US20010004160A1 - Vehicle frame reinforcement - Google Patents

Vehicle frame reinforcement Download PDF

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Publication number
US20010004160A1
US20010004160A1 US09/727,797 US72779700A US2001004160A1 US 20010004160 A1 US20010004160 A1 US 20010004160A1 US 72779700 A US72779700 A US 72779700A US 2001004160 A1 US2001004160 A1 US 2001004160A1
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United States
Prior art keywords
side frame
frame member
reinforcement
vehicle
section
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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.)
Granted
Application number
US09/727,797
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US6354654B2 (en
Inventor
Seong Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kia Corp
Original Assignee
Kia Motors Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kia Motors Corp filed Critical Kia Motors Corp
Assigned to KIA MOTORS CORPORATION reassignment KIA MOTORS CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEE, SEONG HACK.
Publication of US20010004160A1 publication Critical patent/US20010004160A1/en
Application granted granted Critical
Publication of US6354654B2 publication Critical patent/US6354654B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
    • B62D21/152—Front or rear frames
    • 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
    • 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
    • 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
    • B62D25/08—Front or rear portions

Definitions

  • the present invention relates to a reinforcement of a vehicle frame structure, more particularly to a reinforcement for minimizing interference with other components to be installed around the frames and for reinforcing the weakened portions on a side frame member in a motor vehicle frame structure.
  • the motor vehicles are provided with a pair of lateral side frame members which extend in a lateral direction of the vehicle.
  • Each of the two side frame members is connected by at least one cross frame member.
  • Reinforcement and bumper or the like is engaged by securing elements such as rivets, bolts or welding to the side frame member.
  • the frame structure is referred to H-shaped frame because of the outline of the frame members.
  • the side frame member functions to support load, and absorb, deliver rearward and disperse impact load when a sudden impact force is imposed on the vehicle from a collision.
  • the cross section of side frame member is in a rectangular shape.
  • a kick-up frame is bent so as to lower the underside panel of the vehicle, i.e., passenger cars and buses.
  • FIG. 1 is a side view of the general frame structure of the vehicle.
  • a typical frame structure 10 for the vehicle is provided with a pair of side frame members 11 in a lateral direction and at least one cross frame member 12 for connecting the side frame member 11 at a predetermined position thereof.
  • a kick-up frame 13 which is bent to lower the underside panel of the vehicle is connected in itself
  • Japanese Patent Laid-open Publication No. (Pyung) 8-58616 discloses a bumper stay for reinforcing the side frame member, as shown in FIG. 4.
  • the bumper stay C in a stair-shape in cross section is formed as a reinforcing means for reinforcing an interconnection of the side frame member A with the cross frame member B which is transversely disposed on the side frame member A.
  • the bumper stay C is secured to the side frame member A and the cross member B via bolts, respectively.
  • the conventional side frame member A of the vehicle includes the reinforcement installed to the side frame member A for reinforcing the side frame member A itself or the bumper stay C secured at the interconnection of the side frame member A with the cross frame member B, section modulus or reinforcing effect is not improved.
  • the conventional frame members have a disadvantage that the impact is concentrated on the kick-up frame 13 , thereby causing a driver and/or passengers to be exposed to a severe injury by the impact.
  • a pair of laterally extending side frame members 11 disposed on each side of a vehicle body and at least one cross frame member 12 disposed between the side frame members 11 .
  • the side frame members 11 are provided with the kick-up frames 13 , each integrally and inwardly bent formed at one end of the side frame member 11 .
  • the present invention further comprises a reinforcement 30 installed at the interconnection of the side frame member 11 with the kick-up frame 13 .
  • the reinforcement 30 does not interfere with any pipes or components in the exhaust system.
  • the reinforcement 30 prevents the passenger compartment of the vehicle from deforming or buckling, so that a driver and/or passengers may secure a security space despite collision, thereby improving security and reliability of the vehicle.
  • FIG. 1 is a side view of a general frame structure of the vehicle
  • FIG. 2 is a sectional view of a preferred embodiment of the frame structure to which reinforcements are installed according to the present invention
  • FIG. 3 is a perspective view of a preferred embodiment of the frame structure to which reinforcements are installed according to the present invention.
  • FIG. 4 is a sectional view of the bumper stay according to the conventional frame structure.
  • FIG. 1 shows a general frame structure.
  • the frame structure comprises a pair of side frame members 11 extending in the lateral direction of the vehicle, each of which is connected by at least one cross member 12 at a predetermined position thereof, a kick-up frame 13 integrally formed of bent portion with the side frame member 11 , and a reinforcement 30 installed at the interconnection of the side frame member 11 with the kick-up frame 13 .
  • the reinforcement 30 hollow and triangular in cross section, includes a flat top section 20 in parallel to a top section of the side frame member 11 and a slope section 21 which is inclined downwardly and formed integrally therewith.
  • the end of the flat top section 20 and the end of the slope section 21 have flanges 22 , 23 thereof, respectively, so that the top section 20 and the slope section 21 may be fixed and welded to be in contact with upper and lower portions of the side frame member 11 .
  • the reinforcement 30 is installed in the kick-up frame 13 of the side frame member 11 , as shown in FIG. 2.
  • an unimpaired square pipe may be utilized or two channel members in the shape of a bracket extending both ends, i.e., “[” in opposite for engagement in the lateral direction are utilized as in FIG. 2.
  • the pipes 31 e.g., a fuel pipe and a brake pipe are preferably positioned above the reinforcement 30 .
  • the exhaust system components 40 are positioned at a predetermined distance from the outer surface of the slope section 21 of the reinforcement 30 , since the exhaust system components 40 are maintained at a high temperature by heat from the exhaust gas of the engine.
  • FIG. 3 is a perspective view of a preferred embodiment of the frame structure to which reinforcements are installed according to the present invention.
  • the vehicle frame structure 10 comprises a pair of lateral side frame members 11 which extend in the lateral direction of the vehicle. Each of the two side frame members 11 is connected by at least one cross member 12 at a predetermined position.
  • the kick-up frame 13 is bent to lower the underside panel of the vehicle, which is connected in integral with the side frame member 11 .
  • the reinforcement 30 is installed along the kick-up frame 13 and the interconnection of the side frame member 11 therewith for reinforcing the weakened portion of the side frame member 11 in the event of a collision.
  • the reinforcement 30 having a large section modulus thereof effectively reinforces the vehicle frame 10 , thereby preventing the deformation of the passenger compartment of the vehicle despite collision and accommodating a driver and/or passengers to secure a security space.
  • the present invention avoids interference with the exhaust system components and the pipes passing in the lateral direction of the vehicle, so that the vehicle pipes such as a fuel pipe or a brake pipe block the heat emitted from the exhaust system components, to guarantee piping security.
  • the present invention improves security and reliability of the vehicle.

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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

Reinforcement (30) for reinforcing a vehicle frame structure (10), having a triangular shape in cross section, including one section (20) in parallel to a side frame member (11), and the other section (21) being attached to a lower section of the side frame member (11). The present invention prevents interference with pipes passing in a lateral direction of the vehicle frame (10) and the exhaust system components. Further, the reinforcement (30) of the invention has a large section modulus, thereby effectively reinforcing the vehicle frame (10).

Description

    FIELD OF THE INVENTION
  • The present invention relates to a reinforcement of a vehicle frame structure, more particularly to a reinforcement for minimizing interference with other components to be installed around the frames and for reinforcing the weakened portions on a side frame member in a motor vehicle frame structure. [0001]
    • BACKGROUND OF THE INVENTION
  • Generally, the motor vehicles are provided with a pair of lateral side frame members which extend in a lateral direction of the vehicle. Each of the two side frame members is connected by at least one cross frame member. Reinforcement and bumper or the like is engaged by securing elements such as rivets, bolts or welding to the side frame member. The frame structure is referred to H-shaped frame because of the outline of the frame members. [0002]
  • The side frame member functions to support load, and absorb, deliver rearward and disperse impact load when a sudden impact force is imposed on the vehicle from a collision. [0003]
  • The cross section of side frame member is in a rectangular shape. A kick-up frame is bent so as to lower the underside panel of the vehicle, i.e., passenger cars and buses. [0004]
  • FIG. 1 is a side view of the general frame structure of the vehicle. A [0005] typical frame structure 10 for the vehicle is provided with a pair of side frame members 11 in a lateral direction and at least one cross frame member 12 for connecting the side frame member 11 at a predetermined position thereof. At one end of the side frame member 11, a kick-up frame 13 which is bent to lower the underside panel of the vehicle is connected in itself
  • In this frame structure, when a collision of the vehicle occurs, an abrupt impact load is delivered on the [0006] side frame member 11 from a bumper (not shown) and absorbed by deformation of the side frame member 11. However, at the time of collision, the impact load is concentrated on the kick-up frame 13 and serious deformation of the kick-up frame 13 results in a severe injury of a driver and/or passengers by the impact.
  • Japanese Patent Laid-open Publication No. (Pyung) 8-58616 discloses a bumper stay for reinforcing the side frame member, as shown in FIG. 4. [0007]
  • In FIG. 4, the bumper stay C in a stair-shape in cross section, is formed as a reinforcing means for reinforcing an interconnection of the side frame member A with the cross frame member B which is transversely disposed on the side frame member A. The bumper stay C is secured to the side frame member A and the cross member B via bolts, respectively. [0008]
  • Although the conventional side frame member A of the vehicle includes the reinforcement installed to the side frame member A for reinforcing the side frame member A itself or the bumper stay C secured at the interconnection of the side frame member A with the cross frame member B, section modulus or reinforcing effect is not improved. [0009]
  • As a result, the conventional frame members have a disadvantage that the impact is concentrated on the kick-[0010] up frame 13, thereby causing a driver and/or passengers to be exposed to a severe injury by the impact.
    • OBJECT OF THE INVENTION
  • It is therefore an object of the present invention to provide a reinforcement disposed on the kick-up frame of the side frame member, which prevents a passenger compartment of the vehicle from deforming or buckling, so that a driver and/or passengers may secure a security space despite collision. [0011]
  • It is the other object of the present invention to provide a reinforcement for absorbing impact applied thereto, which increases section modulus thereof to effectively reinforce the side frame member and eliminates interference in the assembly process of a fuel pipe and an exhaust pipe or the like. [0012]
  • In order to accomplish the above objects, there are provided a pair of laterally extending [0013] side frame members 11 disposed on each side of a vehicle body and at least one cross frame member 12 disposed between the side frame members 11. The side frame members 11 are provided with the kick-up frames 13, each integrally and inwardly bent formed at one end of the side frame member 11. The present invention further comprises a reinforcement 30 installed at the interconnection of the side frame member 11 with the kick-up frame 13.
  • The [0014] reinforcement 30 does not interfere with any pipes or components in the exhaust system.
  • Additionally, the [0015] reinforcement 30 prevents the passenger compartment of the vehicle from deforming or buckling, so that a driver and/or passengers may secure a security space despite collision, thereby improving security and reliability of the vehicle.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • The above and other objects and features of the present invention may be understood with reference to the following detailed description of an illustrative embodiment of the invention, taken together with the accompanying drawings in which: [0016]
  • FIG. 1 is a side view of a general frame structure of the vehicle; [0017]
  • FIG. 2 is a sectional view of a preferred embodiment of the frame structure to which reinforcements are installed according to the present invention; [0018]
  • FIG. 3 is a perspective view of a preferred embodiment of the frame structure to which reinforcements are installed according to the present invention; and [0019]
  • FIG. 4 is a sectional view of the bumper stay according to the conventional frame structure. [0020]
    • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
  • FIG. 1 shows a general frame structure. The frame structure comprises a pair of [0021] side frame members 11 extending in the lateral direction of the vehicle, each of which is connected by at least one cross member 12 at a predetermined position thereof, a kick-up frame 13 integrally formed of bent portion with the side frame member 11, and a reinforcement 30 installed at the interconnection of the side frame member 11 with the kick-up frame 13.
  • Referring to FIG. 2, the [0022] reinforcement 30, hollow and triangular in cross section, includes a flat top section 20 in parallel to a top section of the side frame member 11 and a slope section 21 which is inclined downwardly and formed integrally therewith.
  • The end of the [0023] flat top section 20 and the end of the slope section 21 have flanges 22, 23 thereof, respectively, so that the top section 20 and the slope section 21 may be fixed and welded to be in contact with upper and lower portions of the side frame member 11.
  • Accordingly, the [0024] reinforcement 30 is installed in the kick-up frame 13 of the side frame member 11, as shown in FIG. 2.
  • For the [0025] side frame member 11, an unimpaired square pipe may be utilized or two channel members in the shape of a bracket extending both ends, i.e., “[” in opposite for engagement in the lateral direction are utilized as in FIG. 2.
  • When the [0026] reinforcement 30 is installed at the interconnection of the side frame member 11 with the kick-up frame 13, the pipes 31 e.g., a fuel pipe and a brake pipe are preferably positioned above the reinforcement 30.
  • Then, the [0027] exhaust system components 40 are positioned at a predetermined distance from the outer surface of the slope section 21 of the reinforcement 30, since the exhaust system components 40 are maintained at a high temperature by heat from the exhaust gas of the engine.
  • FIG. 3 is a perspective view of a preferred embodiment of the frame structure to which reinforcements are installed according to the present invention. [0028]
  • As shown is in FIG. 3, the [0029] vehicle frame structure 10 comprises a pair of lateral side frame members 11 which extend in the lateral direction of the vehicle. Each of the two side frame members 11 is connected by at least one cross member 12 at a predetermined position. The kick-up frame 13 is bent to lower the underside panel of the vehicle, which is connected in integral with the side frame member 11.
  • According to the present invention, the [0030] reinforcement 30 is installed along the kick-up frame 13 and the interconnection of the side frame member 11 therewith for reinforcing the weakened portion of the side frame member 11 in the event of a collision.
  • Accordingly, the [0031] reinforcement 30 having a large section modulus thereof effectively reinforces the vehicle frame 10, thereby preventing the deformation of the passenger compartment of the vehicle despite collision and accommodating a driver and/or passengers to secure a security space.
  • Additionally, the present invention avoids interference with the exhaust system components and the pipes passing in the lateral direction of the vehicle, so that the vehicle pipes such as a fuel pipe or a brake pipe block the heat emitted from the exhaust system components, to guarantee piping security. The present invention improves security and reliability of the vehicle. [0032]
  • The present invention is not limited to these embodiments, and it should be clear to those skilled in the art that other embodiments are possible within the spirit and scope of the invention claimed. [0033]

Claims (3)

What is claimed is:
1. Reinforcement for reinforcing a vehicle frame structure (10) including a pair of lateral side frame members (11) extending in a lateral direction of the vehicle, and at least one cross frame member (12) connecting the side frame members (11) at a predetermined position of the side frame member (11), each of the side frame members (11) having a kick-up frame (13) inwardly bent at the end thereof, characterized in that the reinforcement (30) is installed at the interconnection of the side frame member (11) with the kick-up frame (13) of the side frame member (11).
2. Reinforcement according to
claim 1
, wherein said reinforcement (30) has a flat top section (20) in parallel to a top section of the side frame member (11) and a slope section (21) which is inclined downwardly having a hollow, triangular shape.
3. Reinforcement according to
claim 2
, wherein said top section (20) and said slope section (21) include flanges (22, 23) integrally curved at the end thereof so that top section (20) and the slope section (21) may be fixed and welded to be in contact with upper and lower portions of the side frame member (11).
US09/727,797 1999-12-21 2000-11-30 Vehicle frame reinforcement Expired - Lifetime US6354654B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1999-60005 1999-12-21
KR1019990060005A KR100333889B1 (en) 1999-12-21 1999-12-21 Reinforcement structure having a member for reinforcing a frame for a motor vehicle

Publications (2)

Publication Number Publication Date
US20010004160A1 true US20010004160A1 (en) 2001-06-21
US6354654B2 US6354654B2 (en) 2002-03-12

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US09/727,797 Expired - Lifetime US6354654B2 (en) 1999-12-21 2000-11-30 Vehicle frame reinforcement

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US (1) US6354654B2 (en)
EP (1) EP1110849B1 (en)
JP (1) JP3605669B2 (en)
KR (1) KR100333889B1 (en)
CN (1) CN1147409C (en)
DE (1) DE60009245T2 (en)
ID (1) ID29169A (en)

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CN103192880A (en) * 2013-04-28 2013-07-10 长城汽车股份有限公司 Vehicle and frame thereof
CN108001533A (en) * 2017-11-22 2018-05-08 奇瑞汽车股份有限公司 Front deck vehicle frame
CN109353412A (en) * 2018-09-13 2019-02-19 吉利汽车研究院（宁波）有限公司 A kind of front collision energy-absorbing device and the body assembly with it

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CN103192880A (en) * 2013-04-28 2013-07-10 长城汽车股份有限公司 Vehicle and frame thereof
CN108001533A (en) * 2017-11-22 2018-05-08 奇瑞汽车股份有限公司 Front deck vehicle frame
CN109353412A (en) * 2018-09-13 2019-02-19 吉利汽车研究院（宁波）有限公司 A kind of front collision energy-absorbing device and the body assembly with it

Also Published As

Publication number Publication date
KR20010063128A (en) 2001-07-09
CN1300677A (en) 2001-06-27
ID29169A (en) 2001-08-09
DE60009245T2 (en) 2005-03-10
DE60009245D1 (en) 2004-04-29
JP3605669B2 (en) 2004-12-22
KR100333889B1 (en) 2002-04-25
CN1147409C (en) 2004-04-28
EP1110849B1 (en) 2004-03-24
EP1110849A1 (en) 2001-06-27
JP2001180516A (en) 2001-07-03
US6354654B2 (en) 2002-03-12

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