KR200314142Y1 - Ball joint - Google Patents

Ball joint Download PDF

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Publication number
KR200314142Y1
KR200314142Y1 KR2019980022112U KR19980022112U KR200314142Y1 KR 200314142 Y1 KR200314142 Y1 KR 200314142Y1 KR 2019980022112 U KR2019980022112 U KR 2019980022112U KR 19980022112 U KR19980022112 U KR 19980022112U KR 200314142 Y1 KR200314142 Y1 KR 200314142Y1
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KR
South Korea
Prior art keywords
ball
seat
socket
joint
hollow
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Application number
KR2019980022112U
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Korean (ko)
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KR20000009989U (en
Inventor
준 규 송
Original Assignee
주식회사 만도
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Priority to KR2019980022112U priority Critical patent/KR200314142Y1/en
Publication of KR20000009989U publication Critical patent/KR20000009989U/en
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Publication of KR200314142Y1 publication Critical patent/KR200314142Y1/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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
    • F16C11/0623—Construction or details of the socket member
    • F16C11/0647—Special features relating to adjustment for wear or play; Wear indicators
    • 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
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
    • F16C11/0623—Construction or details of the socket member
    • F16C11/0628—Construction or details of the socket member with linings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

본 고안은 이음부의 회전 또는 굴절이 가능한 볼 조인트에 관한 것으로, 더욱 상세하게는 볼의 외면을 감싸 지지해주는 볼시트의 구조에 관한 것이다.The present invention relates to a ball joint capable of rotation or refraction of the joint, and more particularly relates to the structure of the ball seat to surround the support of the outer surface of the ball.

본 고안에 따른 볼 조인트는 소켓부의 내측에 설치되어 볼의 외면을 감싸 지지하는 볼시트의 일측에 중공부가 형성되고, 최초 볼과 볼시트가 결합될 때 상기 중공부가 약간 수축되어 팽창하려는 힘을 가지도록 하였다. 따라서, 볼의 유동으로 볼시트의 내곡면이 마모되더라도 중공부가 원래상태로 복원되려하면서 볼시트가 부풀어올라 볼의 외면을 눌러주게 됨으로써 장기간 사용을 하더라도 볼시트의 내곡면과 볼의 유격이 방지되는 효과가 있다.The ball joint according to the present invention has a hollow portion formed on one side of the ball seat which is installed inside the socket part to surround and support the outer surface of the ball, and when the first ball and the ball sheet are combined, the hollow part has a slight contraction force to expand. It was made. Therefore, even if the inner surface of the ball sheet is worn out due to the flow of the ball, the hollow part is restored to its original state while the ball sheet swells and presses the outer surface of the ball. It works.

Description

볼 조인트Ball joint

본 고안은 이음부의 회전 또는 굴절이 가능한 볼 조인트에 관한 것으로, 더욱 상세하게는 볼의 외면을 감싸 지지해주는 볼시트의 구조에 관한 것이다.The present invention relates to a ball joint capable of rotation or refraction of the joint, and more particularly relates to the structure of the ball seat to surround the support of the outer surface of the ball.

볼 조인트는 일단부에 둥근 볼이 형성된 볼스터드부와, 이 볼스터드부가 수용되는 소켓부가 결합되는 이음구조이다. 즉, 볼스터드의 볼이 소켓부와 결합된 상태에서 회동이 됨으로써, 두 결합요소간에 관절을 이루어 회전과 굴절이 가능한 이음형태로, 이러한 볼 조인트는 산업설비나 기계장치를 구성할 때 다양하게 적용되고 있다.The ball joint is a joint structure in which a ball stud portion having a round ball is formed at one end, and a socket portion in which the ball stud portion is accommodated. In other words, the ball of the ball stud is rotated in the state coupled with the socket portion, the joint between the two coupling elements to form a joint that can be rotated and refracted, such ball joints are applied in a variety of applications when configuring industrial equipment or machinery It is becoming.

도 1은 종래 볼 조인트의 구조를 보인 단면도이다. 이에 도시된 바와 같이, 종래 볼 조인트의 볼스터드부(10)는 지지축부(11)의 단부에 둥근 형상의 볼(12)이 형성된 것으로, 볼(12)과 지지축부(11)를 연결하는 목부(13)가 잘록하게 형성되어 있다.1 is a cross-sectional view showing the structure of a conventional ball joint. As shown therein, the ball stud portion 10 of the conventional ball joint is formed with a round ball 12 at the end of the support shaft portion 11, the neck portion connecting the ball 12 and the support shaft portion 11 (13) is formed in a narrow shape.

그리고, 소켓부(20)는 볼스터드부(10)의 볼(12)이 수용될 수 있도록 내측이 비어있고, 일단부가 개구된 구조로 마련되는데, 이 소켓부(20)에는 내측에 끼워지는 볼(12)이 걸려 지지됨과 동시에 회동이 가능하도록 볼(12)의 외면을 감싸 지지하는 볼시트(21)가 설치되어 있다. 이 볼시트(21)는 합성수지재가 성형되어 마련되며, 중심부에 볼(12)이 지지되는 내곡면(22)이 형성되어 있다.In addition, the socket portion 20 is provided with a structure in which an inner side is empty and one end portion is opened so that the ball 12 of the ball stud portion 10 can be accommodated, and the socket portion 20 has a ball fitted inside. A ball seat 21 is provided to wrap and support the outer surface of the ball 12 so that the support 12 is caught and supported. The ball sheet 21 is formed by molding a synthetic resin material, and the inner curved surface 22 on which the ball 12 is supported is formed in the center portion.

그리고, 소켓(20)의 입구부에는 소켓(20)에 끼워진 볼(12)과 볼시트(21)가 이탈되지 않도록 지지링(23)이 설치되어 있다.In addition, the support ring 23 is installed at the inlet of the socket 20 so that the ball 12 and the ball seat 21 fitted into the socket 20 are not separated.

이와 같이 구성된 종래의 볼 조인트는 소켓(20)의 내부에 끼워진 볼(12)부분이 볼시트(21)에 지지된 채로 회동을 하게 됨으로써, 볼스터드부(10)와 소켓부(10)사이의 회전과 굴절이 가능하게 된다.In the conventional ball joint configured as described above, the ball 12, which is inserted into the socket 20, is rotated while being supported by the ball seat 21, thereby providing a space between the ball stud portion 10 and the socket portion 10. Rotation and refraction are possible.

그러나, 이러한 종래의 볼 조인트는 장기간 사용을 하게 되면 볼(12)을 지지하는 볼시트부(21)의 내곡면이 마모되게 되어 볼(12)과 볼시트(21) 사이에 유격이발생됨으로써, 연결부에서 덜거덕거리는 소음이 발생되는 문제가 있었다.However, such a conventional ball joint is a long-term use of the inner curved surface of the ball seat portion 21 for supporting the ball 12 is worn, so that the play between the ball 12 and the ball seat 21, There was a problem of rattling noises at the connection.

본 고안은 이와 같은 문제점을 해결하기 위한 것으로, 본 고안의 목적은 볼을 지지하는 볼시트가 탄성력을 구비하여 마모된 두께만큼 부풀어오르게 함으로써, 볼과 볼시트 사이에 유격의 발생이 방지되는 볼 조인트를 제공하는 것이다.The present invention is to solve such a problem, an object of the present invention is to ensure that the ball seat supporting the ball is swollen by the wear thickness having elastic force, thereby preventing the occurrence of play between the ball and the ball seat To provide.

도 1은 종래 볼 조인트의 구조를 보인 단면도이다.1 is a cross-sectional view showing the structure of a conventional ball joint.

도 2는 본 고안에 따른 볼 조인트의 구조를 보인 단면도이다.2 is a cross-sectional view showing the structure of a ball joint according to the present invention.

도 3은 본 고안에 따른 볼 조인트의 다른 실시 예를 보인 것이다.Figure 3 shows another embodiment of a ball joint according to the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

30: 볼스터드부, 31: 볼,30: ball stud portion, 31: ball,

32: 지지축부, 40: 소켓부,32: support shaft portion, 40: socket portion,

41: 볼트부, 42: 턱부,41: bolt portion, 42: jaw portion,

50: 볼시트, 51: 내곡면,50: ball seat, 51: inner surface,

52: 중공부, 53: 탄성체,52: hollow part, 53: elastic body,

60: 지지링.60: support ring.

상기의 목적을 달성하기 위한 본 고안은, 지지축의 단부에 둥근 형상의 볼이 형성된 볼스터드와, 상기 볼스터드와 함께 회동이 가능한 구관절(球關節)을 형성하도록 상기 볼이 수용되어 결합되는 소켓부와, 상기 소켓부의 내측에 설치되어 상기 볼을 지지하도록 상기 볼을 감싸는 내곡면이 형성된 볼시트를 구비하는 볼 조인트에 있어서,The present invention for achieving the above object, a ball stud with a round ball is formed at the end of the support shaft, and the ball is accommodated and coupled to the socket to form a spherical joint (球 關節) with the ball stud In the ball joint having a ball seat is provided inside the socket portion and the inner curved surface surrounding the ball to support the ball,

상기 볼의 동작으로 상기 볼시트의 내곡면이 마모되었을 때 상기 볼시트가 부풀어올라 이를 보상해 줄 수 있도록 상기 볼시트의 일측방에는 속이 비어있는 중공부가 형성된 것을 특징으로 하는 구성이다.When the inner curved surface of the ball sheet is worn by the operation of the ball is a configuration characterized in that the hollow hollow portion is formed on one side of the ball sheet to compensate for this swelling.

이하에서는 본 고안에 따른 바람직한 실시 예를 첨부 도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings a preferred embodiment according to the present invention will be described in detail.

본 고안에 따른 볼 조인트는 도 2에 도시된 바와 같이, 일단부에 볼(31)이 형성된 볼스터드(30)와, 볼스터드(30)가 수용되는 소켓부(40)와, 소켓부(40)의 내측에 설치되어 볼스터드(30)의 볼(31)을 지지하는 볼시트(50)와, 볼시트(50)의 이탈을 방지하는 지지링(60)으로 구성된다.As shown in FIG. 2, the ball joint according to the present invention includes a ball stud 30 having a ball 31 formed at one end thereof, a socket part 40 in which the ball stud 30 is accommodated, and a socket part 40. It is composed of a ball seat 50 installed in the inner side of the ball seat 50 to support the ball 31 of the ball stud 30, and a support ring 60 to prevent the ball sheet 50 from being separated.

볼스터드부(30)는 테이퍼지게 가공된 지지축부(32)의 단부에 둥근 형상의 볼(31)이 형성된 것으로, 볼(31)과 지지축부(32)를 연결하는 목부(33)가 잘록하게 형성된다.The ball stud portion 30 has a rounded ball 31 formed at an end portion of the support shaft portion 32 tapered, and the neck portion 33 connecting the ball 31 and the support shaft portion 32 is narrowed. Is formed.

소켓부(40)는 볼스터드부(30)의 볼(31)이 수용될 수 있도록 내측이 비어있고, 일단부가 개구된 구조로 마련되며, 개구부의 반대쪽에는 소켓부(40)가 구조물이나 기계장치의 고정부에 고정될 수 있도록 볼트부(41)가 형성된다.The socket portion 40 is provided with a structure in which an inner side is empty and one end portion is opened so that the ball 31 of the ball stud portion 30 can be accommodated, and the socket portion 40 is formed on the opposite side of the opening portion. The bolt portion 41 is formed to be fixed to the fixing portion of the.

볼시트(50)는 소켓부(40)의 내측에 끼워져 설치되는데, 이 볼시트(50)는 탄성을 가진 합성수지재가 성형된 것으로 외면이 소켓(40)의 내면과 일치하게 형성되고, 중심부 일측에는 볼(31)이 걸려 지지되게 함과 동시에 회동이 가능하도록 볼(31)의 외면을 감싸 지지하는 내곡면(51)이 형성된다.The ball seat 50 is fitted to the inside of the socket portion 40, the ball sheet 50 is formed of a synthetic resin material having an elastic, the outer surface is formed to match the inner surface of the socket 40, the central side An inner curved surface 51 is formed to wrap and support the outer surface of the ball 31 so that the ball 31 is caught and supported while being rotated.

그리고, 소켓(40)의 입구부에는 소켓(40)에 끼워진 볼(31)과 볼시트(50)가 이탈되지 않도록 지지링(60)이 설치되는데, 이 지지링(60)는 소켓(40)의 입구부에 형성된 지지턱(42)에 걸려 지지되게 된다.In addition, a support ring 60 is installed at the inlet of the socket 40 such that the ball 31 and the ball seat 50 inserted into the socket 40 are not separated from the socket 40, and the support ring 60 is a socket 40. The support jaw 42 formed in the inlet portion of the hanging is to be supported.

이와 같이 구성된 본 고안에 따른 볼 조인트는 소켓(40)의 내부에 끼워진 볼(31)부분이 볼시트(50)에 지지된 채로 회동을 하게 됨으로써, 볼스터드부(30)와 소켓부(40)사이의 회전과 굴절이 가능하게 된다.The ball joint according to the present invention configured as described above is rotated while the ball 31, which is inserted into the socket 40, is supported by the ball seat 50, thereby the ball stud portion 30 and the socket portion 40 Rotation and refraction in between are possible.

한편, 본 고안에 따른 볼 조인트는 볼(31)의 동작으로 볼시트(50)의 내곡면(51)이 마모되었을 때 볼시트(50)가 부풀어올라 이를 보상해 줄 수 있도록, 볼시트(50)의 내곡면(51) 일측방에는 속이 비어있는 중공부(52)가 형성된다.On the other hand, the ball joint according to the present invention, when the inner curved surface 51 of the ball seat 50 is worn by the operation of the ball 31 so that the ball seat 50 swells to compensate for this, the ball seat 50 One side of the inner curved surface 51 of the hollow hollow portion 52 is formed.

즉, 볼시트(50)는 내곡면(51)의 후방에 중공부(52)가 형성됨으로 해서 볼시트(50) 내면의 탄성력이 커지게 된다. 이때, 본 고안에 따른 볼시트(50)와 볼스터드(30)의 볼(31)을 결합시킬 때에는 볼시트(50)의 중공부(52)가 약간 수축이 되어 팽창하려는 힘을 가지도록 하는 것이 바람직하다.That is, since the hollow portion 52 is formed at the rear of the inner curved surface 51 of the ball seat 50, the elastic force of the inner surface of the ball sheet 50 is increased. At this time, when the ball seat 50 and the ball 31 of the ball stud 30 according to the present invention is coupled to the hollow portion 52 of the ball seat 50 is slightly contracted to have a force to expand desirable.

따라서 볼시트(50)의 내면이 마모되게 되면, 수축된 상태의 중공부(52)가 원래의 상태로 복원되려하면서 볼시트(50)가 부풀어올라 볼(31)의 외면을 눌러주게 됨으로써 장기간 사용을 하더라도 볼시트의 내곡면(51)과 볼(31)의 유격이 방지되게 된다.Therefore, when the inner surface of the ball seat 50 is worn, while the hollow portion 52 in the contracted state is to be restored to its original state, the ball seat 50 swells and presses the outer surface of the ball 31 for a long time use. Even if the clearance between the inner curved surface 51 and the ball 31 of the ball seat is prevented.

본 실시 예에서는 볼시트(50)의 중공부(52)가 비어있는 구조로 마련되어 있지만, 도 3에 도시된 바와 같이, 중공부(52)의 내측에 신축성이 큰 고무와 같은 탄성재질의 탄성체(53)가 충진되어도 동일한 효과를 가질수 있다.In the present embodiment, the hollow portion 52 of the ball seat 50 is provided with an empty structure, but as shown in FIG. 3, an elastic material made of an elastic material such as rubber having a large elasticity inside the hollow portion 52 ( 53) can have the same effect.

이상에서 상세히 설명한 바와 같이, 본 고안에 따른 볼 조인트는 소켓부의 내측에 설치되어 볼의 외면을 감싸 지지하는 볼시트의 일측에 중공부가 형성되고, 최초 볼과 볼시트가 결합될 때, 상기 중공부가 약간 수축되어 팽창하려는 힘을 가지도록 하였다. 따라서, 볼의 유동으로 볼시트의 내곡면이 마모되더라도 중공부가 원래상태로 복원되려하면서 볼시트가 부풀어올라 볼의 외면을 눌러주게 됨으로써 장기간 사용을 하더라도 볼시트의 내곡면과 볼의 유격이 방지되는 효과가 있다.As described in detail above, the ball joint according to the present invention is installed inside the socket portion, the hollow portion is formed on one side of the ball seat that surrounds and supports the outer surface of the ball, when the first ball and the ball sheet is coupled, the hollow portion Slightly contracted to have the force to expand. Therefore, even if the inner surface of the ball sheet is worn out due to the flow of the ball, the hollow part is restored to its original state while the ball sheet swells and presses the outer surface of the ball. It works.

Claims (2)

지지축의 단부에 둥근 형상의 볼(31)이 형성된 볼스터드(30)와, 상기 볼스터드와 함께 회동이 가능한 구관절(球關節)을 형성하도록 상기 볼이 수용되어 결합되는 소켓부(40)와, 상기 소켓부의 내측에 설치되어 상기 볼을 지지하도록 상기 볼을 감싸는 내곡면(51)이 형성된 볼시트(50)를 구비하는 볼 조인트에 있어서,A ball stud 30 having a round ball 31 formed at an end of the support shaft, and a socket 40 to which the ball is received and coupled to form a rotatable joint with the ball stud; In the ball joint having a ball seat 50 is formed inside the socket portion is formed with an inner curved surface 51 surrounding the ball to support the ball, 상기 볼(31)의 동작으로 상기 볼시트의 내곡면(51)이 마모되었을 때 상기 볼시트(50)가 부풀어 올라 이를 보상해 줄 수 있도록 상기 볼시트(50)의 일측방에는 속이 비어있는 중공부(52)가 형성되며, 상기 볼(31)이 상기 볼시트(50)에 결합될 때 상기 중공부(52)가 소정량 수축되도록 결합되는 것을 특징으로 하는 볼 조인트.Hollow hollow on one side of the ball seat 50 so that the ball seat 50 swells and compensates when the inner curved surface 51 of the ball seat is worn out by the operation of the ball 31. Part 52 is formed, characterized in that when the ball 31 is coupled to the ball seat 50, the hollow portion 52 is coupled so that a predetermined amount of contraction. 제 1항에 있어서,The method of claim 1, 상기 중공부(52)에는 신축성이 큰 탄성재질의 탄성체(53)가 충진된 것을 특징으로 하는 볼 조인트.The hollow portion 52 is a ball joint, characterized in that the elastic body 53 is filled with a highly elastic elastic material.
KR2019980022112U 1998-11-13 1998-11-13 Ball joint KR200314142Y1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101276481B1 (en) 2013-01-15 2013-06-18 군산대학교산학협력단 Ball joint having separated seat

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Publication number Priority date Publication date Assignee Title
CN112056832A (en) * 2020-06-24 2020-12-11 浙江圣奥家具制造有限公司 Universal swing seat with reset spherical hinge structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101276481B1 (en) 2013-01-15 2013-06-18 군산대학교산학협력단 Ball joint having separated seat

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