WO2020256042A1 - Frame structure - Google Patents

Frame structure Download PDF

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Publication number
WO2020256042A1
WO2020256042A1 PCT/JP2020/023884 JP2020023884W WO2020256042A1 WO 2020256042 A1 WO2020256042 A1 WO 2020256042A1 JP 2020023884 W JP2020023884 W JP 2020023884W WO 2020256042 A1 WO2020256042 A1 WO 2020256042A1
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Prior art keywords
plate portion
side member
vehicle
shock absorbing
frame structure
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PCT/JP2020/023884
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French (fr)
Japanese (ja)
Inventor
哲雄 井上
哲也 原澤
Original Assignee
いすゞ自動車株式会社
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Filing date
Publication date
Application filed by いすゞ自動車株式会社 filed Critical いすゞ自動車株式会社
Publication of WO2020256042A1 publication Critical patent/WO2020256042A1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/15Understructures, 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

Definitions

  • This disclosure relates to the frame structure of the vehicle.
  • Patent Document 1 discloses a structure in which a pair of left and right side frames extending in the front-rear direction are provided, and the side frames are formed by joining the ends of the front side frame and the middle side frame to each other. There is.
  • the vehicle may be provided with a frame structure in which a plurality of side members divided in the front-rear direction of the vehicle are connected.
  • the joint portion of the side member divided in the front-rear direction of the vehicle may have insufficient strength against a load from the outside in the vehicle width direction of the joint portion.
  • the present disclosure has been made in view of these points, and provides a frame structure capable of improving the strength of the joints of a plurality of side members against a load from the outside in the vehicle width direction of the vehicle. The purpose.
  • a first side member extending in the front-rear direction of the vehicle and a second side member provided behind the first side member and extending in the front-rear direction. And, it is provided on the outer surface of the joint portion between the first side member and the second side member in the vehicle width direction of the vehicle, and absorbs collision energy by deforming when colliding with an external object.
  • a frame structure characterized by having a shock absorbing member.
  • the shock absorbing member includes an outer plate portion extending in the front-rear direction and at least a part of an edge of the outer plate portion on the outside of the first side member and the second side member in the vehicle width direction.
  • the first side member has an outer surface in the vehicle width direction, and a side plate portion extending toward at least one of the outer surfaces of the second side member in the vehicle width direction. You may be.
  • the side plate portion the front side plate portion provided on the front side in the front-rear direction of the vehicle, the rear side plate portion provided on the rear side of the front side plate portion in the front-rear direction, and the height of the vehicle.
  • An upper plate portion provided on the upper side in the direction and a lower plate portion provided on the lower side of the upper plate portion in the height direction may be provided.
  • shock absorbing member which is provided inside the shock absorbing member and has a region extending at least in the vehicle width direction.
  • a shock absorbing material that is housed inside the shock absorbing member and absorbs the collision energy may be further provided.
  • the frame structure it is possible to improve the strength of the joints of a plurality of side members against a load from the outside in the vehicle width direction.
  • FIG. 1 shows the structure of the frame structure according to the present embodiment.
  • FIG. 2 is an enlarged view of the vicinity of the shock absorbing member in the frame structure.
  • FIG. 3 shows the structures of the shock absorbing member and the reinforcing member.
  • FIG. 4 shows the structures of the shock absorbing member, the reinforcing member, and the shock absorbing material.
  • FIG. 1 is a diagram showing a structure of a frame structure S according to the present embodiment.
  • the frame structure S is provided on the vehicle.
  • the frame structure S extends in the front-rear direction of the vehicle.
  • the frame structure S has a first side member 1, a second side member 2, a shock absorbing member 3, a fastening member 4, and a reinforcing member 5.
  • the first side member 1 extends in the front-rear direction of the vehicle.
  • the second side member 2 is provided behind the first side member 1 and extends in the front-rear direction of the vehicle.
  • the frame structure S has a first left side member 1L and a first right side member 1R as the first side member 1.
  • the first left side member 1L is provided on the left side of the vehicle.
  • the first right side member 1R is provided on the right side of the vehicle.
  • the frame structure S has a second left side member 2L and a second right side member 2R as the second side member 2.
  • the second left side member 2L is provided on the left side of the vehicle.
  • the second right side member 2R is provided on the right side of the vehicle.
  • the shock absorbing member 3 is provided on the outer surface of the joint between the first side member 1 and the second side member 2 in the vehicle width direction, and is deformed when colliding with an external object to obtain collision energy. To absorb.
  • the external object is, for example, a utility pole. Details of the shock absorbing member 3 will be described later.
  • the frame structure S can absorb the collision energy by deforming the shock absorbing member 3 when the shock absorbing member 3 collides with an external object. Therefore, in the frame structure S, the shock absorbing member 3 is formed into a joint portion between the first side member 1 and the second side member 2 by, for example, plastically deforming and absorbing the collision energy with an external object. The impact applied can be reduced. As a result, the frame structure S can improve the strength of the joint between the first side member 1 and the second side member 2 against a load from the outside in the vehicle width direction of the vehicle.
  • FIG. 2 is an enlarged view of the vicinity of the shock absorbing member 3 in the frame structure S.
  • FIG. 3 is a diagram showing the structures of the shock absorbing member 3 and the reinforcing member 5.
  • the shock absorbing member 3 has, for example, a hollow box shape.
  • the shock absorbing member 3 has an outer plate portion 31, a side plate portion 32, and a mounting portion 33.
  • the outer plate portion 31 is a portion extending in the front-rear direction of the vehicle on the outside of the first side member 1 and the second side member 2 in the vehicle width direction.
  • the side plate portion 32 is out of an outer surface of the first side member 1 in the vehicle width direction of the vehicle and an outer surface of the second side member 2 in the vehicle width direction from at least a part of the edge of the outer plate portion 31. It is a part extending toward at least one of the above.
  • the shock absorbing member 3 having the outer plate portion 31 and the side plate portion 32 is provided on the outer surface of the joint portion between the first side member 1 and the second side member 2 in the vehicle width direction.
  • the shock absorbing member 3 has a front side plate portion 321 as a side plate portion 32, a rear side plate portion 322, an upper plate portion 323, and a lower side plate portion 324.
  • the front plate portion 321 is provided on the front side in the front-rear direction of the vehicle.
  • the front plate portion 321 extends inward in the vehicle width direction from the front end of the outer plate portion 31.
  • the rear side plate portion 322 is provided on the rear side of the front side plate portion 321 in the front-rear direction of the vehicle.
  • the rear side plate portion 322 extends inward in the vehicle width direction of the vehicle from the rear end of the outer plate portion 31.
  • the upper plate portion 323 is provided on the upper side in the height direction of the vehicle.
  • the upper plate portion 323 extends inward in the vehicle width direction from the upper end of the outer plate portion 31.
  • the lower plate portion 324 is provided below the upper plate portion 323 in the height direction of the vehicle.
  • the lower plate portion 324 extends inward in the vehicle width direction from the lower end of the outer plate portion 31.
  • the shock absorbing member 3 having the front side plate portion 321 as the side plate portion 32, the rear side plate portion 322, the upper plate portion 323, and the lower side plate portion 324 is the first side member 1 and the second side member.
  • the mounting portion 33 is a portion for fixing the shock absorbing member 3 to the joint portion between the first side member 1 and the second side member 2.
  • the shock absorbing member 3 has a first mounting portion 331 and a second mounting portion 333 as the mounting portion 33.
  • the first mounting portion 331 extends from the inner end of the front plate portion 321 in the vehicle width direction toward the front in the front-rear direction of the vehicle.
  • the first mounting portion 331 has a first hole 332.
  • the first hole 332 is a hole into which the first fastening member 41 described later is inserted.
  • the second mounting portion 333 extends from the inner end portion of the rear side plate portion 322 in the vehicle width direction toward the rear in the front-rear direction of the vehicle.
  • the second mounting portion 333 has a second hole 334.
  • the second hole 334 is a hole into which the second fastening member 42, which will be described later, is inserted.
  • the fastening member 4 is a member for fixing the shock absorbing member 3 to the joint portion between the first side member 1 and the second side member 2.
  • the fastening member 4 is, for example, a bolt or a screw.
  • a first fastening member 41 and a second fastening member 42 are provided.
  • the shock absorbing member 3 is formed by inserting the first fastening member 41 into the first hole 332 of the first mounting portion 331 and the hole formed in the first side member 1 and tightening the first fastening member 41. , Is fixed to the first side member 1. Further, the shock absorbing member 3 inserts the second fastening member 42 into the second hole 334 of the second mounting portion 333 and the hole formed in the second side member 2 to tighten the second fastening member 42. As a result, it is fixed to the second side member 2.
  • the reinforcing member 5 is provided inside the shock absorbing member 3 and has a region extending at least in the vehicle width direction of the vehicle.
  • the region includes, for example, at least one of the inner side plate portion 52 and the fixing portion 53, which will be described later.
  • the reinforcing member 5 has an inner plate portion 51, an inner side plate portion 52, and a fixing portion 53.
  • the inner plate portion 51 is a portion extending in the front-rear direction of the vehicle inside the outer plate portion 31 in the vehicle width direction of the vehicle.
  • the inner side plate portion 52 is a portion extending in the vehicle width direction of the vehicle.
  • a front inner plate portion 521 and a rear inner plate portion 522 are provided as the inner side plate portion 52.
  • the front inner plate portion 521 is provided on the front side in the front-rear direction of the vehicle.
  • the front inner plate portion 521 extends inward in the vehicle width direction from the front end of the inner plate portion 51.
  • the rear inner plate portion 522 is provided on the rear side of the front inner plate portion 521 in the front-rear direction of the vehicle.
  • the rear inner plate portion 522 extends inward in the vehicle width direction from the rear end of the inner plate portion 51.
  • the fixing portion 53 is a portion for fixing the reinforcing member 5 to the shock absorbing member 3.
  • the reinforcing member 5 has a first fixing portion 531, a second fixing portion 532, a third fixing portion 533, and a fourth fixing portion 534 as the fixing portion 53.
  • the first fixing portion 531 extends rearward from the lower end of the front inner plate portion 521.
  • the second fixing portion 532 extends rearward from the upper end of the front inner plate portion 521.
  • the third fixing portion 533 extends forward from the lower end of the rear inner plate portion 522.
  • the fourth fixing portion 534 extends forward from the upper end of the rear inner plate portion 522.
  • the first fixing portion 531 and the third fixing portion 533 are welded to the upper surface of the lower plate portion 324, and the second fixing portion 532 and the fourth fixing portion 534 are formed on the lower surface of the upper plate portion 323. By being welded, it is fixed to the inner surface of the shock absorbing member 3.
  • FIG. 4 is a diagram showing the structures of the shock absorbing member 3, the reinforcing member 5, and the shock absorbing material 6.
  • the shock absorbing material 6 may be housed inside the shock absorbing member 3.
  • the shock absorbing material 6 is a member that absorbs collision energy by being deformed when colliding with an external object.
  • the shock absorbing material 6 is, for example, a foaming material.
  • the frame structure S according to the present embodiment is provided behind the first side member 1 extending in the front-rear direction of the vehicle and the first side member 1, and extends in the front-rear direction of the vehicle. It has a side member 2. Further, the frame structure S is provided on the outer surface of the joint portion between the first side member 1 and the second side member 2 in the vehicle width direction, and is deformed when colliding with an external object to cause a collision. It has a shock absorbing member 3 that absorbs energy.
  • the frame structure S can absorb the collision energy by deforming the shock absorbing member 3 when the shock absorbing member 3 collides with an external object. Therefore, in the frame structure S, the shock absorbing member 3 is formed into a joint portion between the first side member 1 and the second side member 2 by, for example, plastically deforming and absorbing the collision energy with an external object. The impact applied can be reduced. As a result, the frame structure S can improve the strength of the joint between the first side member 1 and the second side member 2 against a load from the outside in the vehicle width direction of the vehicle.
  • the frame structure it is useful in that it is possible to improve the strength of the joints of a plurality of side members against a load from the outside in the vehicle width direction.
  • S Frame structure 1, 1L, 1R ... First side member 2, 2L, 2R ... Second side member 3 ... Shock absorbing member 31 ... Outer plate portion 32 ... Side plate portion 321 ... Front side plate part 322 ... Rear side plate part 323 ... Upper plate part 324 ... Lower plate part 33 ... Mounting part 331 ... First mounting part 332 ... First hole 333 ... 2nd mounting portion 334 ... 2nd hole 4 ... Fastening member 41 ... 1st fastening member 42 ... 2nd fastening member 5 ... Reinforcing member 51 ... Inner plate Part 52 ... Inner side plate part 521 ... Front inner plate part 522 ... Rear inner plate part 53 ... Fixed part 531 ... First fixed part 532 ... Second fixed part 533 ... 3rd fixing part 534 ... 4th fixing part 6 ... Shock absorber

Abstract

A frame structure S includes a first side member 1 extending in the front-rear direction of a vehicle, a second side member 2 provided behind the first side member 1 and extending in the front-rear direction of the vehicle, and a shock absorbing member 3 that is provided on the outer surface of a joint between the first side member 1 and the second side member 2 in the vehicle width direction and absorbs collision energy by deforming at the time of collision with an external object.

Description

フレーム構造Frame structure
 本開示は、車両のフレーム構造に関する。 This disclosure relates to the frame structure of the vehicle.
 車両には、フレーム構造が設けられている。特許文献1には、左右一対の車体の前後方向に延びるサイドフレームが設けられ、サイドフレームが、フロントサイドフレームとミドルサイドフレームの端部同士を接合することで構成されている構造が開示されている。 The vehicle is equipped with a frame structure. Patent Document 1 discloses a structure in which a pair of left and right side frames extending in the front-rear direction are provided, and the side frames are formed by joining the ends of the front side frame and the middle side frame to each other. There is.
日本国特開2006-315473号公報Japanese Patent Application Laid-Open No. 2006-315473
 車両には、車両の前後方向において分割された複数のサイドメンバが結合しているフレーム構造が設けられている場合がある。この場合、車両の前後方向に対して分割されたサイドメンバの接合部では、接合部の車両の車幅方向における外側からの荷重に対する強度が不足するおそれがあるという問題が生じていた。 The vehicle may be provided with a frame structure in which a plurality of side members divided in the front-rear direction of the vehicle are connected. In this case, there is a problem that the joint portion of the side member divided in the front-rear direction of the vehicle may have insufficient strength against a load from the outside in the vehicle width direction of the joint portion.
 そこで、本開示はこれらの点に鑑みてなされたものであり、複数のサイドメンバの接合部の車両の車幅方向における外側からの荷重に対する強度を向上させることができるフレーム構造を提供することを目的とする。 Therefore, the present disclosure has been made in view of these points, and provides a frame structure capable of improving the strength of the joints of a plurality of side members against a load from the outside in the vehicle width direction of the vehicle. The purpose.
 本開示の第1の態様においては、車両の前後方向に延伸している第1サイドメンバと、前記第1サイドメンバの後方に設けられており、前記前後方向に延伸している第2サイドメンバと、前記第1サイドメンバと前記第2サイドメンバとの接合部の前記車両の車幅方向における外側の面に設けられており、外部の物体との衝突時に変形することで衝突エネルギーを吸収する衝撃吸収部材と、を有することを特徴とするフレーム構造を提供する。 In the first aspect of the present disclosure, a first side member extending in the front-rear direction of the vehicle and a second side member provided behind the first side member and extending in the front-rear direction. And, it is provided on the outer surface of the joint portion between the first side member and the second side member in the vehicle width direction of the vehicle, and absorbs collision energy by deforming when colliding with an external object. Provided is a frame structure characterized by having a shock absorbing member.
 また、前記衝撃吸収部材は、前記第1サイドメンバ及び前記第2サイドメンバの前記車幅方向における外側において、前記前後方向に延在する外側板部と、前記外側板部の少なくとも一部の縁から前記第1サイドメンバの前記車幅方向における外側の面、及び前記第2サイドメンバの前記車幅方向における外側の面のうちの少なくとも一方に向かって延伸している側板部と、を有していてもよい。 Further, the shock absorbing member includes an outer plate portion extending in the front-rear direction and at least a part of an edge of the outer plate portion on the outside of the first side member and the second side member in the vehicle width direction. The first side member has an outer surface in the vehicle width direction, and a side plate portion extending toward at least one of the outer surfaces of the second side member in the vehicle width direction. You may be.
 また、前記側板部として、前記車両の前後方向における前方側に設けられた前側板部と、前記前後方向において前記前側板部よりも後方側に設けられた後側板部と、前記車両の高さ方向における上方側に設けられた上側板部と、前記高さ方向において前記上側板部よりも下方側に設けられた下側板部と、が設けられていてもよい。 Further, as the side plate portion, the front side plate portion provided on the front side in the front-rear direction of the vehicle, the rear side plate portion provided on the rear side of the front side plate portion in the front-rear direction, and the height of the vehicle. An upper plate portion provided on the upper side in the direction and a lower plate portion provided on the lower side of the upper plate portion in the height direction may be provided.
 また、前記衝撃吸収部材の内側に設けられており、少なくとも前記車幅方向において延在する領域を有する補強部材をさらに有していてもよい。また、前記衝撃吸収部材の内側に収容されており、前記衝突エネルギーを吸収する衝撃吸収材をさらに有していてもよい。 Further, it may further have a reinforcing member which is provided inside the shock absorbing member and has a region extending at least in the vehicle width direction. Further, a shock absorbing material that is housed inside the shock absorbing member and absorbs the collision energy may be further provided.
 本開示によれば、フレーム構造において、複数のサイドメンバの接合部の車両の車幅方向における外側からの荷重に対する強度を向上させることができるという効果を奏する。 According to the present disclosure, in the frame structure, it is possible to improve the strength of the joints of a plurality of side members against a load from the outside in the vehicle width direction.
図1は、本実施形態に係るフレーム構造の構造を示す。FIG. 1 shows the structure of the frame structure according to the present embodiment. 図2は、フレーム構造における衝撃吸収部材付近の拡大図である。FIG. 2 is an enlarged view of the vicinity of the shock absorbing member in the frame structure. 図3は、衝撃吸収部材及び補強部材の構造を示す。FIG. 3 shows the structures of the shock absorbing member and the reinforcing member. 図4は、衝撃吸収部材、補強部材、及び衝撃吸収材の構造を示す。FIG. 4 shows the structures of the shock absorbing member, the reinforcing member, and the shock absorbing material.
[フレーム構造Sの構造]
 図1は、本実施形態に係るフレーム構造Sの構造を示す図である。
 フレーム構造Sは、車両に設けられている。フレーム構造Sは、車両の前後方向において延伸している。フレーム構造Sは、第1サイドメンバ1、第2サイドメンバ2、衝撃吸収部材3、締結部材4、及び補強部材5を有する。
[Structure of frame structure S]
FIG. 1 is a diagram showing a structure of a frame structure S according to the present embodiment.
The frame structure S is provided on the vehicle. The frame structure S extends in the front-rear direction of the vehicle. The frame structure S has a first side member 1, a second side member 2, a shock absorbing member 3, a fastening member 4, and a reinforcing member 5.
 第1サイドメンバ1は、車両の前後方向に延伸している。第2サイドメンバ2は、第1サイドメンバ1の後方に設けられており、車両の前後方向に延伸している。フレーム構造Sは、第1サイドメンバ1として、第1左サイドメンバ1L、及び第1右サイドメンバ1Rを有する。第1左サイドメンバ1Lは、車両の左側に設けられている。第1右サイドメンバ1Rは、車両の右側に設けられている。また、フレーム構造Sは、第2サイドメンバ2として、第2左サイドメンバ2L、及び第2右サイドメンバ2Rを有する。第2左サイドメンバ2Lは、車両の左側に設けられている。第2右サイドメンバ2Rは、車両の右側に設けられている。 The first side member 1 extends in the front-rear direction of the vehicle. The second side member 2 is provided behind the first side member 1 and extends in the front-rear direction of the vehicle. The frame structure S has a first left side member 1L and a first right side member 1R as the first side member 1. The first left side member 1L is provided on the left side of the vehicle. The first right side member 1R is provided on the right side of the vehicle. Further, the frame structure S has a second left side member 2L and a second right side member 2R as the second side member 2. The second left side member 2L is provided on the left side of the vehicle. The second right side member 2R is provided on the right side of the vehicle.
 衝撃吸収部材3は、第1サイドメンバ1と第2サイドメンバ2との接合部の車両の車幅方向における外側の面に設けられており、外部の物体との衝突時に変形することで衝突エネルギーを吸収する。外部の物体は、例えば、電柱である。衝撃吸収部材3の詳細は後述する。 The shock absorbing member 3 is provided on the outer surface of the joint between the first side member 1 and the second side member 2 in the vehicle width direction, and is deformed when colliding with an external object to obtain collision energy. To absorb. The external object is, for example, a utility pole. Details of the shock absorbing member 3 will be described later.
 フレーム構造Sは、このような衝撃吸収部材3を有することで、外部の物体に衝撃吸収部材3が衝突した場合に、衝撃吸収部材3が変形することで衝突エネルギーを吸収することができる。よって、フレーム構造Sは、このように衝撃吸収部材3が、例えば塑性変形して外部の物体との衝突エネルギーを吸収することで、第1サイドメンバ1と第2サイドメンバ2との接合部に加わる衝撃を低減させることができる。この結果、フレーム構造Sは、第1サイドメンバ1と第2サイドメンバ2との接合部の車両の車幅方向における外側からの荷重に対する強度を向上させることができる。 By having such a shock absorbing member 3, the frame structure S can absorb the collision energy by deforming the shock absorbing member 3 when the shock absorbing member 3 collides with an external object. Therefore, in the frame structure S, the shock absorbing member 3 is formed into a joint portion between the first side member 1 and the second side member 2 by, for example, plastically deforming and absorbing the collision energy with an external object. The impact applied can be reduced. As a result, the frame structure S can improve the strength of the joint between the first side member 1 and the second side member 2 against a load from the outside in the vehicle width direction of the vehicle.
[衝撃吸収部材3の構造]
 図2は、フレーム構造Sにおける衝撃吸収部材3付近の拡大図である。図3は、衝撃吸収部材3及び補強部材5の構造を示す図である。
[Structure of shock absorbing member 3]
FIG. 2 is an enlarged view of the vicinity of the shock absorbing member 3 in the frame structure S. FIG. 3 is a diagram showing the structures of the shock absorbing member 3 and the reinforcing member 5.
 衝撃吸収部材3は、例えば中空の箱形状である。衝撃吸収部材3は、外側板部31、側板部32、及び取付部33を有する。外側板部31は、第1サイドメンバ1及び第2サイドメンバ2の車両の車幅方向における外側において、車両の前後方向に延在する部位である。側板部32は、外側板部31の少なくとも一部の縁から第1サイドメンバ1の車両の車幅方向における外側の面、及び第2サイドメンバ2の車両の車幅方向における外側の面のうちの少なくとも一方に向かって延伸している部位である。 The shock absorbing member 3 has, for example, a hollow box shape. The shock absorbing member 3 has an outer plate portion 31, a side plate portion 32, and a mounting portion 33. The outer plate portion 31 is a portion extending in the front-rear direction of the vehicle on the outside of the first side member 1 and the second side member 2 in the vehicle width direction. The side plate portion 32 is out of an outer surface of the first side member 1 in the vehicle width direction of the vehicle and an outer surface of the second side member 2 in the vehicle width direction from at least a part of the edge of the outer plate portion 31. It is a part extending toward at least one of the above.
 フレーム構造Sは、このように外側板部31及び側板部32を有する衝撃吸収部材3が第1サイドメンバ1と第2サイドメンバ2との接合部の車両の車幅方向における外側の面に設けられていることで、外部の物体を当該接合部に衝突させづらくすると共に、車両の車幅方向における外側からの衝突に対して、衝突エネルギーを吸収し易くすることができる。 In the frame structure S, the shock absorbing member 3 having the outer plate portion 31 and the side plate portion 32 is provided on the outer surface of the joint portion between the first side member 1 and the second side member 2 in the vehicle width direction. By doing so, it is possible to make it difficult for an external object to collide with the joint portion and to easily absorb collision energy against a collision from the outside in the vehicle width direction of the vehicle.
 衝撃吸収部材3は、側板部32として、前側板部321、後側板部322、上側板部323、及び下側板部324を有する。前側板部321は、車両の前後方向における前方側に設けられている。前側板部321は、外側板部31の前端から車両の車幅方向における内側に向かって延伸している。後側板部322は、車両の前後方向において前側板部321よりも後方側に設けられている。後側板部322は、外側板部31の後端から車両の車幅方向における内側に向かって延伸している。 The shock absorbing member 3 has a front side plate portion 321 as a side plate portion 32, a rear side plate portion 322, an upper plate portion 323, and a lower side plate portion 324. The front plate portion 321 is provided on the front side in the front-rear direction of the vehicle. The front plate portion 321 extends inward in the vehicle width direction from the front end of the outer plate portion 31. The rear side plate portion 322 is provided on the rear side of the front side plate portion 321 in the front-rear direction of the vehicle. The rear side plate portion 322 extends inward in the vehicle width direction of the vehicle from the rear end of the outer plate portion 31.
 上側板部323は、車両の高さ方向における上方側に設けられている。上側板部323は、外側板部31の上端から車両の車幅方向における内側に向かって延伸している。下側板部324は、車両の高さ方向において上側板部323よりも下方側に設けられている。下側板部324は、外側板部31の下端から車両の車幅方向における内側に向かって延伸している。 The upper plate portion 323 is provided on the upper side in the height direction of the vehicle. The upper plate portion 323 extends inward in the vehicle width direction from the upper end of the outer plate portion 31. The lower plate portion 324 is provided below the upper plate portion 323 in the height direction of the vehicle. The lower plate portion 324 extends inward in the vehicle width direction from the lower end of the outer plate portion 31.
 フレーム構造Sは、このように側板部32として、前側板部321、後側板部322、上側板部323、及び下側板部324を有する衝撃吸収部材3が第1サイドメンバ1と第2サイドメンバ2との接合部の車両の車幅方向における外側の面に設けられていることで、外部の物体との衝突時に衝撃吸収部材3を介して当該接合部に加わる力を分散させ易くすることができる。 In the frame structure S, the shock absorbing member 3 having the front side plate portion 321 as the side plate portion 32, the rear side plate portion 322, the upper plate portion 323, and the lower side plate portion 324 is the first side member 1 and the second side member. By providing the joint with 2 on the outer surface of the vehicle in the vehicle width direction, it is possible to easily disperse the force applied to the joint via the shock absorbing member 3 when colliding with an external object. it can.
 取付部33は、衝撃吸収部材3を第1サイドメンバ1と第2サイドメンバ2との接合部に固定するための部位である。衝撃吸収部材3は、取付部33として、第1取付部331、及び第2取付部333を有する。第1取付部331は、前側板部321の車両の車幅方向における内側の端部から車両の前後方向における前方に向かって延伸している。第1取付部331は、第1の穴332を有する。第1の穴332は、後述する第1締結部材41が挿入されている穴である。 The mounting portion 33 is a portion for fixing the shock absorbing member 3 to the joint portion between the first side member 1 and the second side member 2. The shock absorbing member 3 has a first mounting portion 331 and a second mounting portion 333 as the mounting portion 33. The first mounting portion 331 extends from the inner end of the front plate portion 321 in the vehicle width direction toward the front in the front-rear direction of the vehicle. The first mounting portion 331 has a first hole 332. The first hole 332 is a hole into which the first fastening member 41 described later is inserted.
 第2取付部333は、後側板部322の車両の車幅方向における内側の端部から車両の前後方向における後方に向かって延伸している。第2取付部333は、第2の穴334を有する。第2の穴334は、後述する第2締結部材42が挿入されている穴である。 The second mounting portion 333 extends from the inner end portion of the rear side plate portion 322 in the vehicle width direction toward the rear in the front-rear direction of the vehicle. The second mounting portion 333 has a second hole 334. The second hole 334 is a hole into which the second fastening member 42, which will be described later, is inserted.
 締結部材4は、衝撃吸収部材3を第1サイドメンバ1と第2サイドメンバ2との接合部に固定するための部材である。締結部材4は、例えば、ボルト又はねじである。締結部材4として、第1締結部材41、及び第2締結部材42が設けられている。 The fastening member 4 is a member for fixing the shock absorbing member 3 to the joint portion between the first side member 1 and the second side member 2. The fastening member 4 is, for example, a bolt or a screw. As the fastening member 4, a first fastening member 41 and a second fastening member 42 are provided.
 衝撃吸収部材3は、第1取付部331の第1の穴332と、第1サイドメンバ1に形成されている穴とに第1締結部材41を挿入して第1締結部材41を締め付けることで、第1サイドメンバ1に固定されている。また、衝撃吸収部材3は、第2取付部333の第2の穴334と、第2サイドメンバ2に形成されている穴とに第2締結部材42を挿入して第2締結部材42を締め付けることで、第2サイドメンバ2に固定されている。 The shock absorbing member 3 is formed by inserting the first fastening member 41 into the first hole 332 of the first mounting portion 331 and the hole formed in the first side member 1 and tightening the first fastening member 41. , Is fixed to the first side member 1. Further, the shock absorbing member 3 inserts the second fastening member 42 into the second hole 334 of the second mounting portion 333 and the hole formed in the second side member 2 to tighten the second fastening member 42. As a result, it is fixed to the second side member 2.
 補強部材5は、衝撃吸収部材3の内側に設けられており、少なくとも車両の車幅方向において延在する領域を有する。当該領域は、例えば、後述する内側側板部52及び固定部53のうちの少なくとも一方を含む。フレーム構造Sは、このような補強部材5を有することで、第1サイドメンバ1と第2サイドメンバ2との接合部の車両の車幅方向における外側からの荷重に対する強度をさらに向上させることができる。 The reinforcing member 5 is provided inside the shock absorbing member 3 and has a region extending at least in the vehicle width direction of the vehicle. The region includes, for example, at least one of the inner side plate portion 52 and the fixing portion 53, which will be described later. By having such a reinforcing member 5, the frame structure S can further improve the strength of the joint between the first side member 1 and the second side member 2 against a load from the outside in the vehicle width direction of the vehicle. it can.
 具体的には、補強部材5は、内側板部51、内側側板部52、及び固定部53を有する。内側板部51は、外側板部31の車両の車幅方向における内側において、車両の前後方向に延在する部位である。内側側板部52は、車両の車幅方向において延在する部位である。内側側板部52として、前内側板部521、及び後内側板部522が設けられている。前内側板部521は、車両の前後方向における前方側に設けられている。前内側板部521は、内側板部51の前端から車両の車幅方向における内側に向かって延伸している。後内側板部522は、車両の前後方向において前内側板部521よりも後方側に設けられている。後内側板部522は、内側板部51の後端から車両の車幅方向における内側に向かって延伸している。 Specifically, the reinforcing member 5 has an inner plate portion 51, an inner side plate portion 52, and a fixing portion 53. The inner plate portion 51 is a portion extending in the front-rear direction of the vehicle inside the outer plate portion 31 in the vehicle width direction of the vehicle. The inner side plate portion 52 is a portion extending in the vehicle width direction of the vehicle. As the inner side plate portion 52, a front inner plate portion 521 and a rear inner plate portion 522 are provided. The front inner plate portion 521 is provided on the front side in the front-rear direction of the vehicle. The front inner plate portion 521 extends inward in the vehicle width direction from the front end of the inner plate portion 51. The rear inner plate portion 522 is provided on the rear side of the front inner plate portion 521 in the front-rear direction of the vehicle. The rear inner plate portion 522 extends inward in the vehicle width direction from the rear end of the inner plate portion 51.
 固定部53は、補強部材5を衝撃吸収部材3に固定するための部位である。補強部材5は、固定部53として、第1固定部531、第2固定部532、第3固定部533、及び第4固定部534を有する。第1固定部531は、前内側板部521の下端から後方に向かって延伸している。第2固定部532は、前内側板部521の上端から後方に向かって延伸している。第3固定部533は、後内側板部522の下端から前方に向かって延伸している。第4固定部534は、後内側板部522の上端から前方に向かって延伸している。 The fixing portion 53 is a portion for fixing the reinforcing member 5 to the shock absorbing member 3. The reinforcing member 5 has a first fixing portion 531, a second fixing portion 532, a third fixing portion 533, and a fourth fixing portion 534 as the fixing portion 53. The first fixing portion 531 extends rearward from the lower end of the front inner plate portion 521. The second fixing portion 532 extends rearward from the upper end of the front inner plate portion 521. The third fixing portion 533 extends forward from the lower end of the rear inner plate portion 522. The fourth fixing portion 534 extends forward from the upper end of the rear inner plate portion 522.
 補強部材5は、第1固定部531及び第3固定部533が、下側板部324の上面に溶接されており、第2固定部532及び第4固定部534が、上側板部323の下面に溶接されていることで、衝撃吸収部材3の内側の面に固定されている。 In the reinforcing member 5, the first fixing portion 531 and the third fixing portion 533 are welded to the upper surface of the lower plate portion 324, and the second fixing portion 532 and the fourth fixing portion 534 are formed on the lower surface of the upper plate portion 323. By being welded, it is fixed to the inner surface of the shock absorbing member 3.
 [変形例]
 図4は、衝撃吸収部材3、補強部材5、及び衝撃吸収材6の構造を示す図である。
 上記実施形態では、衝撃吸収部材3の内側に、補強部材5が設けられている例を示したが、これに限定されない。衝撃吸収部材3の内側には、衝撃吸収材6が収容されていてもよい。衝撃吸収材6は、外部の物体との衝突時に変形することで衝突エネルギーを吸収する部材である。衝撃吸収材6は、例えば発泡材である。
[Modification example]
FIG. 4 is a diagram showing the structures of the shock absorbing member 3, the reinforcing member 5, and the shock absorbing material 6.
In the above embodiment, an example in which the reinforcing member 5 is provided inside the shock absorbing member 3 is shown, but the present invention is not limited to this. The shock absorbing material 6 may be housed inside the shock absorbing member 3. The shock absorbing material 6 is a member that absorbs collision energy by being deformed when colliding with an external object. The shock absorbing material 6 is, for example, a foaming material.
[本実施形態に係るフレーム構造Sによる効果]
 本実施形態に係るフレーム構造Sは、車両の前後方向に延伸している第1サイドメンバ1と、第1サイドメンバ1の後方に設けられており、車両の前後方向に延伸している第2サイドメンバ2と、を有する。また、フレーム構造Sは、第1サイドメンバ1と第2サイドメンバ2との接合部の車両の車幅方向における外側の面に設けられており、外部の物体との衝突時に変形することで衝突エネルギーを吸収する衝撃吸収部材3を有する。
[Effect of frame structure S according to this embodiment]
The frame structure S according to the present embodiment is provided behind the first side member 1 extending in the front-rear direction of the vehicle and the first side member 1, and extends in the front-rear direction of the vehicle. It has a side member 2. Further, the frame structure S is provided on the outer surface of the joint portion between the first side member 1 and the second side member 2 in the vehicle width direction, and is deformed when colliding with an external object to cause a collision. It has a shock absorbing member 3 that absorbs energy.
 フレーム構造Sは、このような衝撃吸収部材3を有することで、外部の物体に衝撃吸収部材3が衝突した場合に、衝撃吸収部材3が変形することで衝突エネルギーを吸収することができる。よって、フレーム構造Sは、このように衝撃吸収部材3が、例えば塑性変形して外部の物体との衝突エネルギーを吸収することで、第1サイドメンバ1と第2サイドメンバ2との接合部に加わる衝撃を低減させることができる。この結果、フレーム構造Sは、第1サイドメンバ1と第2サイドメンバ2との接合部の車両の車幅方向における外側からの荷重に対する強度を向上させることができる。 By having such a shock absorbing member 3, the frame structure S can absorb the collision energy by deforming the shock absorbing member 3 when the shock absorbing member 3 collides with an external object. Therefore, in the frame structure S, the shock absorbing member 3 is formed into a joint portion between the first side member 1 and the second side member 2 by, for example, plastically deforming and absorbing the collision energy with an external object. The impact applied can be reduced. As a result, the frame structure S can improve the strength of the joint between the first side member 1 and the second side member 2 against a load from the outside in the vehicle width direction of the vehicle.
 以上、本開示を実施の形態を用いて説明したが、本開示の技術的範囲は上記実施の形態に記載の範囲には限定されず、その要旨の範囲内で種々の変形及び変更が可能である。例えば、装置の全部又は一部は、任意の単位で機能的又は物理的に分散・統合して構成することができる。また、複数の実施の形態の任意の組み合わせによって生じる新たな実施の形態も、本開示の実施の形態に含まれる。組み合わせによって生じる新たな実施の形態の効果は、もとの実施の形態の効果を併せ持つ。 Although the present disclosure has been described above using the embodiments, the technical scope of the present disclosure is not limited to the scope described in the above embodiments, and various modifications and changes can be made within the scope of the gist. is there. For example, all or a part of the device can be functionally or physically distributed / integrated in any unit. Also included in the embodiments of the present disclosure are new embodiments resulting from any combination of the plurality of embodiments. The effect of the new embodiment produced by the combination has the effect of the original embodiment.
 本出願は、2019年06月21日付で出願された日本国特許出願(特願2019-115180)に基づくものであり、その内容はここに参照として取り込まれる。 This application is based on a Japanese patent application (Japanese Patent Application No. 2019-115180) filed on June 21, 2019, the contents of which are incorporated herein by reference.
 本開示によれば、フレーム構造において、複数のサイドメンバの接合部の車両の車幅方向における外側からの荷重に対する強度を向上させることができる点において有用である。 According to the present disclosure, in the frame structure, it is useful in that it is possible to improve the strength of the joints of a plurality of side members against a load from the outside in the vehicle width direction.
S・・・フレーム構造
1、1L、1R・・・第1サイドメンバ
2、2L、2R・・・第2サイドメンバ
3・・・衝撃吸収部材
31・・・外側板部
32・・・側板部
321・・・前側板部
322・・・後側板部
323・・・上側板部
324・・・下側板部
33・・・取付部
331・・・第1取付部
332・・・第1の穴
333・・・第2取付部
334・・・第2の穴
4・・・締結部材
41・・・第1締結部材
42・・・第2締結部材
5・・・補強部材
51・・・内側板部
52・・・内側側板部
521・・・前内側板部
522・・・後内側板部
53・・・固定部
531・・・第1固定部
532・・・第2固定部
533・・・第3固定部
534・・・第4固定部
6・・・衝撃吸収材
S ... Frame structure 1, 1L, 1R ... First side member 2, 2L, 2R ... Second side member 3 ... Shock absorbing member 31 ... Outer plate portion 32 ... Side plate portion 321 ... Front side plate part 322 ... Rear side plate part 323 ... Upper plate part 324 ... Lower plate part 33 ... Mounting part 331 ... First mounting part 332 ... First hole 333 ... 2nd mounting portion 334 ... 2nd hole 4 ... Fastening member 41 ... 1st fastening member 42 ... 2nd fastening member 5 ... Reinforcing member 51 ... Inner plate Part 52 ... Inner side plate part 521 ... Front inner plate part 522 ... Rear inner plate part 53 ... Fixed part 531 ... First fixed part 532 ... Second fixed part 533 ... 3rd fixing part 534 ... 4th fixing part 6 ... Shock absorber

Claims (5)

  1.  車両の前後方向に延伸している第1サイドメンバと、
     前記第1サイドメンバの後方に設けられており、前記前後方向に延伸している第2サイドメンバと、
     前記第1サイドメンバと前記第2サイドメンバとの接合部の前記車両の車幅方向における外側の面に設けられており、外部の物体との衝突時に変形することで衝突エネルギーを吸収する衝撃吸収部材と、
     を有することを特徴とするフレーム構造。
    With the first side member extending in the front-rear direction of the vehicle,
    The second side member, which is provided behind the first side member and extends in the front-rear direction,
    Impact absorption that is provided on the outer surface of the joint between the first side member and the second side member in the vehicle width direction and absorbs collision energy by deforming when colliding with an external object. Members and
    A frame structure characterized by having.
  2.  前記衝撃吸収部材は、
     前記第1サイドメンバ及び前記第2サイドメンバの前記車幅方向における外側において、前記前後方向に延在する外側板部と、
     前記外側板部の少なくとも一部の縁から前記第1サイドメンバの前記車幅方向における外側の面、及び前記第2サイドメンバの前記車幅方向における外側の面のうちの少なくとも一方に向かって延伸している側板部と、
     を有することを特徴とする、
     請求項1に記載のフレーム構造。
    The shock absorbing member is
    On the outside of the first side member and the second side member in the vehicle width direction, the outer plate portion extending in the front-rear direction and the outer plate portion.
    Extending from at least a part of the edge of the outer plate portion toward at least one of the outer surface of the first side member in the vehicle width direction and the outer surface of the second side member in the vehicle width direction. With the side plate part
    Characterized by having
    The frame structure according to claim 1.
  3.  前記側板部として、
     前記車両の前後方向における前方側に設けられた前側板部と、
     前記前後方向において前記前側板部よりも後方側に設けられた後側板部と、
     前記車両の高さ方向における上方側に設けられた上側板部と、
     前記高さ方向において前記上側板部よりも下方側に設けられた下側板部と、
     が設けられていることを特徴とする、
     請求項2に記載のフレーム構造。
    As the side plate part
    A front plate portion provided on the front side in the front-rear direction of the vehicle and
    A rear plate portion provided on the rear side of the front plate portion in the front-rear direction, and a rear plate portion.
    An upper plate portion provided on the upper side in the height direction of the vehicle and
    A lower plate portion provided below the upper plate portion in the height direction, and a lower plate portion.
    Is provided,
    The frame structure according to claim 2.
  4.  前記衝撃吸収部材の内側に設けられており、少なくとも前記車幅方向において延在する領域を有する補強部材をさらに有することを特徴とする、
     請求項1から3のいずれか一項に記載のフレーム構造。
    It is characterized by further having a reinforcing member provided inside the shock absorbing member and having a region extending at least in the vehicle width direction.
    The frame structure according to any one of claims 1 to 3.
  5.  前記衝撃吸収部材の内側に収容されており、前記衝突エネルギーを吸収する衝撃吸収材をさらに有することを特徴とする、
     請求項1から4のいずれか一項に記載のフレーム構造。
    It is housed inside the shock absorbing member, and further has a shock absorbing material that absorbs the collision energy.
    The frame structure according to any one of claims 1 to 4.
PCT/JP2020/023884 2019-06-21 2020-06-18 Frame structure WO2020256042A1 (en)

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JP2019115180A JP2021000897A (en) 2019-06-21 2019-06-21 Frame structure

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07187003A (en) * 1993-12-27 1995-07-25 Nissan Motor Co Ltd Body front structure for automobile
JP2013141936A (en) * 2012-01-12 2013-07-22 Toyota Auto Body Co Ltd Impact absorbing structure for vehicle
JP2014240231A (en) * 2013-06-11 2014-12-25 トヨタ自動車株式会社 Vehicle body front structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07187003A (en) * 1993-12-27 1995-07-25 Nissan Motor Co Ltd Body front structure for automobile
JP2013141936A (en) * 2012-01-12 2013-07-22 Toyota Auto Body Co Ltd Impact absorbing structure for vehicle
JP2014240231A (en) * 2013-06-11 2014-12-25 トヨタ自動車株式会社 Vehicle body front structure

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