KR100388201B1 - Structure for fixing front suspension - Google Patents

Structure for fixing front suspension Download PDF

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Publication number
KR100388201B1
KR100388201B1 KR10-2001-0014944A KR20010014944A KR100388201B1 KR 100388201 B1 KR100388201 B1 KR 100388201B1 KR 20010014944 A KR20010014944 A KR 20010014944A KR 100388201 B1 KR100388201 B1 KR 100388201B1
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KR
South Korea
Prior art keywords
lower arm
cross member
side frame
coupled
tension rod
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KR10-2001-0014944A
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Korean (ko)
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KR20020074878A (en
Inventor
최인섭
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기아자동차주식회사
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Priority to KR10-2001-0014944A priority Critical patent/KR100388201B1/en
Publication of KR20020074878A publication Critical patent/KR20020074878A/en
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Publication of KR100388201B1 publication Critical patent/KR100388201B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D27/00—Connections between superstructure or understructure sub-units
    • B62D27/02—Connections between superstructure or understructure sub-units rigid
    • B62D27/023—Assembly of structural joints

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

본 발명은 전방 현가장치를 차체에 고정시키기 위한 구조에 관한 것이다.The present invention relates to a structure for fixing the front suspension to the vehicle body.

본 발명에 따른 전방 현가장치의 고정구조는 사이드프레임을 가로질러 결합되는 전방크로스멤버; 전방크로스멤버와, 사이드프레임과, 프론트엑슬의 너클부에 각각 결합되는 로어아암; 로어아암과 차체의 제 1 크로스멤버 사이를 연결하여 결합하는 텐션로드를 포함하며, 로어아암의 볼트결합부는 전방크로스멤버의 볼트결합부와 함께 사이드프레임에 결합되고, 로어아암의 힌지결합부는 사이드프레임에 부착된 브라켓에 힌지결합되고, 로어아암의 볼조인트부 근방에 위치한 텐션로드결합부에 텐션로드의 일단이 결합되고, 텐션로드의 타단은 사이드프레임의 전방에 위치한 제 1 크로스멤버의 관통공에 결합되어 이루어진다.The fixing structure of the front suspension according to the present invention is a front cross member coupled across the side frame; A lower arm coupled to the front cross member, the side frame, and the knuckle portion of the front axle, respectively; And a tension rod connecting and coupling between the lower arm and the first cross member of the vehicle body, wherein the bolt coupling portion of the lower arm is coupled to the side frame together with the bolt coupling portion of the front cross member, and the hinge coupling portion of the lower arm is connected to the side frame. It is hinged to the bracket attached to it, one end of the tension rod is coupled to the tension rod coupling portion located near the ball joint of the lower arm, and the other end of the tension rod is connected to the through hole of the first cross member located in front of the side frame. Are combined.

Description

전방 현가장치의 고정구조 {Structure for fixing front suspension}Structure for fixing front suspension

본 발명은 전방 현가장치를 차체에 고정시키기 위한 구조에 관한 것이다.The present invention relates to a structure for fixing the front suspension to the vehicle body.

일반적으로, 차량의 현가장치는 차축과 차체를 연결하여, 주행중에 노면으로부터 받는 진동이나 충격을 흡수하여 자동차의 안정성과 승차감을 향상시키는 장치이다.In general, the suspension device of the vehicle is a device that connects the axle and the vehicle body and absorbs vibrations or shocks received from the road surface while driving, thereby improving stability and riding comfort of the vehicle.

이러한 현가 장치는 노면으로부터 충격을 완화시키는 스프링과 스프링의 자유진동을 억제하여 승차감을 향상시키는 댐퍼 및 자동차의 롤링을 방지하는 스태빌라이저(stabilizer) 등을 포함하며, 장착위치에 따라 전방에 위치한 전방 현가장치와 후방에 위치한 후방 현가장치로 구분한다.Such suspension includes a spring for mitigating the impact from the road surface, a damper for suppressing free vibration of the spring, a stabilizer for preventing rolling of the vehicle, and a front suspension positioned in front of the vehicle according to the mounting position. And rear suspension located at the rear.

이러한 현가장치중에서, 전방 현가장치를 고정 및 지지하기 위한 구조는, 도1에 도시된 바와 같이, 프론트엑슬(36)에 결합되는 댐퍼(30)와, 프로트엑슬(36)의 너클부(미도시)에 결합되는 로어아암(32)과, 로어아암(32)이 두점에서 고정되도록 복잡한 형상으로 제작된 전방크로스멤버(31)와, 전방크로스멤버(31)를 고정하는 사이드프레임(37)를 포함하며, 전방크로스멤버(31)의 제 1고정부(34)는 사이드프레임 (37)에 고정되고, 로어아암(32)의 일단이 전방크로스멤버(31)의 힌지부(35)에 힌지결합되고, 로어아암(32)의 타단은 사이드프레임(37)과 같이 전방크로스멤버(31)의 제 2고정부(33)에 볼트 결합된다.Among these suspensions, a structure for fixing and supporting the front suspension includes a damper 30 coupled to the front axle 36 and a knuckle portion of the front axle 36, as shown in FIG. A lower arm 32 coupled to the lower arm, a front cross member 31 formed in a complex shape such that the lower arm 32 is fixed at two points, and a side frame 37 fixing the front cross member 31. The first fixing part 34 of the front cross member 31 is fixed to the side frame 37, and one end of the lower arm 32 is hinged to the hinge part 35 of the front cross member 31. , The other end of the lower arm 32 is bolted to the second fixing portion 33 of the front cross member 31, like the side frame 37.

이러한 전방 현가장치의 고정구조는, 각각의 부속품을 결합 및 체결시 정확한 단차관리가 어려우며, 전방크로스멤버의 복잡한 형상에 기인하여 제작이 힘들고, 강도적 측면에서도 개발이 어려운 문제점이 있었다.The fixed structure of the front suspension device, it is difficult to precisely manage the step when engaging and fastening the respective accessories, due to the complex shape of the front cross member is difficult to manufacture, there was a difficult development in terms of strength.

본 발명은, 단순한 형상의 전방크로스멤버를 이용하여 각 부품을 결합함으로써 조립성을 향상시켜 각 부품의 결합공정이 용이한 전방 현가장치의 고정구조를 제공하는 데 그 목적이 있다.An object of the present invention is to provide a fixed structure of a front suspension device in which the assembly of the parts is improved by combining the parts by using a front cross member having a simple shape, thereby facilitating the joining process of the parts.

도 1은 종래의 전방 현가장치의 고정구조를 도시한 분리사시도.Figure 1 is an exploded perspective view showing a fixed structure of a conventional front suspension.

도 2는 본 발명의 일 실시예에 따른 전방 현가장치의 고정구조를 도시한 분리사시도.Figure 2 is an exploded perspective view showing a fixing structure of the front suspension according to an embodiment of the present invention.

도 3은 본 발명의 로어아암을 도시한 평면도.3 is a plan view of the lower arm of the present invention.

상기의 목적을 달성하기 위한 본 발명에 따른 전방 현가장치의 고정구조는, 사이드프레임을 가로질러 결합되는 전방크로스멤버; 전방크로스멤버와, 사이드프레임과, 프론트엑슬의 너클부에 각각 결합되는 로어아암; 로어아암과 차체의 제 1 크로스멤버 사이를 연결하여 결합하는 텐션로드를 포함하며, 로어아암의 볼트결합부는 전방크로스멤버의 볼트결합부와 함께 사이드프레임에 결합되고, 로어아암의 힌지결합부는 사이드프레임에 부착된 브라켓에 힌지결합되고, 로어아암의 볼조인트부 근방에 위치한 텐션로드결합부에 텐션로드의 일단이 결합되고, 텐션로드의 타단은 사이드프레임의 전방에 위치한 제 1 크로스멤버의 관통공에 결합되어 이루어진다.Fixed structure of the front suspension device according to the present invention for achieving the above object, the front cross member coupled across the side frame; A lower arm coupled to the front cross member, the side frame, and the knuckle portion of the front axle, respectively; And a tension rod connecting and coupling between the lower arm and the first cross member of the vehicle body, wherein the bolt coupling portion of the lower arm is coupled to the side frame together with the bolt coupling portion of the front cross member, and the hinge coupling portion of the lower arm is connected to the side frame. It is hinged to the bracket attached to it, one end of the tension rod is coupled to the tension rod coupling portion located near the ball joint of the lower arm, and the other end of the tension rod is connected to the through hole of the first cross member located in front of the side frame. Are combined.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세하게 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

도 2는 본 발명의 일 실시예에 따른 전방 현가장치의 고정구조를 도시한다.2 illustrates a fixing structure of the front suspension device according to an embodiment of the present invention.

도시된 바와 같이, 본 발명의 일 실시에에 따른 전방 현가장치의 고정구조는 사이드프레임(17)에 부착된 브라켓(15)에 로어아암(12)의 힌지결합부(3)가 결합되고, 사이드프레임(17)의 일정부분에 전방크로스멤버(11)의 볼트결합부(13)와 로어아암(12)의 볼트결합부(2)가 동시에 볼트결합되고, 로어아암(12)의 볼조인트 결합부 (5)는 프론트엑슬(16)의 너클부(미도시)에 결합되고, 로어아암(12)의 텐션로드결합부(4)에 텐션로드(14)의 일단이 결합되며, 텐션로드(14)의 타단은 사이드프레임 (17)의 전방에 결합된 제 1 크로스멤버(18)에 결합되는 것을 포함한다.As shown, the fixing structure of the front suspension device according to an embodiment of the present invention, the hinge coupling portion 3 of the lower arm 12 is coupled to the bracket 15 attached to the side frame 17, the side The bolt coupling portion 13 of the front cross member 11 and the bolt coupling portion 2 of the lower arm 12 are simultaneously bolted to a predetermined portion of the frame 17, and the ball joint coupling portion of the lower arm 12 is connected. 5 is coupled to the knuckle portion (not shown) of the front axle 16, one end of the tension rod 14 is coupled to the tension rod coupling portion 4 of the lower arm 12, the tension rod 14 The other end of includes coupling to the first cross member 18 coupled to the front of the side frame (17).

도 3에 도시된 바와 같이, 로어아암(12)은 프론트엑슬(16)의 너클부(미도시)에 결합되는 볼조인트 결합부(5)와, 사이드 프레임(17)에 부착된 브라켓(15)에 힌지결합되는 힌지결합부(3)와, 전방크로스멤버(11)의 볼트결합부(13)에 결합되는 볼트결합부(2)와, 텐션로드(14)를 결합할 수 있도록 다수의 암나사부를 형성한 텐션로드결합부(4)를 가진다. 로어아암(12)은 서스펜션 지오메트리를 결정함과 동시에 횡력이나 전, 후력을 지지하는 기능을 가지며, 텐션로드(14)를 더 구비함으로써 전/후 방향의 강성을 더욱 향상시킨 특징이 있다.As shown in FIG. 3, the lower arm 12 includes a ball joint coupling portion 5 coupled to a knuckle portion (not shown) of the front axle 16 and a bracket 15 attached to the side frame 17. A plurality of female thread portions for coupling the hinge coupling portion 3 to be hinged to the bolt coupling portion 2 and the tension rod 14 coupled to the bolt coupling portion 13 of the front cross member 11. It has the tension rod coupling part 4 formed. The lower arm 12 has a function of supporting the lateral force, the front and the rear force at the same time as determining the suspension geometry, and further includes a tension rod 14 to further improve the rigidity of the front and rear directions.

전방크로스멤버(11)는 로어아암(12)의 볼트결합부(2)가 결합되도록 좌/우 양측에 각각 하나의 볼트결합부(13)만을 가지므로, 구조가 매우 단순하여 제작이 매우 용이한 특징이 있다.Since the front cross member 11 has only one bolt coupling portion 13 on each of the left and right sides so that the bolt coupling portion 2 of the lower arm 12 is coupled, the front cross member 11 is very simple in structure and very easy to manufacture. There is a characteristic.

브라켓(15)은 사이드프레임(17)에 용접 또는 리벳 결합 등에 의해 부착되어 로어아암(12)의 힌지결합부(3)가 결합되도록 구성되어 로어아암(12)이 상하방향으로 움직였을 때 서로 간섭이 발생하지 않도록 하는 여유 공간이 생성되는 특징이 있다.The bracket 15 is attached to the side frame 17 by welding or riveting, so that the hinge coupling portion 3 of the lower arm 12 is coupled so that interference between the lower arm 12 when the lower arm 12 moves in the vertical direction. There is a characteristic that free space is generated so as not to occur.

텐션로드(14)의 일단은 로어아암(12)의 텐션로드결합부(4)에 볼트체결되고, 그 타단은 사이드프레임(17)의 전방에 결합된 제 1 크로스멤버(18)의 관통공(19)에 결합되므로 로어아암(12)의 전/후 방향의 강성을 더욱 향상시킨 특징이 있다. 여기서, 제 1 크로스 멤버(18)에 텐션로드(14)의 결합은 암나사부가 형성된 관통공(19)에 수나사부가 형성된 텐션로드(14)의 끝단을 체결하거나, 그외의 결합수단에 의해 고정할 수 있다. 특히, 텐션로드(14)의 제 1 크로스 멤버(18)에 연결을 위해 제 1 크로스 멤버(18)내의 관통공(19)의 위치 및 형상, 텐션로드(14)의 형상, 로어아암 (12)의 "L"자형 곡선부분은 다양하게 설계변경될 수 있음은 당업자에게 있어 당연하다.One end of the tension rod 14 is bolted to the tension rod coupling portion 4 of the lower arm 12, and the other end thereof is a through hole of the first cross member 18 coupled to the front of the side frame 17. 19) is characterized by further improving the rigidity of the front / rear direction of the lower arm (12). Here, the engagement of the tension rod 14 to the first cross member 18 may be fastened to the end of the tension rod 14 having the male thread in the through hole 19 having the female thread, or may be fixed by other coupling means. have. In particular, the position and shape of the through hole 19 in the first cross member 18, the shape of the tension rod 14, the lower arm 12, for connection to the first cross member 18 of the tension rod 14. It will be apparent to those skilled in the art that the " L "

상기된 바와 같이, 본 발명에 따른 전방 현가장치의 고정구조는 단순한 형상의 전방크로스멤버를 이용하여 각 부품을 결합함으로써 조립성을 향상시켜 각 부품의 결합공정이 용이하고, 엔진 확보 공간을 넓히고, 설계변경된 로어아암과 텐션로드를 이용하여 그 결합구조를 더욱 견고히 함과 동시에 차량의 전후방향으로 강성을 더욱 향상시킨 장점이 있다.As described above, the fixed structure of the front suspension device according to the present invention by using the front cross member of a simple shape to improve the assembling properties by combining each component, easy to join the components, and to increase the engine securing space, By using the lower arm and tension rod with the design change, the coupling structure is more solid and the rigidity is further improved in the front and rear direction of the vehicle.

이상에서는, 본 발명을 특정의 바람직한 실시예에 대해서 도시하고 설명하였다. 그러나, 본 발명은 상술한 실시예에만 한정되는 것이 아니며, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 이하의 특정청구범위에 기재된 본 발명의 기술적 사상의 요지를 벗어남이 없이 얼마든지 다양하게 변경실시할 수 있을 것이다.In the above, the present invention has been illustrated and described with respect to certain preferred embodiments. However, the present invention is not limited only to the above-described embodiments, and those skilled in the art to which the present invention pertains may vary without departing from the spirit of the technical idea of the present invention described in the following specific claims. It may be changed.

Claims (1)

사이드 프레임을 가로질러 결합되는 전방크로스멤버;A front cross member coupled across the side frame; 상기 전방크로스멤버와, 상기 사이드프레임과, 프론트엑슬의 너클부에 각각 결합되는 로어아암;A lower arm coupled to the front cross member, the side frame, and a knuckle portion of the front axle, respectively; 상기 로어아암과 차체의 제 1 크로스멤버 사이를 연결하여 결합하는 텐션로드를 포함하며;A tension rod configured to connect and couple between the lower arm and the first cross member of the vehicle body; 상기 로어아암의 볼트결합부는 전방크로스멤버의 볼트결합부와 함께 사이드프레임에 결합되고, 상기 로어아암의 힌지결합부는 상기 사이드프레임에 부착된 브라켓에 힌지결합되고, 상기 로어아암의 볼조인트부 근방에 위치한 텐션로드결합부에 텐션로드의 일단이 결합되고, 상기 텐션로드의 타단은 상기 사이드프레임의 전방에 위치한 제 1 크로스멤버의 관통공에 결합되어 이루어지는 전방 현가장치의 고정구조.The bolt coupling portion of the lower arm is coupled to the side frame together with the bolt coupling portion of the front cross member, and the hinge coupling portion of the lower arm is hinged to the bracket attached to the side frame, and near the ball joint portion of the lower arm. One end of the tension rod is coupled to the tension rod coupling portion located, and the other end of the tension rod is coupled to the through hole of the first cross member located in front of the side frame.
KR10-2001-0014944A 2001-03-22 2001-03-22 Structure for fixing front suspension KR100388201B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08156550A (en) * 1994-12-08 1996-06-18 Mitsubishi Motors Corp Suspension device
KR980008069U (en) * 1996-07-11 1998-04-30 김종진 Belt Pulley Weight Pulley Sliding Device
JPH10324272A (en) * 1997-05-23 1998-12-08 Hiruta Kogyo Kk Front chassis frame
JPH11245639A (en) * 1998-02-27 1999-09-14 Isuzu Motors Ltd Impact energy absorbing structure by torsion bar

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08156550A (en) * 1994-12-08 1996-06-18 Mitsubishi Motors Corp Suspension device
KR980008069U (en) * 1996-07-11 1998-04-30 김종진 Belt Pulley Weight Pulley Sliding Device
JPH10324272A (en) * 1997-05-23 1998-12-08 Hiruta Kogyo Kk Front chassis frame
JPH11245639A (en) * 1998-02-27 1999-09-14 Isuzu Motors Ltd Impact energy absorbing structure by torsion bar

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