KR100316958B1 - Mounting structure of lower arm and ball joint arm of suspension for vehicle - Google Patents

Mounting structure of lower arm and ball joint arm of suspension for vehicle Download PDF

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Publication number
KR100316958B1
KR100316958B1 KR1019990066903A KR19990066903A KR100316958B1 KR 100316958 B1 KR100316958 B1 KR 100316958B1 KR 1019990066903 A KR1019990066903 A KR 1019990066903A KR 19990066903 A KR19990066903 A KR 19990066903A KR 100316958 B1 KR100316958 B1 KR 100316958B1
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KR
South Korea
Prior art keywords
arm
coupling
ball joint
panel
assembly
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KR1019990066903A
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Korean (ko)
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KR20010065889A (en
Inventor
임동규
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이계안
현대자동차주식회사
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Priority to KR1019990066903A priority Critical patent/KR100316958B1/en
Publication of KR20010065889A publication Critical patent/KR20010065889A/en
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Publication of KR100316958B1 publication Critical patent/KR100316958B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/001—Suspension arms, e.g. constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/005—Ball joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/14—Mounting of suspension arms
    • B60G2204/148—Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/416—Ball or spherical joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/10—Constructional features of arms
    • B60G2206/122—Constructional features of arms the arm having L-shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80—Manufacturing procedures
    • B60G2206/82—Joining
    • B60G2206/8207—Joining by screwing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/90—Maintenance
    • B60G2206/91—Assembly procedures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2304/00—Optimising design; Manufacturing; Testing
    • B60Y2304/07—Facilitating assembling or mounting

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

본 발명은 자동차용 현가장치의 로어암과 볼죠인트암의 결합구조에 관한 것으로, 상부패널(41)과 하부패널(42)의 결합으로 이루어진 로어암(40)이 제1결합부(61)와 제2결합부(62)로 이루어진 볼죠인트암(60)과 다수개의 조립볼트와 조립너트에 의해 결합되도록 된 자동차용 현가장치의 로어암과 볼죠인트암의 결합구조에 있어서, 상기 볼죠인트암(60)의 제1결합부(61)가 소정크기의 삽입홈(61c)이 구비되도록 상부결합패널(61a)과 하부결합패널(61b)로 분기형성되고, 상기 로어암(40)의 조립부(43)가 상부패널(41)과 하부패널(42)이 밀착되도록 형성되며, 상기 조립부(43)가 삽입홈(61c)으로 삽입되어 다수개의 조립볼트(71)와 조립너트(72)에 의해 결합되어져, 상기 로어암(40)의 상하부패널(41,42)과 볼죠인트암(60)의 제1결합부(61)가 완전밀착된 상태에서 결합이 이루어지게 되므로, 상기 로어암(40)과 볼죠인트암(60)의 결합강성이 증진됨은 물론, 상기 로어암(40)과 볼죠인트암(60)의 파손율이 감소되도록 된 것이다.The present invention relates to a coupling structure of a lower arm and a ball joint arm of a vehicle suspension device, wherein a lower arm 40 formed by a combination of an upper panel 41 and a lower panel 42 is connected to a first coupling part 61. In the coupling structure of the lower arm and the ball joint arm of the suspension device for a vehicle, which is to be coupled by a plurality of assembly bolts and assembly nuts, the ball joint arm 60 consisting of the second coupling portion 62, The first coupling portion 61 of the 60 is branched into an upper coupling panel 61a and a lower coupling panel 61b so that the insertion groove 61c of a predetermined size is provided, and the assembly portion of the lower arm 40 43 is formed so that the upper panel 41 and the lower panel 42 are in close contact with each other, and the assembling portion 43 is inserted into the insertion groove 61c, and the plurality of assembling bolts 71 and the assembling nuts 72 are used. The upper and lower panels 41 and 42 of the lower arm 40 and the first coupling part 61 of the ball joint arm 60 are coupled to each other so as to be coupled in a state of being completely in close contact. Therefore, the coupling stiffness of the lower arm 40 and the ball joint arm 60 is enhanced, as well as the failure rate of the lower arm 40 and the ball joint arm 60 is reduced.

Description

자동차용 현가장치의 로어암과 볼죠인트암의 결합구조{MOUNTING STRUCTURE OF LOWER ARM AND BALL JOINT ARM OF SUSPENSION FOR VEHICLE}Combined structure of lower arm and ball joint arm of automobile suspension system {MOUNTING STRUCTURE OF LOWER ARM AND BALL JOINT ARM OF SUSPENSION FOR VEHICLE}

본 발명은 자동차용 현가장치의 로어암과 볼죠인트암의 결합구조에 관한 것으로, 특히 로어암과 볼죠인트암이 결합되는 결합부위의 강성이 증진되어, 상기 로어암과 볼죠인트암의 파손율이 감소되도록 된 자동차용 현가장치의 로어암과 볼죠인트암의 결합구조에 관한 것이다.The present invention relates to a coupling structure of a lower arm and a ball joint arm of a vehicle suspension device, in particular, the rigidity of the coupling portion to which the lower arm and the ball joint arm are coupled increases, so that the failure rate of the lower arm and the ball joint arm is increased. It relates to a coupling structure of a lower arm and a ball joint arm of a vehicle suspension which is to be reduced.

일반적으로, 현가장치는 차축과 차체를 연결하여 주행할 때 노면에서 받는 진동이나 충격을 차체에 직접 전달되지 않도록 하여 차체나 하물의 손상을 방지하고 승차감을 좋게 하는 장치로서 도 1에 도시된 바와 같이, 노면에서 받는 충격을 완화하도록 된 코일스프링(10)과, 이 코일스프링(10)의 자유진동을 억제하여 승차감을 좋게 하도록 된 쇽업소버(20)와, 언더바디의 강도 및 강성을 증진시키도록 된 크로스멤버(30)와, 휠의 움직임을 조절하도록 된 어퍼암(도시않됨) 및 로어암(40)과, 자동차가 옆으로 흔들리는 것을 방지하도록 된 스테빌라이저(50)등으로 구성되어 있다.In general, the suspension device is a device that prevents damage to the vehicle body or loads and improves the riding comfort by preventing the vibration or shock received from the road surface from being directly transmitted to the vehicle body when driving by connecting the axle and the vehicle body as shown in FIG. 1. In order to improve the strength and rigidity of the coil spring 10, the shock absorber 20, which suppresses the free vibration of the coil spring 10, to improve the riding comfort, and the underbody. The cross member 30, the upper arm (not shown) and the lower arm 40 to adjust the movement of the wheel, stabilizer 50, etc. to prevent the vehicle from shaking sideways.

여기서, 상기 로어암(40)은 도 2와 도 3에 도시된 바와 같이 소정두께의 상부패널(41)과 하부패널(42)의 결합으로 이루어져 있으며, 상기 상하부패널(41,42)사이에는 볼죠인트암(60)이 삽입되어 다수개의 조립볼트(71)와 조립너트(72)의 결합에 의해 단단히 결합되어 있다.Here, the lower arm 40 is composed of a combination of the upper panel 41 and the lower panel 42 of a predetermined thickness, as shown in Figure 2 and 3, the ball between the upper and lower panels (41, 42) The joint arm 60 is inserted and tightly coupled by the coupling of the plurality of assembly bolts 71 and the assembly nuts 72.

즉, 상기 로어암(40)의 상부패널(41)과 하부패널(42)사이는 중공(中空)으로 되어 있으며, 상기 볼죠인트암(60)은 로어암(40)과 결합되는 제1결합부(61) 및 너클암(도시않됨)과 결합되는 제2결합부(62)로 이루어져 있는 바, 상기제1결합부(61)가 상부패널(41)과 하부패널(42)사이로 삽입된 상태에서 조립볼트(71)가 상부패널(41)과 제1결합부(61) 및 하부패널(42)을 관통하여 조립너트(72)와 결합됨으로서, 상기 로어암(40)과 볼죠인트암(60)이 결합되도록 되어있다.That is, the upper panel 41 and the lower panel 42 of the lower arm 40 is hollow, and the ball joint arm 60 is coupled to the lower arm 40. And a second coupling part 62 coupled to the knuckle arm (not shown), wherein the first coupling part 61 is inserted between the upper panel 41 and the lower panel 42. The assembly bolt 71 is coupled to the assembly nut 72 through the upper panel 41, the first coupling portion 61 and the lower panel 42, the lower arm 40 and the ball joint arm 60. Is supposed to be combined.

그러나 상기와 같은 종래의 결합구조에 의하면, 상기 볼죠인트암(60)의 제1결합부(61)중 조립볼트(71)와 조립너트(72)에 의해 결합되는 부위는 상하부패널(41,42)과 완전히 밀착되어 결합되지만, 상기 조립볼트(71)와 조립너트(72)에 의해 결합되지 않는 부위(A,B)는 상하부패널(41,42)과 완전밀착을 이루지 않게 됨으로서, 상기 볼죠인트암(60)의 조립시 조립볼트(71)의 압력에 의해 볼죠인트암(60)과 완전밀착되지 않은 상하부패널(41,42)의 부위(A,B)가 쉽게 파손되는 문제점이 있었다.However, according to the conventional coupling structure as described above, the portion of the first coupling portion 61 of the ball joint arm 60 coupled by the assembly bolt 71 and the assembly nut 72 is the upper and lower panels 41 and 42. ), But is not completely bonded to the upper and lower panels (41, 42) by the assembly bolt (71) and the assembly nut (72), which is not coupled by the assembly nut (72), the ball joint When assembling the arm 60, there was a problem that the parts A and B of the upper and lower panels 41 and 42 which were not completely in contact with the ball joint arm 60 were easily damaged by the pressure of the assembly bolt 71.

이에 본 발명은 상기와 같은 문제점을 해소하기 위해 안출된 것으로, 볼죠인트암의 제1결합부가 상부결합패널과 하부결합패널로 분기형성됨과 더불어 로어암의 결합부위가 상기 상하부결합패널사이로 삽입된 상태에서 결합되어져, 상기 로어암의 상하부패널과 볼죠인트암의 제1결합부가 완전밀착된 상태에서 결합이 이루어짐으로서, 상기 로어암과 볼죠인트암의 결합부위강성이 증진되면서 상기 로어암과 볼죠인트암의 파손율이 감소되도록 된 자동차용 현가장치의 로어암과 볼죠인트암의 결합구조를 제공함에 그 목적이 있다.Accordingly, the present invention has been made to solve the above problems, the first coupling portion of the ball joint arm is formed into the upper coupling panel and the lower coupling panel, and the coupling portion of the lower arm is inserted between the upper and lower coupling panels. Coupled to the upper and lower panels of the lower arm and the first coupling part of the ball joint arm to be in close contact with each other, thereby increasing the coupling site stiffness of the lower arm and the ball joint arm while the lower arm and the ball joint arm It is an object of the present invention to provide a coupling structure of a lower arm and a ball joint arm of a vehicle suspension device in which a breakage rate of a vehicle is reduced.

상기와 같은 목적을 달성하기 위한 본 발명은, 상부패널과 하부패널의 결합으로 이루어진 로어암이 제1결합부와 제2결합부로 이루어진 볼죠인트암과 다수개의 조립볼트와 조립너트에 의해 결합되도록 된 자동차용 현가장치의 로어암과 볼죠인트암의 결합구조에 있어서, 상기 볼죠인트암의 제1결합부가 소정크기의 삽입홈이 구비되도록 상부결합패널과 하부결합패널로 분기형성되고, 상기 로어암의 조립부가 상부패널과 하부패널이 밀착되도록 형성되며, 상기 조립부가 삽입홈으로 삽입되어 다수개의 조립볼트와 조립너트에 의해 결합된 것을 특징으로 한다.The present invention for achieving the above object, the lower arm consisting of the combination of the upper panel and the lower panel is coupled to the ball joint arm consisting of the first coupling portion and the second coupling portion and a plurality of assembly bolts and assembly nuts. In the coupling structure of the lower arm and the ball joint arm of the suspension device for a vehicle, the first coupling part of the ball joint arm is branched into an upper coupling panel and a lower coupling panel so as to have an insertion groove of a predetermined size, The assembly part is formed to be in close contact with the upper panel and the lower panel, characterized in that the assembly is inserted into the insertion groove is coupled by a plurality of assembly bolts and assembly nuts.

도 1은 일반적인 전방현가장치를 도시한 사시도,1 is a perspective view showing a general front suspension,

도 2는 종래 구조에 따른 로어암과 볼죠인트암의 결합상태를 도시한 사시도,Figure 2 is a perspective view showing a coupling state of the lower arm and the ball joint arm according to the conventional structure,

도 3은 도 2의 Ⅰ-Ⅰ선 부분단면도,3 is a partial cross-sectional view taken along line II of FIG. 2;

도 4와 도 5는 본 발명에 따른 로어암과 볼죠인트암의 결합상태를 개략적으로 도시한 사시도 및 종단면도이다.4 and 5 are a perspective view and a longitudinal cross-sectional view schematically showing a coupling state of the lower arm and the ball joint arm according to the present invention.

< 도면의 주요부분에 대한 부호의 설명 ><Description of Symbols for Major Parts of Drawings>

40 - 로어암 41 - 상부패널40-Lower Arm 41-Top Panel

42 - 하부패널 43 - 조립부42-lower panel 43-assembly

44 - 관통구멍 60 - 볼죠인트암44-through hole 60-ball joint arm

61 - 제1결합부 61a - 상부결합패널61-First coupling part 61a-Upper coupling panel

61b - 하부결합패널 61c - 삽입홈61b-Lower coupling panel 61c-Insertion groove

61d - 조립구멍 71 - 조립볼트61d-mounting hole 71-mounting bolt

72 - 조립너트72-assembly nut

이하 본 발명을 첨부된 예시도면에 의거 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 4와 도 5는 본 발명에 따른 로어암과 볼죠인트암의 결합상태를 개략적으로 도시한 사시도 및 종단면도로서, 종래와 동일한 부위에는 동일한 참조부호를 붙이면서 설명하기로 한다.4 and 5 are a perspective view and a longitudinal sectional view schematically showing the coupling state of the lower arm and the ball joint arm according to the present invention, will be described with the same reference numerals to the same parts as in the prior art.

일반적으로, 현가장치는 도 1에 도시된 바와 같이, 노면에서 받는 충격을 완화하도록 된 코일스프링(10)과, 이 코일스프링(10)의 자유진동을 억제하여 승차감을 좋게 하도록 된 쇽업소버(20)와, 언더바디의 강도 및 강성을 증진시키도록 된 크로스멤버(30)와, 휠의 움직임을 조절하도록 된 어퍼암(도시않됨) 및 로어암(40)과, 자동차가 옆으로 흔들리는 것을 방지하도록 된 스테빌라이저(50)등으로 구성되어 있다.In general, the suspension system, as shown in Figure 1, the coil spring 10 to mitigate the impact received from the road surface, and the shock absorber 20 to suppress the free vibration of the coil spring 10 to improve the ride comfort ), Crossmember 30 to enhance the strength and rigidity of the underbody, upper arm (not shown) and lower arm 40 to adjust the movement of the wheel, and to prevent the vehicle from shaking sideways Composed of stabilizers 50 and the like.

여기서, 상기 로어암(40)은 도 4와 도 5에 도시된 바와 같이 다수개의 조립볼트(71)와 조립너트(72)에 의해 서로 단단히 결합되어 있다.Here, the lower arm 40 is firmly coupled to each other by a plurality of assembling bolts 71 and assembling nuts 72 as shown in Figures 4 and 5.

즉, 상기 로어암(40)은 도 4와 도 5에 도시된 바와 같이 소정두께의 상부패널(41)과 하부패널(42)의 결합으로 이루어져 있고, 상기 상부패널(41)과 하부패널(42)사이는 중공(中空)으로 되어 있지만 그 일단에 구비된 조립부(43)의 상하부패널(41,42)은 안쪽면이 서로 밀착되도록 형성되어 있다.That is, the lower arm 40 is composed of a combination of the upper panel 41 and the lower panel 42 of a predetermined thickness, as shown in Figures 4 and 5, the upper panel 41 and the lower panel 42 ) Is hollow, but the upper and lower panels 41 and 42 of the assembly portion 43 provided at one end thereof are formed such that the inner surfaces are in close contact with each other.

그리고, 상기 조립부(43)에는 상하부패널(41,42)을 관통하는 다수개의 관통구멍(44)이 구비되어 있다.The assembly portion 43 is provided with a plurality of through holes 44 penetrating the upper and lower panels 41 and 42.

또한, 상기 로어암(40)과 결합되는 볼죠인트암(60)은, 상기 로어암(40)의 조립부(43)와 결합되는 제1결합부(61) 및 너클암(도시않됨)과 결합되는 제2결합부(62)로 이루어져 있다.In addition, the ball joint arm 60 coupled to the lower arm 40 is coupled to the first coupling portion 61 and the knuckle arm (not shown) coupled to the assembly portion 43 of the lower arm 40. It consists of a second coupling portion 62.

그리고, 상기 제1결합부(61)에는 상기 로어암(40)의 조립부(43)가 삽입가능하도록 소정크기의 삽입홈(61c)이 구비되어 있으며, 상기 제1결합부(61)는 삽입홈(61c)에 의해 상부결합패널(61a)과 하부결합패널(61b)로 분기되도록 형성된다.In addition, the first coupling portion 61 is provided with an insertion groove 61c of a predetermined size so that the assembly portion 43 of the lower arm 40 can be inserted therein, and the first coupling portion 61 is inserted. It is formed to branch to the upper coupling panel 61a and the lower coupling panel 61b by the groove 61c.

그리고, 상기 제1결합부(61)에는 상하부결합패널(61a,61b)을 관통하는 다수개의 조립구멍(61d)이 구비되어 있는 바, 이 조립구멍(61d)은 로어암(40)의 조립부(43)가 제1결합부(61)의 삽입홈(61c)으로 삽입되었을 때, 상기 조립부(43)에 구비된 관통구멍(44)과 서로 연결되도록 동일한 수직선상의 위치에 형성되어 있다.In addition, the first coupling portion 61 is provided with a plurality of assembling holes 61d penetrating the upper and lower coupling panels 61a and 61b, and the assembling holes 61d are the assembling portions of the lower arm 40. When the 43 is inserted into the insertion groove 61c of the first coupling portion 61, it is formed at the same vertical position to be connected to each other with the through hole 44 provided in the assembly portion 43.

따라서, 상기 로어암(40)의 조립부(43)가 제1결합부(61)에 구비된 삽입홈(61c)으로 삽입되도록 볼죠인트암(60)과 로어암(40)을 서로 교차시킨 상태에서, 상기 조립볼트(71)를 상부결합패널(61a)의 조립구멍(61d)과 상하부패널(41,42)의 관통구멍(44) 및 하부결합패널(61b)의 조립구멍(61d)으로 순차적으로 관통시켜조립너트(72)와 결합시키게 되면, 상기 로어암(40)과 볼죠인트암(60)이 다수개의 조립볼트(71)와 조립너트(72)에 의해 서로 단단히 결합되게 된다.Accordingly, the ball joint arm 60 and the lower arm 40 cross each other so that the assembly portion 43 of the lower arm 40 is inserted into the insertion groove 61c provided in the first coupling portion 61. In order to assemble the assembly bolt 71 into the assembly hole (61d) of the upper coupling panel 61a, the through hole 44 of the upper and lower panels (41, 42) and the assembly hole (61d) of the lower coupling panel 61b. When the penetrating through the assembly nut 72 is coupled to the assembly nut 72, the lower arm 40 and the ball joint arm 60 are firmly coupled to each other by the plurality of assembly bolts 71 and the assembly nut 72.

상기와 같이 로어암(40)의 조립부(43)가 볼죠인트암(60)에 구비된 삽입홈(61c)으로 삽입되어 조립볼트(71)와 조립너트(72)에 의해 결합되도록 된 본 발명의 결합구조에 의하면, 상기 로어암(40)의 상하부패널(41,42)과 볼죠인트암(60)의 제1결합부(61)가 완전밀착된 상태에서 결합이 이루어짐으로서, 도 3에 도시된 종래의 결합구조보다 로어암(40)과 볼죠인트암(60)의 결합강성이 증진될 뿐만 아니라, 이로인해 상기 로어암(40)과 볼죠인트암(60)의 파손율이 감소되게 된다.As described above, the assembly part 43 of the lower arm 40 is inserted into the insertion groove 61c provided in the ball joint arm 60 to be coupled by the assembly bolt 71 and the assembly nut 72. According to the coupling structure of, the upper and lower panels 41 and 42 of the lower arm 40 and the first coupling portion 61 of the ball joint arm 60 are coupled in a state of being completely in contact, as shown in FIG. Not only the coupling stiffness of the lower arm 40 and the ball joint arm 60 is improved than the conventional coupling structure, thereby reducing the failure rate of the lower arm 40 and the ball joint arm 60.

이상 설명한 바와 같이 본 발명에 의하면, 상부패널과 하부패널의 안쪽면이 밀착되도록 형성된 로어암의 조립부가 상부결합패널과 하부결합패널사이에 형성된 삽입홈으로 삽입되어 다수개의 조립볼트와 조립너트에 의해 결합되어져, 상기 로어암의 상하부패널과 볼죠인트암의 제1결합부가 완전밀착된 상태에서 결합이 이루어지게 되므로, 상기 로어암과 볼죠인트암의 결합강성이 증진될 뿐만 아니라, 이로인해 상기 로어암과 볼죠인트암의 파손율이 감소되어 상품성이 향상되는 효과가 있다.As described above, according to the present invention, the assembly portion of the lower arm formed to be in close contact with the inner surface of the upper panel and the lower panel is inserted into the insertion groove formed between the upper coupling panel and the lower coupling panel by a plurality of assembly bolts and assembly nuts. Coupled to the upper and lower panels of the lower arm and the first coupling part of the ball joint arm, so that the coupling is performed in a state of being completely in contact with each other, and thus the coupling rigidity of the lower arm and the ball joint arm is enhanced, and thus the lower arm And the breakage rate of the ball joint arm is reduced to improve the merchandise.

Claims (1)

상부패널과 하부패널의 결합으로 이루어진 로어암이 제1결합부와 제2결합부로 이루어진 볼죠인트암과 다수개의 조립볼트와 조립너트에 의해 결합되도록 된 자동차용 현가장치의 로어암과 볼죠인트암의 결합구조에 있어서,The lower arm and the ball joint arm of a suspension device for a vehicle in which a lower arm composed of a combination of an upper panel and a lower panel are coupled by a ball joint arm having a first coupling part and a second coupling part and a plurality of assembly bolts and assembly nuts. In the coupling structure, 상기 볼죠인트암의 제1결합부가 소정크기의 삽입홈이 구비되도록 상부결합패널과 하부결합패널로 분기형성되고, 상기 로어암의 조립부가 상부패널과 하부패널이 밀착되도록 형성되며, 상기 조립부가 삽입홈으로 삽입되어 다수개의 조립볼트와 조립너트에 의해 결합된 것을 특징으로 하는 자동차용 현가장치의 로어암과 볼죠인트암의 결합구조.The first coupling part of the ball joint arm is formed to be branched into an upper coupling panel and a lower coupling panel so that an insertion groove of a predetermined size is provided, and the assembly portion of the lower arm is formed to be in close contact with the upper panel and the lower panel. The coupling structure of the lower arm and the ball joint arm of the suspension device for automobiles, which is inserted into the groove and coupled by a plurality of assembly bolts and assembly nuts.
KR1019990066903A 1999-12-30 1999-12-30 Mounting structure of lower arm and ball joint arm of suspension for vehicle KR100316958B1 (en)

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Publication number Priority date Publication date Assignee Title
KR20210084161A (en) * 2019-12-27 2021-07-07 주식회사 일진 Suspension arm for vehicle

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KR101469162B1 (en) * 2013-06-26 2014-12-11 서진산업(주) Lower arm assembly
DE102020121231A1 (en) * 2020-08-12 2022-02-17 Benteler Automobiltechnik Gmbh suspension arm

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210084161A (en) * 2019-12-27 2021-07-07 주식회사 일진 Suspension arm for vehicle
KR102339940B1 (en) * 2019-12-27 2021-12-17 주식회사 일진 Suspension arm for vehicle

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