KR100844708B1 - Center floor mounting structure of stiff-bar for vehicle - Google Patents

Center floor mounting structure of stiff-bar for vehicle Download PDF

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Publication number
KR100844708B1
KR100844708B1 KR1020070060664A KR20070060664A KR100844708B1 KR 100844708 B1 KR100844708 B1 KR 100844708B1 KR 1020070060664 A KR1020070060664 A KR 1020070060664A KR 20070060664 A KR20070060664 A KR 20070060664A KR 100844708 B1 KR100844708 B1 KR 100844708B1
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South Korea
Prior art keywords
center floor
rigid bar
vehicle
bar
rigid
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KR1020070060664A
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Korean (ko)
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서종원
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현대자동차주식회사
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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
    • B62D21/06—Understructures, i.e. chassis frame on which a vehicle body may be mounted of X-shaped or fork-shaped construction, i.e. having members which form an X or fork as the frame is seen in plan view
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20—Floors or bottom sub-units
    • 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

Abstract

A rigid bar coupling structure of a center floor for a vehicle is provided to increase the rigidity of the rigid bar, which is installed on a bottom of the center floor of the vehicle. A rigid bar coupling structure of a center floor for a vehicle comprises upper and lower rigid bars(20,30). One of the upper and lower rigid bars includes a hollow(22,32) prepared inside the bar. The crossing parts of the upper and lower rigid bars are coupled with each other by a coupling member. The coupling member includes a bolt(40), which penetrates through a hole formed in the coupling member of the upper and lower rigid bars, and a nut(50) screw-coupled to a distal end of the bolt. The coupling member of the upper and lower rigid bars are formed with a solid plate parts(21,31) without a hollow.

Description

차량의 센터 플로어 강성바 결합구조{CENTER FLOOR MOUNTING STRUCTURE OF STIFF-BAR FOR VEHICLE}     Center floor rigid bar coupling structure of vehicle {CENTER FLOOR MOUNTING STRUCTURE OF STIFF-BAR FOR VEHICLE}

도 1은 종래 기술에 따른 강성바의 교차부분을 도시한 단면도.1 is a cross-sectional view showing the intersection of the rigid bar according to the prior art.

도 2는 본 발명에 따른 강성바 교차부분을 나타낸 사시도.Figure 2 is a perspective view showing a rigid bar cross section according to the present invention.

도 3은 본 발명에 따른 강성바의 교차부분을 나타낸 단면도.3 is a cross-sectional view showing the intersection of the rigid bar according to the present invention.

도 4는 본 발명에 따른 강성바의 단면도.4 is a cross-sectional view of the rigid bar according to the present invention.

도 5는 본 발명에 따른 센터 플로어와 하부 강성바의 결합 구조를 나타낸 단면도.Figure 5 is a cross-sectional view showing a coupling structure of the center floor and the lower rigid bar according to the present invention.

<도면의 주요 부분에 관한 부호의 설명><Explanation of symbols on main parts of the drawings>

10,10' : 워셔 20 : 상부 강성바 10,10 ': Washer 20: Upper rigid bar

21 : 상부 강성바의 판체부 22 : 상부 강성바의 공간부 21: plate portion of the upper rigid bar 22: space portion of the upper rigid bar

22' : 상부 강성바의 저면부 23 : 상부 강성바의 표면 22 ': Bottom portion of the upper rigid bar 23: Surface of the upper rigid bar

30 : 하부 강성바 31 : 하부 강성바의 판체부30: lower rigid bar 31: plate portion of the lower rigid bar

32 : 하부 강성바의 공간부 32' : 하부 강성바의 저면부32: space portion of the lower rigid bar 32 ': bottom portion of the lower rigid bar

33 : 하부 강성바의 표면 40,40' : 볼트 33: surface of lower rigid bar 40,40 ': bolt

45' : 체결부재 50,50' : 너트 45 ': Fastening member 50,50': Nut

60 : 센터 플로어60: center floor

본 발명은 차량의 센터 플로어 강성바의 결합구조에 관한 것으로서, 보다 상세하게는 상기 센터 플로어의 하측에 교차하여 설치되고 상기 강성바의 교차부위가 체결부재에 의하여 상호 체결된 차량의 센터 플로어 강성바 결합구조에 관한 것이다. The present invention relates to a coupling structure of a center floor rigid bar of a vehicle, and more particularly, a center floor rigid bar of a vehicle intersecting a lower portion of the center floor and intersecting portions of the rigid bar by a fastening member. It relates to a coupling structure.

도 1은 종래 기술에 따른 강성바의 교차부분을 도시한 단면도이다.1 is a cross-sectional view showing the intersection of the rigid bar according to the prior art.

종래 기술에 따른 강성바의 결합구조는 차량의 센터플로어 하부에 설치된 상부 강성바(1)및 하부 강성바(2)와, 상기 상,하부 강성바를 일체적으로 결합시키는 볼트(3)와 너트(4)로 구성된다.The coupling structure of the rigid bar according to the prior art is the upper rigid bar (1) and the lower rigid bar (2) installed on the lower center floor of the vehicle, and the bolt (3) and nut (integrated) to the upper and lower rigid bars integrally ( 4) consists of.

상기 상,하부 강성바(1,2)의 교차부분은 높이 차이로 인한 강성 저하를 최대한 막기 위해서 볼팅 결합 부위(5)가 꺽여져 있다.The intersecting portions of the upper and lower rigid bars 1 and 2 are bent at the bolting coupling site 5 in order to prevent stiffness deterioration due to the height difference.

그러나, 상기 상,하 강성바(1,2)의 꺽여져 있는 부위(5)는 강성이 취약하게 되어 장착시 초기 처짐이 발생할 수 있으며, 주행시 상기 강성바의 진동 소음을 유발하는 문제점이 있다.However, the bent portion 5 of the upper and lower rigid bars 1 and 2 is weak in rigidity, which may cause initial deflection when mounted, and causes vibration noise of the rigid bar when driving.

본 발명은 상기한 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서,The present invention has been made to solve the problems of the prior art,

차량의 센터 플로어 하측에 설치되는 강성바의 강성을 증대시킬 수 있는 차량의 센터 플로어 강성바 결합구조를 제공하는데 그 목적이 있다.An object of the present invention is to provide a center floor rigid bar coupling structure of a vehicle that can increase the rigidity of the rigid bar installed below the center floor of the vehicle.

상기한 기술적 과제를 실현하기 위한 본 발명에 따른 차량의 센터 플로어 강성바의 결합구조는, 차량의 센터 플로어의 하측에 교차하여 설치되고 상,하부 강성바중 적어도 하나는 내부에 공간부를 갖는 중공의 형상으로 형성되고, 상기 상,하부 강성바의 교차부위는 체결부재에 의하여 상호 체결된 것을 특징으로 한다.       Coupling structure of the center floor rigid bar of the vehicle according to the present invention for realizing the above technical problem, is installed to cross the lower side of the center floor of the vehicle, at least one of the upper, lower rigid bar is hollow It is formed in a shape, the intersection portion of the upper, lower rigid bar is characterized in that mutually fastened by a fastening member.

또한, 상기 체결부재는 교차된 상기 상,하부 강성바의 체결부위에 형성된 구멍에 관통되는 볼트와 상기 볼트의 끝단에 나사 조임되는 너트로 구성되고, 상기 상,하부 강성바 사이에는 상기 볼트에 관통되는 워셔가 위치된 것을 특징으로 한다.The fastening member may include a bolt penetrating a hole formed at a fastening portion of the upper and lower rigid bars intersected with a nut and a nut screwed to an end of the bolt, and penetrating the bolt between the upper and lower rigid bars. Characterized in that the washer is located.

또한, 상기 강성바의 교차부위의 체결부는 중공이 형성되지 아니한 판체부로 형성된 것을 특징으로 한다. In addition, the fastening portion of the intersection of the rigid bar is characterized in that formed of a plate body portion is not hollow.

또한, 상기 강성바의 표면은 직선상으로 평평하게 형성되고 상기 판체부의 저면부는 상기 체결부의 저면이 상측으로 오목하게 들어가도록 형성된 것을 특징으로 한다.In addition, the surface of the rigid bar is formed flat in a straight line, characterized in that the bottom surface portion of the plate body portion is formed so that the bottom surface of the fastening portion is concave upward.

또한, 상기 강성바의 판체부의 양측에는 중공이 형성된 것을 특징으로 한다.In addition, both sides of the plate body portion of the rigid bar is characterized in that the hollow is formed.

또한, 상기 하부 강성바가 상기 센터 플로어에 체결되는 부위에 워셔가 위치 된 상태로 상기 센터 플로어에 체결되는 것을 특징으로 한다.In addition, the lower rigid bar is characterized in that it is fastened to the center floor in a state in which the washer is located on the part fastened to the center floor.

이하, 본 발명의 실시 예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 발명에 따른 강성바 교차부분을 나타낸 사시도, 도 3은 본 발명에 따른 강성바의 교차부분을 나타낸 단면도, 도 4는 본 발명에 따른 강성바의 단면도, 도 5는 본 발명에 따른 센터 플로어와 하부 강성바의 결합 구조를 나타낸 단면도이다. Figure 2 is a perspective view showing the cross-section of the rigid bar according to the present invention, Figure 3 is a cross-sectional view showing the intersection of the rigid bar according to the present invention, Figure 4 is a cross-sectional view of the rigid bar according to the present invention, Figure 5 is according to the present invention Sectional view showing the combined structure of the center floor and the lower rigid bar.

본 발명에 따른 강성바의 결합구조는 도 3과 4에 도시된 바와 같이, 차량의 센터 플로어의 하측에 교차하여 설치되고 상,하부 강성바(20,30)중 적어도 하나는 내부가 중공(22)(32)의 형상으로 형성되고, 상기 상,하부 강성바(20,30)의 교차부위는 체결부재에 의하여 상호 체결된다.3 and 4, the coupling structure of the rigid bar according to the present invention is installed to cross the lower side of the center floor of the vehicle, and at least one of the upper and lower rigid bars 20 and 30 has a hollow 22 ) Is formed in the shape of 32, the intersection of the upper and lower rigid bars (20, 30) is fastened to each other by a fastening member.

상기 체결부재(45)는 교차된 상기 상,하부 강성바(20,30)의 체결부위에 형성된 구멍에 관통되는 볼트(40)와 상기 볼트의 끝단에 나사 조임되는 너트(50)로 구성되고, 상기 상,하부 강성바(20,30) 사이에는 상기 볼트(40)에 관통되는 워셔(10)가 위치된다.The fastening member 45 is composed of a bolt 40 penetrating through the hole formed in the fastening portion of the upper and lower rigid bars 20 and 30 intersected with the nut 50 screwed to the end of the bolt, The washer 10 penetrating the bolt 40 is positioned between the upper and lower rigid bars 20 and 30.

또한, 상기 상,하부 강성바(20,30)의 체결부위는 중공이 형성되지 아니한 판체부(21,31)로 형성되고, 상기 상,하부 강성바의 표면(23,33)은 직선상으로 평평하게 형성되고 상기 판체부(21,31)의 저면부(22',32')는 상기 강성바(20,30)의 다른 부위보다 상측으로 오목하게 들어가도록 형성된다.In addition, the fastening portions of the upper and lower rigid bars 20 and 30 are formed of plate parts 21 and 31 which are not hollow, and the surfaces 23 and 33 of the upper and lower rigid bars are linear. It is formed to be flat and the bottom portions 22 'and 32' of the plate portions 21 and 31 are formed to concave upward from other portions of the rigid bars 20 and 30.

또한, 상기 상,하부 강성바(20,30)의 상기 판체부(21,31)의 양측은 다른 부위와 같이 중공(22)(32)의 구조를 갖는다.In addition, both sides of the plate portions 21 and 31 of the upper and lower rigid bars 20 and 30 have a structure of hollow 22 and 32 like other portions.

도 5에 도시된 바와 같이, 상기 센터 플로어(60)의 하부와 상기 하부 강성바(30)의 결합부분은 상기 상,하부 강성바(20,30)의 교차부분에 의해 높이차가 생긴다. 이러한 높이차를 메우기 위해 상기 하부 강성바(30)와 상기 센터 플로어(60)의 체결부재(45') 사이에 워셔(10')가 위치된다.As shown in FIG. 5, the coupling portion of the lower portion of the center floor 60 and the lower rigid bar 30 has a height difference due to the intersection of the upper and lower rigid bars 20 and 30. The washer 10 'is positioned between the lower rigid bar 30 and the fastening member 45' of the center floor 60 to fill the height difference.

본 발명에 따른 차량의 센터플로어 강성바 결합구조는, 단면적이 큰 압축 파이프형태의 중공의 강성바로 형성되어 있어 강성바를 직선상으로 형성하면서도 그 강성이 증대되고, 서로 교차하는 상.하부 강성바의 체결부는 중공이 없는 판체부로 형성되어 있어 체결부위의 높이를 낮출 수 있으며, 상기 상,하부 강성바의 체결부 사이에 워셔가 설치되어 상,하부 강성바를 긴밀하게 서로 체결시킬 수 있는 효과가 있다.       The center floor rigid bar coupling structure of the vehicle according to the present invention is formed of a hollow rigid bar of a compression pipe type having a large cross-sectional area, and while the rigid bar is formed in a straight line, its rigidity is increased, and the upper and lower rigid bars cross each other. Since the fastening part is formed of a plate body without a hollow, the height of the fastening part can be lowered, and a washer is installed between the fastening parts of the upper and lower rigid bars, so that the upper and lower rigid bars can be closely connected to each other. .

Claims (6)

차량의 센터 플로어의 하측에 교차하여 설치되고 상,하부 강성바중 적어도 하나는 내부에 공간부를 갖는 중공의 형상으로 형성되고, 상기 상,하부 강성바의 교차부위는 체결부재에 의하여 상호 체결되고,        Installed at the lower side of the center floor of the vehicle and at least one of the upper and lower rigid bars is formed in a hollow shape having a space therein, the intersection of the upper and lower rigid bars is fastened to each other by a fastening member, 상기 체결부재는 교차된 상기 상,하부 강성바의 체결부위에 형성된 구멍에 관통되는 볼트와 상기 볼트의 끝단에 나사 조임되는 너트로 구성되고, 상기 상,하부 강성바 사이에는 상기 볼트에 관통되는 워셔가 위치되며, The fastening member includes a bolt penetrating a hole formed in a fastening portion of the upper and lower rigid bars crossed and a nut screwed to an end of the bolt, and a washer penetrating the bolt between the upper and lower rigid bars. Is located, 상기 강성바의 교차부위의 체결부는 중공이 형성되지 아니한 판체부로 형성되고, The fastening portion of the intersection of the rigid bar is formed of a plate body portion is not formed hollow, 상기 강성바의 표면은 직선상으로 평평하게 형성되고 상기 판체부의 저면부는 상기 체결부의 저면이 상측으로 오목하게 들어가도록 형성된 차량의 센터 플로어 강성바 결합구조.The surface of the rigid bar is formed flat in a straight line and the bottom portion of the plate body portion of the center floor rigid bar coupling structure of the vehicle formed so that the bottom of the fastening portion recessed upward. 삭제delete 삭제delete 삭제delete 청구항 1에 있어서,       The method according to claim 1, 상기 강성바의 판체부의 양측에는 중공의 형상으로 형성된 차량의 센터 플로어 강성바 결합구조.       Center floor rigid bar coupling structure of the vehicle formed in a hollow shape on both sides of the plate portion of the rigid bar. 청구항 1에 있어서,       The method according to claim 1, 상기 하부 강성바가 상기 센터 플로어에 체결되는 부위에 워셔가 위치된 상태로 상기 센터 플로어에 체결되는 차량의 센터 플로어 강성바 결합구조.       The center floor rigid bar coupling structure of the vehicle is fastened to the center floor with the washer is located in a portion where the lower rigid bar is fastened to the center floor.
KR1020070060664A 2007-06-20 2007-06-20 Center floor mounting structure of stiff-bar for vehicle KR100844708B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004155219A (en) * 2002-11-01 2004-06-03 Fuji Heavy Ind Ltd Vehicle body rear structure
JP2006176060A (en) * 2004-12-24 2006-07-06 Toyota Motor Corp Reinforcement structure for vehicle body floor part

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004155219A (en) * 2002-11-01 2004-06-03 Fuji Heavy Ind Ltd Vehicle body rear structure
JP2006176060A (en) * 2004-12-24 2006-07-06 Toyota Motor Corp Reinforcement structure for vehicle body floor part

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