014-02-11 | 현대자동차주식회사 | Universal joint for automobile |
-
2003
- 2003-11-27 KR KR1020030085014A patent/KR20050051255A/en not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100899954B1 (en) * | 2008-09-02 | 2009-05-28 | 트윈에너지(주) | System of air conditioning for electro-mobile |
KR101361457B1 (en) * | 2011-11-25 | 2014-02-11 | 현대자동차주식회사 | Universal joint for automobile |
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