CN108016506B - Vehicle cabin assembly - Google Patents

Vehicle cabin assembly Download PDF

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Publication number
CN108016506B
CN108016506B CN201711098769.1A CN201711098769A CN108016506B CN 108016506 B CN108016506 B CN 108016506B CN 201711098769 A CN201711098769 A CN 201711098769A CN 108016506 B CN108016506 B CN 108016506B
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Prior art keywords
vehicle
longitudinal
cabin
reinforcement
sub
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CN201711098769.1A
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CN108016506A (en
Inventor
杨宏
叶宝文
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Guangzhou Automobile Group Co Ltd
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Guangzhou Automobile Group Co Ltd
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Priority to CN201711098769.1A priority Critical patent/CN108016506B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08Front or rear portions
    • B62D25/082Engine compartments
    • 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
    • B62D21/152Front or rear frames

Abstract

The utility model provides a vehicle cabin assembly, includes cabin main longitudinal beam, sub vehicle frame, connecting plate, front end roof beam, sub vehicle frame reinforcement and last longeron, the sub vehicle frame including sub vehicle frame crossbeam with connect in the lower longitudinal beam of sub vehicle frame crossbeam, the connecting plate connect in the sub vehicle frame crossbeam, the cabin main longitudinal beam with go up the longeron and extend along vehicle length direction, and one end connect in the connecting plate, sub vehicle frame reinforcement connect in sub vehicle frame crossbeam both ends with the lateral surface of cabin main longitudinal beam along vehicle width direction, the front end roof beam is followed along vehicle length direction sub vehicle frame reinforcement extend to be connected to go up the end of longeron. In the vehicle cabin assembly, due to the arrangement of the front end beam and the auxiliary frame reinforcing piece, when small offset collision occurs, the obstacle can be effectively supported and avoided, the rear part of the rear cabin is transmitted by the collision force auxiliary frame reinforcing piece and the front end beam, and the transmission path of the collision force is improved.

Description

Vehicle cabin assembly
Technical Field
The invention relates to the technical field of automobiles, in particular to a vehicle cabin assembly.
Background
As the holding amount of automobiles increases, traffic accidents frequently occur, and vehicle safety is receiving much attention. Statistically, the probability of a frontal collision, including a side impact, of an automobile among collision accidents involving all types of injuries is around 40%, whereas the probability of a simulated traffic accident occurring in a full-width collision among various frontal collision forms is 41%, and the probability of a collision in other forms is 59%. Therefore, the research of offset collision is the focus of the research of automobile safety. In offset crash tests, typical vehicle body energy absorbing structures, such as bumpers and front rails, do not function properly.
A25% overlap surface collision test carried out by the national highway safety insurance Association IIHS in recent days has the main reason that the longitudinal beam of the engine room is unreasonable in structural design and has no structure capable of ensuring a good force transmission path, so that the outer side of the longitudinal beam is seriously deformed in the collision process, and great potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a vehicle cabin assembly capable of coping with small offset collision.
In view of the above, the present invention provides a vehicle cabin assembly, which includes a cabin main longitudinal beam, a sub-frame, a connecting plate, a front end beam, a sub-frame reinforcement member, and an upper longitudinal beam, wherein the sub-frame includes a sub-frame cross beam and a lower longitudinal beam connected to the sub-frame cross beam, the connecting plate is connected to the sub-frame cross beam, the cabin main longitudinal beam and the upper longitudinal beam extend in a vehicle length direction, and have one end connected to the connecting plate, the sub-frame reinforcement member is connected to both ends of the sub-frame cross beam and an outer side surface of the cabin main longitudinal beam in a vehicle width direction, and the front end beam extends from the sub-frame reinforcement member in the vehicle length direction and is connected.
Further, the subframe reinforcement has a triangular structure as viewed from above the vehicle.
Furthermore, the auxiliary frame reinforcing part is of a triangular prism frame structure, one side face of the auxiliary frame reinforcing part is connected with the main longitudinal beam of the engine room, and one end face of the auxiliary frame reinforcing part is connected with the auxiliary frame cross beam.
Further, the end of the front end beam connected to the subframe reinforcement is curved when viewed from above the vehicle.
Further, the front end beam is arched toward the vehicle outside as viewed from above the vehicle to form a curved structure.
Further, the front end beam is arc-shaped as viewed from the side of the vehicle; the front end beam comprises a front end bent beam and a rear end connecting piece, and the rear end connecting piece is attached to the tail end of the upper longitudinal beam.
Furthermore, the number of the cabin main longitudinal beams is two, and the two cabin main longitudinal beams are respectively arranged on two opposite sides of the vehicle cabin assembly along the width direction of the vehicle; the auxiliary frame comprises two lower longitudinal beams, one ends of the two lower longitudinal beams are respectively connected to two ends of the auxiliary frame cross beam, and the two lower longitudinal beams are located on the inner sides of the cabin main longitudinal beams.
Further, along vehicle width direction, two the connecting plate respectively with two the sub vehicle frame reinforcement sets up adjacently, and is located the inboard of sub vehicle frame reinforcement, along vehicle length direction, the connecting plate still is located the front side of sub vehicle frame reinforcement.
Further, the front end beam is located between the side sill and the upper side member, and the subframe reinforcement is located above the subframe cross member, as viewed from the side of the vehicle.
Furthermore, the number of the upper longitudinal beams is two, the two upper longitudinal beams are respectively arranged on two sides in the width direction of the vehicle, one end, connected with the connecting plate, of each upper longitudinal beam is arc-shaped, and the upper longitudinal beams are located above the front end beam.
The invention has the advantages that the rigidity of the whole cabin can be ensured, the supporting force of the front part of the longitudinal beam is improved, the longitudinal beam of the front-end cabin is fully crushed, and the collision performance of the cabin is improved. The auxiliary frame reinforcing part at the front end of the connecting structure adopts a triangular structural design, and when small offset collision occurs, the auxiliary frame reinforcing part can effectively support the barrier and improve a collision transfer path. In addition, the front end of the connecting structure adopts the arc-shaped connecting structure, so that when small offset collision occurs, the collision force can be effectively decomposed, and meanwhile, the collision force at the front end of the vehicle body is transmitted to the vehicle body along the arc tangential direction, so that the damage of the collision to the passenger compartment is effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a vehicle cabin assembly according to an embodiment of the present invention.
FIG. 2 is a schematic view of a portion of the vehicle cabin assembly shown in FIG. 1.
FIG. 3 is a crash diagram of the vehicle cabin assembly of FIG. 1.
Description of the drawings: 1. a nacelle main stringer; 2. an auxiliary frame; 21. an auxiliary frame cross beam; 22. a lower longitudinal beam; 3. a connecting plate; 4. a front end beam; 41. a front end camber beam; 42. a rear end connector; 5. a subframe reinforcement; 6. an upper longitudinal beam; 7. an impact object.
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced. The terms of direction and position of the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the present invention.
Referring to fig. 1, an embodiment of the invention provides a vehicle cabin assembly, including: the main longitudinal beam comprises a cabin main longitudinal beam 1, an auxiliary frame 2, a connecting plate 3, a front end beam 4, an auxiliary frame reinforcing part 5 and an upper longitudinal beam 6. The subframe 2 includes a subframe cross member 21 and a side sill 22 connected to the subframe cross member 21. Cabin main longitudinal beam 1 is connected in 2 tops of sub vehicle frame and 1 front ends in cabin main longitudinal beam are equipped with connecting plate 3, and the connecting plate 3 upper end is equipped with the last longeron 6 that extends along vehicle length direction, and the lower extreme links to each other with sub vehicle frame crossbeam 21, and sub vehicle frame reinforcement 5 is connected in sub vehicle frame crossbeam 21 tip to be located cabin main longitudinal beam 1 along the lateral surface of vehicle width direction, front end roof beam 4 extends from sub vehicle frame reinforcement 5 along vehicle length direction and is connected to the end of last longeron 6.
In the vehicle cabin assembly, due to the arrangement of the front end beam 4 and the auxiliary frame reinforcing part 5, when small offset collision occurs, the obstacle can be effectively supported and avoided, the rear part of the rear cabin is transmitted by the collision force auxiliary frame reinforcing part 5 and the front end beam 4, and the transmission path of the collision force is improved.
Referring to fig. 3, the subframe reinforcement 5 has a triangular structure when viewed from above the vehicle. Through the triangular structure, when small offset collision occurs, the obstacle can be effectively supported and avoided, and a collision transfer path is improved.
The end of the front end beam 4 connected to the sub-frame reinforcement 5 is curved as viewed from above the vehicle. Through setting the front end roof beam 4 into the arc, when the cabin receives the offset collision before the vehicle, can decompose the collision force that receives along the tangent direction of front end roof beam 4, slide the automobile body according to the tangent direction of circular arc with the automobile body, effectively reduce the damage of collision to passenger cabin, be curved front end roof beam 4 simultaneously and can carry out the atress and crumple, rear end connecting piece 42 supports front end camber beam 41, effectively reduces the damage of collision to passenger cabin. Specifically, one end of the front end beam 4 connected to the subframe reinforcement 5 is in the shape of a circular arc. Specifically, the front end beam 4 is arched toward the vehicle outside as viewed from above the vehicle to form a curved structure.
The two cabin main longitudinal beams 1 are respectively arranged on two opposite sides of the vehicle cabin assembly along the width direction of the vehicle and extend along the length direction of the vehicle.
The subframe 2 comprises two side sills 22, one end of each of the two side sills 22 is connected to each of the two ends of the subframe cross member 21, and the two side sills 22 are located inside the two main cabin side sills 1.
Along vehicle width direction, two connecting plates 3 set up with two sub vehicle frame reinforcements 5 are adjacent respectively, and are located sub vehicle frame reinforcements 5's inboard, and along vehicle length direction, connecting plate 3 still is located sub vehicle frame reinforcements 5's front side. Thus, in the event of a small offset collision, the obstacle collides against the subframe reinforcement 5, not the connecting plate 3.
The front end beam 4 is curved as viewed from the side of the vehicle. Specifically, referring to fig. 2, the front end beam 4 includes a front end curved beam 41 and a rear end connecting member 42, and the rear end connecting member 42 is attached to the end of the upper longitudinal beam 6 to connect the front end curved beam 41 and the upper longitudinal beam 6 into a whole and support the front end curved beam 41. More specifically, the front end beam 4 is arched toward the vehicle lower side as viewed from the side of the vehicle to form a curved structure.
The front end member 4 is located between the side sills 22 and the upper side member 6, and the subframe reinforcement member 5 is located above the subframe cross member 21, as viewed from the vehicle side.
Sub vehicle frame reinforcement 5 is triangular prism frame construction, and a side of sub vehicle frame reinforcement 5 is connected with cabin main longitudinal beam 1, and a terminal surface of sub vehicle frame reinforcement 5 links to each other with sub vehicle frame crossbeam 21. The reinforcing member of the sub-frame 5 is triangular prism-shaped, so that the vehicle can absorb collision energy when being collided, the energy is transmitted to the front end beam 4 connected with the vehicle, the sub-frame 2 is supported, and the front collision force is relieved. The sub-frame reinforcement 5 is a quadrangular joint face with respect to the face of the front portion of the vehicle, and is advantageous in bearing frontal impact and load.
The two upper longitudinal beams 6 are respectively arranged on two sides in the width direction of the vehicle, one ends of the upper longitudinal beams 6 connected with the connecting plates 3 are arc-shaped, and the upper longitudinal beams 6 are positioned above the front end beam 4.
As shown in fig. 3, when the front portion of the vehicle is impacted, the front impact beam transmits the impact force to the upper side member 6 and the lower side member 22, and the front ends of the upper side member 6 and the lower side member 22 are mainly crushed and deformed to absorb the impact energy. The front of the connecting plate 3 is connected with a front anti-collision beam and an energy absorption box to absorb the energy of frontal collision. In addition, when small offset collision occurs, the auxiliary frame reinforcing piece 5 can effectively support and avoid obstacles, and the collision force is transmitted to the rear part of the rear engine room by the auxiliary frame reinforcing piece 5 and the front end beam 4, so that the transmission path of the collision force is improved; the auxiliary frame reinforcing part 5 transmits the collision force to the front anti-collision beam 4 through the arc structure of the front end beam 4 and the auxiliary frame reinforcing part 5, so that the collision force is decomposed, the invasion damage amount of a passenger compartment is effectively reduced, and the safety of passengers is protected.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.

Claims (9)

1. A vehicle cabin assembly is characterized by comprising a main longitudinal beam (1) of a cabin, an auxiliary frame (2), a connecting plate (3), a front end beam (4), an auxiliary frame reinforcing piece (5) and an upper longitudinal beam (6), the auxiliary frame (2) comprises an auxiliary frame cross beam (21) and a lower longitudinal beam (22) connected with the auxiliary frame cross beam (21), the connecting plate (3) is connected to the auxiliary frame cross beam (21), the cabin main longitudinal beam (1) and the upper longitudinal beam (6) extend along the length direction of the vehicle, one end of the auxiliary frame reinforcing piece is connected with the connecting plate (3), the auxiliary frame reinforcing piece (5) is connected with the two ends of the auxiliary frame cross beam (21) and the outer side surface of the engine room main longitudinal beam (1) along the width direction of the vehicle, the front end beam (4) extends from the auxiliary frame reinforcement (5) in the vehicle length direction and is connected to the tail end of the upper longitudinal beam (6); along vehicle width direction, two connecting plate (3) respectively with two sub vehicle frame reinforcement (5) adjacent the setting, and are located the inboard of sub vehicle frame reinforcement (5), along vehicle length direction, every connecting plate (3) still are located the correspondence the front side of sub vehicle frame reinforcement (5).
2. Vehicle cabin assembly according to claim 1, characterised in that the subframe reinforcement (5) is of triangular configuration, seen from above the vehicle.
3. Vehicle cabin assembly according to claim 2, characterised in that the subframe reinforcement (5) is of triangular prism frame construction, one side face of the subframe reinforcement (5) being connected to the cabin main longitudinal beam (1) and one end face of the subframe reinforcement (5) being connected to the subframe cross beam (21).
4. The vehicle cabin assembly according to claim 1, wherein an end of the front end beam (4) connected to the sub-frame reinforcement (5) is curved when viewed from above the vehicle.
5. Vehicle cabin assembly according to claim 4, characterised in that the front end beam (4) is arched towards the outside of the vehicle, seen from above the vehicle, forming a curved structure.
6. Vehicle cabin assembly according to claim 4 or 5, characterised in that the front end beam (4) is curved, seen from the side of the vehicle; the front end beam (4) comprises a front end bent beam (41) and a rear end connecting piece (42), and the rear end connecting piece (42) is attached to the tail end of the upper longitudinal beam (6).
7. The vehicle cabin assembly according to claim 1, wherein the number of the cabin main longitudinal beams (1) is two, and the two main longitudinal beams are respectively arranged on two opposite sides of the vehicle cabin assembly along the width direction of the vehicle; the auxiliary frame (2) comprises two lower longitudinal beams (22), one ends of the two lower longitudinal beams (22) are connected to two ends of an auxiliary frame cross beam (21) respectively, and the two lower longitudinal beams (22) are located on the inner sides of the cabin main longitudinal beams (1).
8. Vehicle cabin assembly according to claim 6, wherein the front end beam (4) is located between the side sill (22) and the upper side beam (6) and the subframe reinforcement (5) is located above the subframe cross member (21) as seen from the vehicle side.
9. The vehicle cabin assembly of claim 8, wherein the number of the upper longitudinal beams (6) is two, the two upper longitudinal beams are respectively arranged on two sides in the width direction of the vehicle, one end of each upper longitudinal beam (6) connected with the connecting plate (3) is arc-shaped, and the upper longitudinal beams (6) are positioned above the front end beam (4).
CN201711098769.1A 2017-11-09 2017-11-09 Vehicle cabin assembly Active CN108016506B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711098769.1A CN108016506B (en) 2017-11-09 2017-11-09 Vehicle cabin assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711098769.1A CN108016506B (en) 2017-11-09 2017-11-09 Vehicle cabin assembly

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Publication Number Publication Date
CN108016506A CN108016506A (en) 2018-05-11
CN108016506B true CN108016506B (en) 2020-02-21

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111301533A (en) * 2019-12-17 2020-06-19 重庆长安汽车股份有限公司 Automobile front end structure and vehicle
CN112849267A (en) * 2021-03-31 2021-05-28 安徽江淮汽车集团股份有限公司 Send cabin roof side rail assembly structure and car

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CN106275086A (en) * 2015-05-29 2017-01-04 广州汽车集团股份有限公司 A kind of car engine room assembly
CN106882272A (en) * 2015-12-16 2017-06-23 广州汽车集团股份有限公司 Forward engine room frame assembly
CN107187500A (en) * 2017-05-23 2017-09-22 保定中兴田野新能源汽车科技有限公司 A kind of three-dimensional multipath bearing-type engine room structure
CN107200069A (en) * 2017-05-27 2017-09-26 北京新能源汽车股份有限公司 The forward engine room skeleton and vehicle of vehicle

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JP2009179243A (en) * 2008-01-31 2009-08-13 Daihatsu Motor Co Ltd Front part vehicle body structure for automobile
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Patent Citations (8)

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Publication number Priority date Publication date Assignee Title
CN201745641U (en) * 2010-07-06 2011-02-16 奇瑞汽车股份有限公司 Front end structure of vehicle body front longitudinal beam
CN105835951A (en) * 2015-02-02 2016-08-10 马自达汽车株式会社 Vehicle-body structure of automotive vehicle
CN106275086A (en) * 2015-05-29 2017-01-04 广州汽车集团股份有限公司 A kind of car engine room assembly
CN106882272A (en) * 2015-12-16 2017-06-23 广州汽车集团股份有限公司 Forward engine room frame assembly
CN105752163A (en) * 2016-03-31 2016-07-13 广州汽车集团股份有限公司 Vehicle cabin assembly and vehicle with same
CN105691457A (en) * 2016-04-21 2016-06-22 浙江吉利控股集团有限公司 Connecting structure for automobile engine room longitudinal beam and sub frame longitudinal beam
CN107187500A (en) * 2017-05-23 2017-09-22 保定中兴田野新能源汽车科技有限公司 A kind of three-dimensional multipath bearing-type engine room structure
CN107200069A (en) * 2017-05-27 2017-09-26 北京新能源汽车股份有限公司 The forward engine room skeleton and vehicle of vehicle

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