WO2005082698A1 - 車両の前部構造 - Google Patents
車両の前部構造 Download PDFInfo
- Publication number
- WO2005082698A1 WO2005082698A1 PCT/JP2005/002907 JP2005002907W WO2005082698A1 WO 2005082698 A1 WO2005082698 A1 WO 2005082698A1 JP 2005002907 W JP2005002907 W JP 2005002907W WO 2005082698 A1 WO2005082698 A1 WO 2005082698A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- connecting member
- side member
- vehicle
- cross
- cross member
- Prior art date
Links
Classifications
-
- 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
-
- 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
Definitions
- the present invention relates to a vehicle front structure in vehicles such as passenger cars, commercial vehicles, trucks and buses.
- a skeletal member (16 in FIGS. 1 and 2 of Patent Document 1) extends obliquely downward and forward from the lower part of the A pillar (14 in FIGS. 1 and 2 of Patent Document 1).
- the side member and the skeleton member are connected via a connecting member (17, 18, 21 in FIGS. 1 and 2 of Patent Document 1).
- Patent Document 1 JP-A-2003-40142 (FIGS. 1 and 2)
- the collision energy is generally absorbed by the side members being destroyed during a collision from the front, and the collision energy is concentrated on the side members. Tend. In this case, there is a limit to the absorption of the collision energy by the side members, so it is necessary to make the structure so that the collision energy is not concentrated on the side members as much as possible.
- Patent Document 1 apart from the side members (12 in FIGS. 1 and 2 of Patent Document 1), a skeletal member (16 in FIGS. 1 and 2 of Patent Document 1) is provided.
- the collision energy is applied not only to the side members but also to the skeletal members.
- the side members and the skeletal member are located away from each other, There is room for improvement in that the energy is applied to the skeletal members instead of the strength if the side members are strong.
- An object of the present invention is to provide a front structure of a vehicle that can avoid a state in which energy of a collision is intensively applied to a side member at the time of a frontal collision.
- the purpose is to prevent the energy of the collision from being concentrated on another vehicle part in the event of a frontal collision.
- a first characteristic configuration of the present invention resides in that a front structure of a vehicle is configured as follows.
- the vehicle includes a side member disposed on the right and left sides of the front part of the vehicle body along the front-rear direction of the vehicle body, and a cross member disposed on the front part of the vehicle body along the left-right direction of the vehicle body.
- An apron section that forms a front wheel tire house above the side members, and a connecting member that is connected to the apron section and extends downward.
- the front of the side member is connected so that the front of the front of the side member, the front of the side of the cross member, and the front of the lower part of the connecting member are connected to each other at approximately the same position in the vehicle longitudinal direction and are substantially flush Part and cross member
- the one side part and the lower part of the connecting member are connected to each other.
- the front part of the side member, the lateral part of the cross member, and the lower part of the connecting member are connected to each other, and the front part of the front part of the side member and the lateral part of the cross member are connected.
- the front part and the front part of the lower part of the connecting member are connected to each other at substantially the same position in the longitudinal direction of the vehicle body so as to be substantially flush with each other, so that the front part of the front part of the side member and the lateral part of the cross member And the front of the lower part of the connecting member form a relatively wide and large receiving surface.
- the collision energy is applied to the front front surface of the side member, the front surface of the lateral portion of the cross member, and the front surface of the lower portion of the connecting member at substantially the same moment.
- they can be spread over a relatively wide range. Therefore, the energy of the collision can be distributed and applied to the cross member and the left and right connecting members which are not powered by the side members. As a result, the energy of the collision is concentrated on the side members Can be avoided, and the function of absorbing collision energy can be enhanced.
- the energy of the collision is applied to each portion of the connecting member.
- the collision energy can also be applied to the apron section via the connecting member 1, so that the collision energy can be absorbed also in the apron section.
- the front surface of the front portion of the side member, the front surface of the lateral portion of the cross member, and the front surface of the lower portion of the connecting member form a receiving surface having a relatively large area.
- the energy of the collision is applied to another vehicle via the receiving surface having a large area and the area described above, and the energy of the collision can be dispersed.
- the energy of the collision is concentrated on the part of another vehicle from the front of the side member, so that the side member can be prevented from entering the part of another vehicle.
- a second characteristic configuration of the present invention is that, in the front structure of the vehicle, a concave portion is formed in the front portion of the side member or the lateral portion of the cross member so that the lateral portion of the cross member is formed in the concave portion in the front portion of the side member.
- Part or the front part of the side member is inserted into the concave part of the side part of the cross member so that the front part of the side member and the side part of the cross member partially overlap in front view. It connects the front of the member and the side of the cross member.
- the front portion of the side member and the lateral portion of the cross member are connected so as to enter the recess, the front portion of the side member and the lateral portion of the cross member are connected. Are firmly connected to each other. Therefore, in the event of a collision from the front, the energy of the collision can be reliably applied to the left and right side members and the cross member. Therefore, the function of absorbing collision energy can be enhanced.
- a third characteristic configuration of the present invention is that, in the front structure of the vehicle, a concave portion is formed in a front portion of the side member or a lower portion of the connecting member, so that a lower portion of the connecting member is formed in the concave portion of the front portion of the side member.
- the front of the side member and the lower part of the connecting member in front view. The point is to connect the front part of the side member and the lower part of the connecting member so that they overlap.
- the front part of the side member and the lower part of the connecting member are connected so as to enter the concave part, the front part of the side member and the lower part of the connecting member are connected. They are firmly connected to each other. For this reason, in the event of a collision from the front, the energy of the collision is reduced by the left and right side members and the left and right connecting members with respect to the front front of the side members, the front side of the cross member, and the front of the lower portion of the connecting member. To ensure that it is engaged. Therefore, the ability to absorb the energy of the collision can be increased.
- a fourth characteristic configuration of the present invention is that the convex portion for determining the connecting position of the cross member and the connecting member with respect to the side member and for maintaining the flatness of the same surface, A connecting member having a mounting plane is mounted on the front front surface of the side member.
- a convex portion for determining the position of the cross member and the connecting member with respect to the side member and maintaining the flatness of the same surface, and a mounting surface to the side member. Is attached to the front surface of the front side of the side member. Thereby, at the time of connection, positioning of the cross member 1 and the connection member with respect to the side member is ensured. As a result, the cross member and the connecting member can be securely attached to the side members at predetermined positions, so that the members can be firmly connected.
- the energy of the collision is applied to the front of the front of the side member, the front of the side of the cross member, and the front of the lower part of the connecting member at about the same moment and relatively wide. Since it can be spread over the range, the function of absorbing collision energy can be enhanced.
- At least any two members of the side member, the cross member, and the connection member are bolted together, and a head portion of the bolt is retreated toward the side member from the same surface. On the point.
- the fifth characteristic configuration of the present invention at least any two members of the side member, the cross member, and the connecting member are connected by bolts. Therefore, with the side members The cross member and the connecting member are firmly connected, and the energy of the collision can be reliably applied to the left and right side members, the cross member, and the left and right connecting members. Also, since the head portion of the bolt is retracted closer to the side member than the same surface, the head portion of the bolt is not particularly connected to the connecting portion by protruding, so it is concentrated on a part of the connecting portion. As a result, the energy of the collision will not be strong. As a result, the function of absorbing collision energy can be further enhanced.
- side members 1 are arranged in the front-rear direction on the right and left sides of the lower front part of the vehicle body (right and left sides of the engine room).
- the side member 1 is constituted by a channel-shaped first member 2 opened upward and a flat plate-shaped second member 3, and the flange portion 2a of the first member 2
- the flange part 3a of the two members 3 is connected by welding.
- an apron portion 5 forming a tire house of the front wheel 4 is disposed above the side member 1, and a rear portion of the apron portion 5 is connected to the A pillar 6,
- the flanges 2a, 3a on the outer side of the side member 1 (first and second members 2, 3) and the lower part of the apron 5 are connected by welding.
- a plate-like substrate member 7 is prepared.
- the right and left outer portions of the substrate member 7 are bent to form a flange portion 7a, two openings 7b are formed in the substrate member 7, and a nut 7c is fixed by welding to a portion on the back side of the opening 7b.
- the board member 7 configured as described above is inserted into the front opening of the side member 1, and the side member 1 (first member 2) and the flange portion 7a of the board member 7 are welded. Connected.
- the connecting member 8 includes a first member 9 having a flat plate shape and a second member 10 having a convex portion 10b, and an outer peripheral portion of the first member 9 and a flange portion 10a of the second member 10 are welded to each other. Are linked. Two openings 9a are formed in the first member 9, and two openings 10c larger than the opening 9a are formed in a portion of the convex portion 10b of the second member 10 facing the opening 9a. One opening 10d is formed in the outer peripheral portion of the first member 9 and the flange portion 10a of the second member 10.
- the connecting member 8 configured as described above is applied to the front part (the board member 7) of the side member 1, and the bolt 11 is connected to the openings 10c, 9a of the connecting member 8 (the first and second members 9, 10) and the board.
- the connecting member 8 is inserted into the opening 7b and the nut 7c of the member 7, and is connected to the front portion (the substrate member 7) of the side member 1 by the bonolet 11.
- a cross member 12 is disposed along the vehicle body left-right direction at the front of the vehicle body.
- the cross member 12 includes a channel-shaped first member 13 (rear side of the vehicle body) opened forward and a channel-shaped second member 14 (front side of the vehicle body) opened rearward.
- the first and second members 13, 14 are combined and connected by welding.
- One opening (not shown) is formed in the lateral part of the first member 13, and a part of the lateral part of the second member 14 facing the opening of the first member 13 is formed by the opening of the first member 13.
- One large opening 14a is formed.
- a connecting member 15 is provided.
- the connecting member 15 is composed of a channel-shaped first member 16 opened backward and a plate-shaped second member 17, and as shown in FIG. 3 and FIG.
- the flange portion 16a of the member 16 and the outer peripheral portion of the second member 17 are connected by welding.
- FIGS. 3 and 7 (b) the lower inner surface portion and the flange portion 16a of the first member 16 and the lower flange portion 17a of the second member 17 are connected by welding.
- a stepped recess 16b is formed in the lower portion of the first member 16, an opening 16c is formed in the recess 16b, and a nut 16d is provided in a portion on the back side of the opening 16c. It is fixed by welding.
- an opening 16e is formed at the lower portion of the flange 16a of the B-material 16, and a nut 16f is fixed to a portion on the back side of the opening 16e by welding.
- the front part of the apron part 5 and the flange part 17b of the connecting member 15 (second member 17) are connected by welding.
- a step-shaped concave portion 10e (in front of the side member 1) is formed below the convex portion 10b of the connecting member 8 (second member 10).
- the lateral portion of the cross member 12 is inserted into the concave portion 10e of the connecting member 8 (the second member 10), and the front portion of the side member 1 (the connecting member 8) and the cross member are formed.
- 12 First and second members 13, 1 The side part of 4) is connected by welding.
- the lateral portion of the cross member 12 is inserted into the recess 16b of the connecting member 15 (first member 16), and the bolt 11 is connected to the cross member 12 ( It is inserted into the opening 14a of the first and second members 13, 14), the opening 16c of the connecting member 15 (first member 16) and the nut 16d, and the lateral portion of the cross member 12 (first member 13). And the lower part of the connecting member 15 (first member 16) are connected by the bolt 11.
- the opening 10d of the connecting member 8 (the outer peripheral portion of the first member 9 and the flange portion 10a of the second member 10) and the connecting member 15 (the first member The opening 16e of the flange portion 16a) and the nut 16f are aligned with each other, and the bolt 11 is inserted.
- the front portion of the side member 1 (the outer peripheral portion of the first member 9 of the connecting member 8 and the second member 10) Of the connecting member 15 (the flange 16a of the first member 16) is connected by bolts 11.
- the front surface of the front portion of the side member 1 (the convex portion 10b of the second member 10 of the connecting member 8) and the connecting member 15
- the front surface of the lower portion of the (first member 16) and the front surface of the lateral portion of the cross member 12 (second member 14) are connected to each other at substantially the same position in the vehicle longitudinal direction and are substantially flush with each other.
- the collision energy is distributed and applied to each part of the connection member 15, the collision energy is also applied to the apron unit 5 via the connection member 15, As shown in FIGS. 1 and 4, the apron 5 extends from the apron 5 to the reinforcing frame 19 fixed inside the A-pillar 6, the door 18, and the door 18 along the vehicle longitudinal direction. Therefore, the energy of the collision is absorbed by the side member 1, the cross member 12, the connecting member 15, the apron 5, the A-pillar 6, the door 18, the reinforcing frame 19 and the like. [0031] In the structure shown in FIGS. 1 to 7 (a) and (b) described above, it may be configured as described in the following [1] to [6].
- a concave portion (not shown) is provided in the lateral portion of the cross member 12, and the front portion (the connecting member 8) of the side member 1 is inserted into the concave portion so that the front portion (the connecting member 8) of the side member 1 is formed.
- the cross member 12 is connected to the lateral part by welding or bolts 11.
- a concave portion (not shown) is provided on both the front portion (the connecting member 8) of the side member 1 and the lateral portion of the cross member 12, and these concave portions are fitted to each other to form the front portion (the connecting portion) of the side member 1.
- the member 8) and the side of the cross member 12 are connected by welding or bolts 11.
- a concave portion (not shown) is provided in the lateral portion of the cross member 12, and the lower portion of the connecting member 15 is inserted into the concave portion, and the lateral portion of the cross member 12 and the lower portion of the connecting member 15 are welded or bolted. Connected by 11.
- a concave portion (not shown) is provided on both the lateral portion of the cross member 12 and the lower portion of the connecting member 15, and these concave portions are fitted to each other to form a lateral portion of the cross member 12 and a lower portion of the connecting member 15. And are connected by welding or bolts 11.
- FIGS. 8 (a) and 8 (b) a configuration shown in FIGS. 8 (a) and 8 (b) may be adopted.
- a concave portion 8a is provided in the lower portion and the outer portion of the front portion (connecting member 8) of the side member 1, and a concave portion 12a is provided in a lateral portion of the cross member 12, and the connecting member is provided.
- a recess 15a is provided in the lower part of 15. Insert the horizontal part of the cross member 12 into the recess 8a below the front part of the side member 1 (connecting member 8), and weld the front part of the side member 1 (connecting member 8) and the horizontal part of the cross member 12. Or connect with bolts. Insert the lower part of the connecting member 15 into the recess 8a on the outside of the front part (connecting member 8) of the side member 1, 11.
- a concave portion (not shown) is provided in a lateral portion of the cross member 12, and the front portion (the connecting member 8) of the side member 1 is inserted into the concave portion to form the side member.
- the front part of the member 1 (the connecting member 8) and the lateral part of the cross member 12 may be connected by welding or bolts.
- a concave portion (not shown) is provided on both the lower portion of the front portion (the connecting member 8) of the side member 1 and the lateral portion of the cross member 12, and these concave portions are fitted to each other to form
- the portion (the connecting member 8) and the lateral portion of the cross member 12 may be connected by welding or bolts.
- a concave portion (not shown) is provided at a lower portion of the connecting member 15, and a front portion (the connecting member 8) of the side member 1 is inserted into the concave portion, and the side member 1 is formed.
- the front part (the connecting member 8) of the above and the lower part of the connecting member 15 may be connected by welding or bolts.
- a concave portion (not shown) is provided on both the outer portion of the front portion (the connecting member 8) of the side member 1 and the lower portion of the connecting member 15, and these both concave portions are fitted to each other to form the front portion (
- the connecting member 8) and the lower part of the connecting member 15 may be connected by welding or bolts.
- FIGS. 9A and 9B may be adopted.
- recesses 8a are provided in the upper part and inside of the front part (connection member 8) of the side member 1. Insert the horizontal part of the cross member 12 into the recess 8a inside the front part of the side member 1 (connecting member 8), and weld the front part of the side member 1 (connecting member 8) and the horizontal part of the connecting member 12. Or connect with bolts.
- the lower part of the connecting member 15 is inserted into the upper concave part 8a of the front part (the connecting member 8) of the side member 1, and the front part (the connecting member 8) of the side member 1 and the lower part of the connecting member 15 are welded or bolted. connect.
- a recess (not shown) is provided in a lateral portion of the cross member 12, and this recess is provided.
- the front portion (the connecting member 8) of the side member 1 may be inserted into the portion, and the front portion (the connecting member 8) of the side member 1 and the lateral portion of the cross member 12 may be connected by welding or bolts.
- a concave portion (not shown) is provided in both the inner portion of the front portion (the connecting member 8) of the side member 1 and the lateral portion of the cross member 12, and these concave portions are fitted to each other to form the front portion of the side member 1.
- Connecting member 8) and the lateral portion of cross member 12 may be connected by welding or bolts.
- a concave portion (not shown) is provided at the lower portion of the connecting member 15, and the front portion (connecting member 8) of the side member 1 is inserted into the concave portion, and the side member 1
- the front part (the connecting member 8) of the above and the lower part of the connecting member 15 may be connected by welding or bolts.
- a concave portion (not shown) is provided in both the upper portion of the front portion (the connecting member 8) of the side member 1 and the lower portion of the connecting member 15, and these both concave portions are fitted to each other to form the front portion (the The connecting member 8) and the lower part of the connecting member 15 may be connected by welding or bolts.
- FIGS. 10 (a) and 10 (b) a configuration shown in FIGS. 10 (a) and 10 (b) may be adopted.
- concave portions 8a are provided on the inside and outside of the front portion (connection member 8) of the side member 1. Insert the horizontal part of the cross member 12 into the concave part 8a inside the front part of the side member 1 (connecting member 8), and connect the front part of the side member 1 (connecting member 8) and the horizontal part of the cross member 12. Connected by welding or bolts. Insert the lower part of the connecting member 15 into the recess 8a on the outside of the front part (connecting member 8) of the side member 1 and weld or bolt the front part of the side member 1 (connecting member 8) and the lower part of the connecting member 15 Connect with.
- a concave portion (not shown) is provided in the lateral portion of the cross member 12, and the front portion (the connecting member 8) of the side member 1 is inserted into the concave portion to form the side member.
- the front part of the member 1 (the connecting member 8) and the lateral part of the cross member 12 may be connected by welding or bolts.
- a concave portion (not shown) is provided in both the inner portion of the front portion (connecting member 8) of the side member 1 and the lateral portion of the cross member 12, and these concave portions are fitted to each other, and the side member
- the front part (the connecting member 8) and the lateral part of the cross member 12 may be connected by welding or bolts.
- a concave portion (not shown) is provided at the lower portion of the connecting member 15, and the front portion (connecting member 8) of the side member 1 is inserted into the concave portion, and The front part (connection member 8) of 1 and the lower part of the connection member 15 may be connected by welding or bolts.
- a concave portion (not shown) is provided on both the outer side of the front portion (connecting member 8) of the side member 1 and the lower portion of the connecting member 15, and these two concave portions are fitted to each other to form a front portion of the side member 11.
- the portion (the connecting member 8) and the lower portion of the connecting member 15 may be connected by welding or bolts.
- the invention of the present application can be used as a front structure of 1BOX type vehicles, 2BOX type or 3BOX type passenger cars, commercial vehicles, trucks, buses and other vehicles. Brief Description of Drawings
- FIG. 1 A side view of a right front portion of a vehicle.
- FIG. 4 Perspective view of front part of side member, connecting member, apron part, side part of cross member and vicinity of connecting member
- FIG. 2 is a cross-sectional view taken along the line A—A.
- FIG. 6 is a cross-sectional view of FIG. 2 viewed from the direction B—B.
- FIG. 7 (a) FIG. 3 is a side view as viewed from C-C direction, and (b) is a cross-sectional view as viewed from D-D direction in FIG.
- FIG. 8 (a) Front part of a side member, a connecting member, and a cross member according to a first alternative embodiment of the invention Front view of one horizontal part and the vicinity of the connecting member, (b) Perspective view of the front part of the side member, the connecting member, the horizontal part of the cross member and the vicinity of the connecting member
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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
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-051704 | 2004-02-26 | ||
JP2004051704A JP4011028B2 (ja) | 2004-02-26 | 2004-02-26 | 車両の前部構造 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005082698A1 true WO2005082698A1 (ja) | 2005-09-09 |
Family
ID=34908643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/002907 WO2005082698A1 (ja) | 2004-02-26 | 2005-02-23 | 車両の前部構造 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4011028B2 (ja) |
CN (1) | CN100415586C (ja) |
MY (1) | MY138498A (ja) |
WO (1) | WO2005082698A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102510824B (zh) * | 2009-10-09 | 2013-12-18 | 本田技研工业株式会社 | 车身前部构造 |
WO2018016173A1 (ja) * | 2016-07-21 | 2018-01-25 | 本田技研工業株式会社 | 車体前部構造 |
JP7138408B2 (ja) * | 2019-09-25 | 2022-09-16 | ダイハツ工業株式会社 | 車両構造 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0999585A (ja) * | 1995-10-06 | 1997-04-15 | Tec Corp | 画像形成装置 |
JP2000280933A (ja) * | 1999-03-30 | 2000-10-10 | Mazda Motor Corp | 車両の前部車体構造 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0999858A (ja) * | 1995-10-04 | 1997-04-15 | Honda Motor Co Ltd | 自動車の車体構造 |
KR100333889B1 (ko) * | 1999-12-21 | 2002-04-25 | 류정열 | 자동차용 프레임의 보강을 위한 보강구조 |
JP3599327B2 (ja) * | 2001-08-01 | 2004-12-08 | 本田技研工業株式会社 | 車両の前部車体構造 |
-
2004
- 2004-02-26 JP JP2004051704A patent/JP4011028B2/ja not_active Expired - Fee Related
-
2005
- 2005-02-23 CN CNB2005800060266A patent/CN100415586C/zh not_active Expired - Fee Related
- 2005-02-23 WO PCT/JP2005/002907 patent/WO2005082698A1/ja active Application Filing
- 2005-02-25 MY MYPI20050761A patent/MY138498A/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0999585A (ja) * | 1995-10-06 | 1997-04-15 | Tec Corp | 画像形成装置 |
JP2000280933A (ja) * | 1999-03-30 | 2000-10-10 | Mazda Motor Corp | 車両の前部車体構造 |
Also Published As
Publication number | Publication date |
---|---|
JP2005238987A (ja) | 2005-09-08 |
CN1922068A (zh) | 2007-02-28 |
CN100415586C (zh) | 2008-09-03 |
JP4011028B2 (ja) | 2007-11-21 |
MY138498A (en) | 2009-06-30 |
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