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KR20010019320A - Structure of rear wheel cross member - Google Patents

Structure of rear wheel cross member Download PDF

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Publication number
KR20010019320A
KR20010019320A KR1019990035666A KR19990035666A KR20010019320A KR 20010019320 A KR20010019320 A KR 20010019320A KR 1019990035666 A KR1019990035666 A KR 1019990035666A KR 19990035666 A KR19990035666 A KR 19990035666A KR 20010019320 A KR20010019320 A KR 20010019320A
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KR
South Korea
Prior art keywords
cross member
rear wheel
lower stopper
assembly structure
rigidity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
KR1019990035666A
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Korean (ko)
Inventor
배현주
Original Assignee
이계안
현대자동차 주식회사
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Publication date
Application filed by 이계안, 현대자동차 주식회사 filed Critical 이계안
Priority to KR1019990035666A priority Critical patent/KR20010019320A/en
Priority to JP2000037704A priority patent/JP2001080540A/en
Priority to DE10011033A priority patent/DE10011033B4/en
Publication of KR20010019320A publication Critical patent/KR20010019320A/en
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/055—Stabiliser bars
    • B60G21/0551—Mounting means therefor
    • 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
    • B60G3/00—Resilient suspensions for a single wheel
    • B60G3/02—Resilient suspensions for a single wheel with a single pivoted arm
    • B60G3/12—Resilient suspensions for a single wheel with a single pivoted arm the arm being essentially parallel to the longitudinal axis of the vehicle
    • B60G3/14—Resilient suspensions for a single wheel with a single pivoted arm the arm being essentially parallel to the longitudinal axis of the vehicle the arm being rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/02—Attaching arms to sprung part of vehicle
    • 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
    • B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/10—Independent suspensions
    • B60G2200/13—Independent suspensions with longitudinal arms only
    • B60G2200/132—Independent suspensions with longitudinal arms only with a single trailing arm
    • B60G2200/1322—Independent suspensions with longitudinal arms only with a single trailing arm with a wishbone or triangular arm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/13—Torsion spring
    • B60G2202/135—Stabiliser bar and/or tube
    • 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
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/122—Mounting of torsion springs
    • B60G2204/1222—Middle mounts of stabiliser on vehicle body or chassis
    • 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
    • B60G2204/143—Mounting of suspension arms on the vehicle body or chassis
    • 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
    • B60G2204/15—Mounting of subframes
    • 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
    • B60G2204/43—Fittings, brackets or knuckles
    • B60G2204/4302—Fittings, brackets or knuckles for fixing suspension arm on the vehicle body or chassis
    • 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
    • B60G2204/44—Centering or positioning means
    • B60G2204/4404—Retainers for holding a fixing element, e.g. bushing, nut, bolt etc., until it is tightly fixed in position
    • 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
    • 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
    • B60G2206/60—Subframe construction
    • 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
    • B60G2206/60—Subframe construction
    • B60G2206/602—Single transverse beam
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

본 발명은, 후륜 크로스멤버와 차체와의 결합력, 특히 지지강성을 증대시키기 위한 조립구조에 관한 것으로서, 본 발명은, 후륜 현가장치의 크로스 멤버에 로워 암을 연결하여 구동 바퀴와 결합하고 상기 로워 암에 로워 스토퍼를 연결하여 사이드 멤버와 결합시켜 차량의 강성을 유지시키도록 한 크로스 멤버의 차체 조립구조에 있어서, 로워 스토퍼는, 전,후방향 연장부를 전,후방향의 강성을 유지하기 위해 사이드 멤버에 제2고정볼트로 2점 볼팅하고, 횡방향 연장부를 좌,우방향의 강성을 유지하기 위해 사이드 실 인너에 제1고정볼트로 1점 볼팅한 것을 특징으로 하는 후륜 크로스멤버의 차체 조립구조를 제공한다.The present invention relates to an assembly structure for increasing the coupling force between the rear wheel member and the vehicle body, in particular, the support rigidity, and the present invention is connected to the driving wheel by connecting a lower arm to the cross member of the rear wheel suspension and the lower arm. In the body assembly structure of the cross member which connects the lower stopper to the side member and maintains the rigidity of the vehicle, the lower stopper is a side member in order to maintain the front and rear extension parts in the front and rear directions. The body assembly structure of the rear wheel crossmember is characterized by bolting two points with a second fixing bolt and bolting one point with a first fixing bolt on the side seal inner to maintain the stiffness in the lateral direction. to provide.

Description

후륜 크로스멤버의 차체 조립구조{Structure of rear wheel cross member}Structure of rear wheel cross member

본 발명은, 후륜 현가장치의 크로스멤버를 차체에 체결하는 구조에 있어서, 체결부의 지지강성을 증대하기 위채 추가되는 로워 스토퍼의 형상을 전,후 방향 및 횡방으로 제작하고, 전,후방향 연장부는 차체의 사이드 멤버에 2점을 지지하여 볼트로 체결하고, 횡방향 연장부는 사이드 실에 1점을 지지하여 볼트로 체결하는 구조로 형성된 후륜 크로스 멤버의 차체 조립구조에 관한 것이다.According to the present invention, in the structure of fastening the cross member of the rear wheel suspension to the vehicle body, the shape of the lower stopper added to increase the support rigidity of the fastening part is manufactured in the forward, rearward and horizontal directions, and the front and rear extension parts It relates to a vehicle assembly structure of a rear wheel cross member formed of a structure in which two points are supported on a side member of the vehicle body and fastened by bolts, and a lateral extension part is supported by one bolt on a side seal.

일반적으로, 후륜 현가장치의 크로스멤버를 차체에 고정시킬때는, 부싱 인너 파이프(Bushing Inner Pipe)에 볼트를 상방향으로 끼워 체결하며, 마운팅(Mounting) 강성 보강을 위해 부싱 하단에 스토퍼 로워(Stopper Lower)를 차량 전방으로 연장시켜 볼트 2개를 이용하여 차체와의 결합을 보강하는 구조로 형성된다.In general, when fastening the crossmember of the rear suspension to the vehicle body, the bolts are fastened to the bushing inner pipe upwards, and a stopper lower at the bottom of the bushing to reinforce the mounting rigidity. ) Is extended to the front of the vehicle to form a structure that reinforces the coupling with the vehicle body by using two bolts.

도 1a는 종래의 후륜 크로스멤버의 차체 조립구조를 나타내는 도면이고, 도 1b는 도 1a의 A-A 단면도이며, 도 1c는 도 1a의 B부 확대도면이고, 도 1d는 도 1 c의 C-C 단면도이며, 도 1e는 도 1c의 측면도이다.FIG. 1A is a view illustrating a vehicle body assembly structure of a conventional rear wheel cross member, FIG. 1B is a cross-sectional view taken along line AA of FIG. 1A, FIG. 1C is an enlarged view of portion B of FIG. 1A, and FIG. 1D is a cross-sectional view taken along line CC of FIG. 1C. 1E is a side view of FIG. 1C.

도 1a와 도 1b에서 알 수 있듯이, 차량의 크로스멤버(10)에는 로워 암(12)이 결합되고 로워 암(12)에는 구동바퀴(14)가 결합한다. 또한, 상기 크로스멤버(10)에는 일측에 로워 스토퍼(16)를 설치하여 사이드 멤버(18)에 결합한다.1A and 1B, the lower arm 12 is coupled to the cross member 10 of the vehicle, and the driving wheel 14 is coupled to the lower arm 12. In addition, the cross member 10 is provided with a lower stopper 16 on one side and coupled to the side member 18.

상기 로워 스토퍼(16)에는 사이드 멤버(18)와의 결합시 사이에 크로스멤버 부쉬(20)를 두고 제1,2고정볼트(22)(24)로 결합한다.The lower stopper 16 is coupled to the first and second fixing bolts 22 and 24 with cross member bushes 20 between the side members 18 when the side stoppers 16 are coupled to each other.

도 1c, 1d, 1e에서 알 수 있듯이, 상기 로워 스토퍼(16)는, 몸체를 계단 타입으로 형성하여 상단부(26)와 하단부(28)로 구성하였다. 상기 로워 스토퍼(16)의 상단부(26)와 하단부(28)에는 각각 볼트홈(30)(32)을 형성하고, 상기 볼트홈(30)에는 제1고정볼트(22)를 결합하고, 다른 볼트홈(32)에는 제2고정볼트(24)를 결합한다.As can be seen in Figures 1c, 1d, 1e, the lower stopper 16, the body was formed in a staircase type consisting of an upper end 26 and a lower end 28. The upper end 26 and the lower end 28 of the lower stopper 16 are formed with bolt grooves 30 and 32, respectively, and the first bolts 22 are coupled to the bolt grooves 30, and other bolts are provided. The second fixing bolt 24 is coupled to the groove 32.

전술한 후륜 차량의 크로스멤버의 차체 조립구조를 구성하는 로워 스토퍼는, 그 로워 스토퍼의 방향이 전,후로 위치하기 때문에 차량의 전,후 방향의 압력에 대해서는 적당한 지지강성을 가지지만, 선회시와 비포장 도로와 같은 험로에서의 주행시는 차량의 횡방향으로 들어오는 하중(차량의 외측방향)에 대해서는 지지강성이 부족하며, 그로인해 험로 주행시는 차량의 후반부가 흔들리고, 선회시는 크로스멤버의 차체 조립구조의 강성 및 타이어 그립(Tire grip)력이 감소되어 전반적으로 주행 안정감이 떨어지는 문제점을 발생시켰다.The lower stopper constituting the body assembly structure of the cross member of the rear wheel vehicle described above has a suitable support rigidity against the pressure in the front and rear directions of the vehicle since the direction of the lower stopper is positioned forward and backward. When driving on a rough road such as an unpaved road, there is a lack of support rigidity for loads coming in the lateral direction of the vehicle (outside of the vehicle). The stiffness of the tire and the tire grip force were reduced, resulting in a decrease in driving stability.

본 발명은 전술한 문제점을 해결하기 위하여 안출한 것으로, 후륜 현가장치의 크로스멤버를 차체에 체결함에 있어 체결부의 지지강성을 증대하기 위해 로워 스토퍼의 형상을 변경하여 동시에 전,후 방향과 횡방향으로 지지할 수 있고, 또한 로워 스토퍼의 전,후 방향 연장부를 차체의 사이드 멤버에 볼팅하고 횡방향 연장부는 차체의 사이드 실에 볼팅하는 구조로 형성한 휴륜 크로스멤버의 차체 조립구조를 제공한다.The present invention has been made in order to solve the above-mentioned problems, in order to increase the support rigidity of the fastening portion in fastening the cross member of the rear wheel suspension to the vehicle body by changing the shape of the lower stopper in the front, rear and lateral directions at the same time. It provides a vehicle assembly structure of a closed-wheel crossmember which is supported, and is formed in a structure in which the front and rear extensions of the lower stopper are bolted to the side members of the vehicle body and the lateral extensions are bolted to the side seals of the vehicle body.

본 발명은 전술한 목적을 달성하기 위한 것으로서, 본 발명은, 후륜 현가장치의 크로스 멤버에 로워 암을 연결하여 구동 바퀴와 결합하고 상기 로워 암에 로워 스토퍼를 연결하여 사이드 멤버와 결합시켜 차량의 강성을 유지시키도록 한 크로스 멤버의 차체 조립구조에 있어서, 로워 스토퍼는, 전,후방향 연장부를 전,후방향의 강성을 유지하기 위해 사이드 멤버에 제2고정볼트로 2점 볼팅하고, 횡방향 연장부를 좌,우방향의 강성을 유지하기 위해 사이드 실 인너에 제1고정볼트로 1점 볼팅한 것을 특징으로 하는 후륜 크로스멤버의 차체 조립구조를 제공한다.The present invention is to achieve the above object, the present invention, by connecting the lower arm to the cross member of the rear wheel suspension coupled to the driving wheel and the lower arm to the lower stop coupled to the side member to the rigidity of the vehicle In the body assembly structure of the cross member to maintain the lower stopper, the lower stopper is bolted to the side member by a second fixing bolt to the front member to maintain the rigidity of the front and rear directions, and extends laterally. It provides a body assembly structure of the rear wheel cross member, characterized in that the one side bolted to the side seal inner with a first fixing bolt to maintain the rigidity of the left and right directions.

도 1a는 종래의 후륜 크로스멤버의 차체 조립구조를 나타내는 도면, 도 1b는 도 1a의 A-A 단면도, 도 1c는 도 1a의 B부 확대도면, 도 1d는 도 1 c의 C-C 단면도, 도 1e는 도 1c의 측면도.FIG. 1A is a view illustrating a vehicle body assembly structure of a conventional rear wheel cross member, FIG. 1B is an AA sectional view of FIG. 1A, FIG. 1C is an enlarged view of a portion B of FIG. 1A, FIG. 1D is a CC sectional view of FIG. 1C, and FIG. 1E is a view. Side view of 1c.

도 2a는 본 발명의 후륜 크로스멤버의 차체 조립구조를 나타내는 도면, 도 2b는 도 2a의 F-F 단면도, 도 2c는 도 2a의 G부 확대도면, 도 2d는 도 2 c의 H-H 단면도, 도 2e는 도 2c의 I-I 단면도, 도 2f는 도 2c의 J-J 단면도, 도 2g는 도 2c의 K-K 단면도.Figure 2a is a view showing the vehicle body assembly structure of the rear wheel cross member of the present invention, Figure 2b is a cross-sectional view FF of Figure 2a, Figure 2c is an enlarged view of the G portion of Figure 2a, Figure 2d is a cross-sectional view HH of Figure 2c, Figure 2e FIG. 2C is a cross-sectional view of FIG. 2F, FIG. 2F is a JJ cross-sectional view of FIG. 2C, and FIG. 2G is a KK cross-sectional view of FIG. 2C.

〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

40: 크로스 멤버 44: 로워 암40: cross member 44: lower arm

48: 구동바퀴 50: 로워 스토퍼48: drive wheel 50: lower stopper

54: 사이드 멤버 58: 전,후방향 연장부54: side member 58: front and rear extensions

60: 횡방향 연장부 64: 크로스멤버 부쉬60: transverse extension 64: crossmember bush

68: 제1고정볼트 70: 제2고정볼트68: first fixing bolt 70: second fixing bolt

74: 사이드 실 인너 78: 사이드 실 아웃터74: side seal inner 78: side seal outer

80: 제1볼트 홈 84: 제2볼트 홈80: first bolt groove 84: second bolt groove

88: 중간부 90: 제3볼트 홈88: middle 90: third bolt groove

92: 제3볼트92: third bolt

이하, 본 발명의 첨부도면을 참조하여 구성과 작용에 대한 바람직한 일실시예를 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings of the present invention will be described in detail a preferred embodiment of the configuration and operation as follows.

도 2a는 본 발명의 5후륜 크로스멤버의 차체 조립구조를 나타내는 도면이고, 도 2b는 도 2a의 F-F 단면도이며, 도 2c는 도 2a의 G부 확대도면이고, 도 2d는 도 2 c의 H-H 단면도이며, 도 2e는 도 2c의 I-I 단면도이고, 도 2f는 도 2c의 J-J 단면도이며, 도 2g는 도 2c의 K-K 단면도이다.Figure 2a is a view showing the vehicle body assembly structure of the five rear wheel cross member of the present invention, Figure 2b is a cross-sectional view FF of Figure 2a, Figure 2c is an enlarged view of the G portion of Figure 2a, Figure 2d is a cross-sectional view HH of Figure 2c. 2E is a II cross-sectional view of FIG. 2C, FIG. 2F is a JJ cross-sectional view of FIG. 2C, and FIG. 2G is a KK cross-sectional view of FIG. 2C.

도 2a와 도 2b에서 알 수 있듯이, 차량의 크로스멤버(40)에는 종래의 구조와 마찬가지로 로워 암(44)을 매체로 하여 구동바퀴(48)와 결합한다. 상기 크로스멤버(40)에는 일측에 로워 스토퍼(50)를 설치하여 사이드 멤버(54)와 결합되는 로워 암(44)과 결합하는데, 상기 로워 스토퍼(50)의 형상은 전,후방향 연장부(58)와 횡방향 연장부(60)를 형성한다.As can be seen in Figures 2a and 2b, the cross member 40 of the vehicle is coupled to the drive wheel 48 using the lower arm 44 as a medium, as in the conventional structure. The cross member 40 is provided with a lower stopper 50 at one side to be coupled with the lower arm 44 coupled with the side member 54. The shape of the lower stopper 50 is a front and rear extension part ( 58 and a lateral extension 60.

특히, 상기 로워 스토퍼(50)의 전,후방향 연장부(58)는 사이드 멤버(54)와 결합시켜 전,후방향에 대한 강성을 유지시키는데, 상기 사이드 멤버(54)와 로워 스토퍼(50)의 전,후방향 연장부(58)의 결합시 중간에 크로스멤버 부쉬(64)를 설치하여 제2고정볼트(70)로 결합시키고, 상기 로워 스토퍼(50)의 횡방향 연장부(60)는 사이드 실 인너(Side sill inner)(74)와 결합시켜 좌,우방향에 대한 강성을 유지시킨다. 상기 사이드 실 인너(74)와 결합되는 것은 사이드 실 아웃터로(78)서 자세한 구조에 대한 설명은 생략한다.In particular, the front and rear extensions 58 of the lower stopper 50 is coupled to the side member 54 to maintain rigidity in the front and rear directions, and the side member 54 and the lower stopper 50 When the front and rear extensions 58 are coupled, the cross member bush 64 is installed in the middle to be coupled to the second fixing bolt 70, and the lateral extension 60 of the lower stopper 50 is In combination with the side sill inner (74) to maintain the rigidity in the left and right directions. As the side seal inner 74 is coupled to the side seal inner 74, detailed description of the structure will be omitted.

도 2c, 2d, 2e에서 알 수 있듯이, 상기 로워 스토퍼(50)의 형상은, 종래의 형상과 마찬가지로 몸체를 계단 타입으로 형성하는데, 상기 로워 스토퍼(50)의 상단부(도면상)인 전,후방향 연장부(58)에는 2개의 볼트홈(80)이 형성되어 제1고정볼트(68)가 결합되고, 상기 로워 스토퍼(50)의 하단부(도면상)인 횡방향 연장부(60)에는 1개의 볼트홈(84)이 형성되어 제2고정볼트(70)가 결합된다. 또한, 상기 로워 스토퍼(50)의 몸체를 구성하는 중간부(88)에도 제3볼트홈(90)이 형성되는 구조이다.As can be seen in Figures 2c, 2d, 2e, the shape of the lower stopper 50, as in the conventional shape, the body is formed in a staircase type, before and after the upper end (in the drawing) of the lower stopper 50 Two bolt grooves 80 are formed in the directional extension portion 58 so that the first fixing bolts 68 are coupled to each other, and the lateral extension portion 60, which is the lower end portion (in the drawing) of the lower stopper 50, is 1 in the lateral extension portion 58. Bolt grooves 84 are formed so that the second fixing bolt 70 is coupled. In addition, the third bolt groove 90 is also formed in the intermediate portion 88 constituting the body of the lower stopper 50.

전술한 구성과 작용에 의한 본 발명의 효과를 살펴보면 다음과 같다.Looking at the effects of the present invention by the above-described configuration and operation are as follows.

본 발명에 의한 후륜 현가장치의 크로스멤버를 차체에 체결하게 되면로워 스토퍼의 결합에 의하여 체결부의 지지강성이 증대하고, 특히 로워 스토퍼가 전,후방향 연장부를 사이드 멤버에 2점 볼팅하고 횡방향 연장부를 사이드 실 인너에 1점 볼팅하는 관계로 전,후 방향과 횡방향에 대한 지지강성이 증대되므로 내구력이 증대되는 효과를 얻을 수 있다.When the cross member of the rear wheel suspension according to the present invention is fastened to the vehicle body, the support rigidity of the fastening portion is increased by the coupling of the lower stopper, and in particular, the lower stopper bolts the front and rear extension parts to the side members at two points and extends in the lateral direction. The bolt is attached to the side seal inner by one point, so that the support stiffness in the front and rear directions and the transverse direction is increased, thereby increasing the durability.

또한, 로워 스토퍼가 차체에 대한 결합력이 증가하게 되어 선회 주행시나 험로 주행시에 있어 운전자에게 안정감있는 승차감을 제공할 수 있게 된다.In addition, the lower stopper increases the coupling force to the vehicle body, it is possible to provide a stable riding comfort to the driver at the time of turning driving or rough road driving.

Claims (1)

후륜 현가장치의 크로스 멤버에 로워 암을 연결하여 구동 바퀴와 결합하고 상기 로워 암에 로워 스토퍼를 연결하여 사이드 멤버와 결합시켜 차량의 강성을 유지시키도록 한 크로스 멤버의 차체 조립구조에 있어서, 로워 스토퍼(50)는, 전,후방향 연장부(58)를 전,후방향의 강성을 유지하기 위해 사이드 멤버(54)에 제2고정볼트(70)로 2점 볼팅하고, 횡방향 연장부(60)를 좌,우방향의 강성을 유지하기 위해 사이드 실 인너(74)에 제1고정볼트(68)로 1점 볼팅한 것을 특징으로 하는 후륜 크로스멤버의 차체 조립구조.A lower stopper in a body assembly structure of a cross member in which a lower arm is connected to a cross member of a rear suspension to engage a driving wheel, and a lower stopper is connected to a lower arm to a side member to maintain rigidity of the vehicle. 50, the front and rear extension portion 58 is bolted to the side member 54 by a second fixing bolt 70 to maintain the rigidity of the front and rear direction, the lateral extension portion 60 ) Is bolted to the side seal inner 74 by the first fixing bolt 68 to maintain the rigidity of the left and right directions, the body assembly structure of the rear wheel cross member.
KR1019990035666A 1999-08-26 1999-08-26 Structure of rear wheel cross member Ceased KR20010019320A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019990035666A KR20010019320A (en) 1999-08-26 1999-08-26 Structure of rear wheel cross member
JP2000037704A JP2001080540A (en) 1999-08-26 2000-02-16 Car body assembly structure for rear cross member
DE10011033A DE10011033B4 (en) 1999-08-26 2000-03-07 Arrangement for coupling a rear wheel cross member to a vehicle body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019990035666A KR20010019320A (en) 1999-08-26 1999-08-26 Structure of rear wheel cross member

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KR20010019320A true KR20010019320A (en) 2001-03-15

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JP (1) JP2001080540A (en)
KR (1) KR20010019320A (en)
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KR100507527B1 (en) * 2002-11-20 2005-08-17 현대자동차주식회사 Lower arm mounting plate structure

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JP4007774B2 (en) * 2001-06-15 2007-11-14 本田技研工業株式会社 Auto body frame structure
SE522508C2 (en) 2002-06-07 2004-02-10 Volvo Lastvagnar Ab Individual front suspension, vehicles fitted with such front suspension and method of providing a resilient suspension
TWI243111B (en) 2003-03-06 2005-11-11 Mitsubishi Motors Corp Suspension supporting apparatus
FR2948607A1 (en) * 2009-08-03 2011-02-04 Peugeot Citroen Automobiles Sa Device for connecting suspension arm to body of motor vehicle, has support comprising two axially spaced parts connected to arm by corresponding pivots to form hinges of arm, and fixing units fixed on body of vehicle
DE102010020497B4 (en) * 2010-05-14 2020-08-06 Audi Ag Sheet metal component with a mounting bracket for an attachment
CN102530084B (en) * 2012-01-19 2015-07-01 重庆长安汽车股份有限公司 Rear longitudinal and cross beam assembly of automotive body

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JPS6447607A (en) * 1987-08-17 1989-02-22 Mazda Motor Suspension device for vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100507527B1 (en) * 2002-11-20 2005-08-17 현대자동차주식회사 Lower arm mounting plate structure

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