CN211494239U - Automobile body and automobile - Google Patents

Automobile body and automobile Download PDF

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Publication number
CN211494239U
CN211494239U CN201922272384.3U CN201922272384U CN211494239U CN 211494239 U CN211494239 U CN 211494239U CN 201922272384 U CN201922272384 U CN 201922272384U CN 211494239 U CN211494239 U CN 211494239U
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China
Prior art keywords
vehicle body
longitudinal
cross
cross beam
longitudinal beam
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CN201922272384.3U
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Chinese (zh)
Inventor
李怀玉
陈洋洋
陈玉祥
喻哲
狄武飞
王小青
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Chongqing Jinkang Sailisi New Energy Automobile Design Institute Co Ltd
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Chongqing Jinkang Sailisi New Energy Automobile Design Institute Co Ltd
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Priority to CN201922272384.3U priority Critical patent/CN211494239U/en
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Abstract

The application relates to the technical field of vehicles, in particular to a vehicle body and an automobile. This automobile body includes: the two first longitudinal beams are arranged along the transverse direction of the vehicle body; the two first longitudinal beams are connected with the cross beam; at least one second longitudinal beam is positioned between the two first longitudinal beams and connected with the cross beam; the first longitudinal beam and the second longitudinal beam are positioned on two sides of the cross beam along the longitudinal direction of the vehicle body. The second longitudinal beam is connected with the cross beam, so that a force transmission path of the vehicle body collision force from the cross beam to the second longitudinal beam is increased, a path for transmitting and dispersing the collision force backwards is increased, the vehicle body rigidity is improved, and the collision safety of the whole vehicle is improved.

Description

Automobile body and automobile
Technical Field
The application relates to the technical field of vehicles, in particular to a vehicle body and an automobile.
Background
The front vehicle body direct collision force transfer structure is generally formed by welding a front longitudinal beam, left and right upper side beams of a front cabin, a front wall cross beam, an A-column lower inner plate and a floor lower longitudinal beam.
For an electric automobile, a power battery is generally arranged under a floor, and a force transmission longitudinal beam is arranged in no space at the lower part of the floor due to the limitation of the ground clearance of the whole automobile, so that a main force transmission path is lacked, the front wall of a lower cross beam with the front collision performance is not facilitated, the arrangement is usually limited by a battery pack and an upper pipeline wiring harness, the section is small, and the effective transmission of force cannot be realized in the front collision process; meanwhile, many electric vehicles have no middle channel structure or middle channels, but have no effective lap joint with the front wall beam, and cannot realize effective force transmission; according to the front deck structure of this mode design, lack effective biography power route, for guaranteeing collision performance, need increase part thickness or increase more reinforcement, weight is great, is unfavorable for the promotion of electric motor car lightweight design and continuation of the journey mileage.
SUMMERY OF THE UTILITY MODEL
The application provides a car body and car, aims at increasing the automobile body collision and passes power route.
The application provides a vehicle body, the vehicle body includes:
two first longitudinal beams arranged in a transverse direction of the vehicle body;
the two first longitudinal beams are connected with the cross beam;
at least one second longitudinal beam is positioned between the two first longitudinal beams and connected with the cross beam;
the first longitudinal beam and the second longitudinal beam are located on two sides of the cross beam along the longitudinal direction of the vehicle body.
Optionally, the cross beams include a first cross beam and a second cross beam, the first cross beam and the second cross beam are arranged along the vertical direction of the vehicle body, and the first cross beam is located above the second cross beam; the first longitudinal beam is connected with the first cross beam and the second cross beam;
the second longitudinal beam is connected with the first cross beam and the second cross beam.
Optionally, the first cross beam includes a first sealing plate and a second sealing plate, and the first sealing plate and the second sealing plate are connected to form a cavity;
the second longitudinal beam is connected with the second sealing plate.
Optionally, the first longitudinal beam is provided with a transverse rib, and the transverse ribs are connected with the first cross beam;
and a plurality of transverse ribs are sequentially arranged along the vertical direction of the vehicle body.
Optionally, a first reinforcement member is disposed on the first cross beam, and the first reinforcement member is located in the cavity and connected to the first sealing plate and the second sealing plate;
at least two first reinforcements are located second longeron both sides, first reinforcement is hollow structure.
Optionally, the second longitudinal beam is provided with a second reinforcing piece, and the second reinforcing piece extends upwards in the longitudinal direction of the vehicle body and is connected with the first sealing plate in an inclined mode;
the second reinforcing member is a hollow structure.
Optionally, two sides of the first reinforcing member are provided with first flanges, and two sides of the second reinforcing member are provided with second flanges;
the transverse rib is in lap joint with the first flanging, and the first flanging is in lap joint with the second flanging.
Optionally, the second longitudinal beam is a hollow structure.
Optionally, the vehicle body further comprises:
the two third longitudinal beams are positioned on two sides of the second longitudinal beam and connected with the second cross beam along the transverse direction of the vehicle body;
the two fourth longitudinal beams are positioned on two sides of the third longitudinal beam along the transverse direction of the vehicle body and are connected with the cross beam;
wherein the fourth stringer is connected with the first stringer.
The application also provides an automobile comprising the automobile body.
The technical scheme provided by the application can achieve the following beneficial effects.
The second longitudinal beam is connected with the cross beam, so that a force transmission path of the collision force from the cross beam to the second longitudinal beam is increased, a path for transmitting and dispersing the collision force backwards is increased, the rigidity of the vehicle body is improved, and the collision safety of the whole vehicle is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
FIG. 1 is a schematic structural view of a vehicle body provided in an embodiment of the present application;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a sectional view taken along the line B-B in FIG. 1.
Reference numerals:
1-a first stringer;
11-transverse ribs;
2-a cross beam;
21-a first beam;
211-a first closure plate;
212-a second closure plate;
213-a cavity;
22-a second beam;
23-a first stiffener;
231-first flange;
3-a second stringer;
31-a second stiffener;
311-second flange;
4-a third stringer;
5-a fourth stringer;
6-front upright post;
7-roof side rail;
8-a connector;
and 9-A column inner lower plate.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Detailed Description
For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
As shown in fig. 1 to 3, an embodiment of the present application provides a vehicle body including:
the two first longitudinal beams 1 are arranged along the transverse direction X of the vehicle body; the two first longitudinal beams 1 are connected with the cross beam 2; at least one second longitudinal beam 3 is positioned between the two first longitudinal beams 1 and is connected with the cross beam 2; the first longitudinal beam 1 and the second longitudinal beam 3 are positioned on two sides of the cross beam 2 along the longitudinal direction Y of the vehicle body; when car front deck automobile body collided, the automobile body transmitted the impact through first longeron 1 to crossbeam 2, transmitted the opposite side to second longeron 3 and automobile body through crossbeam 2 again, and first longeron 1 transmits the impact to the opposite side of automobile body through crossbeam 2 among the prior art relatively, and this embodiment has increased the power transmission route of impact through crossbeam 2 to second longeron 3, increases the route of transmitting the dispersion backward with the impact, improves automobile body rigidity to improve whole car collision security.
In one possible design, as shown in fig. 1, the cross member 2 includes a first cross member 21 and a second cross member 22, the first cross member 21 and the second cross member 22 are arranged along a vertical direction Z of the vehicle body, the first cross member 21 is located above the second cross member 22, the first side member 1 is connected to the first cross member 21 and the second cross member 22, and the second side member 3 is connected to the first cross member 21 and the second cross member 22. In the embodiment, the middle cross beam 2 of the automobile body is of a double-cross beam 2 structure, when the automobile body of the front cabin of the automobile collides, the first longitudinal beam 1 transmits the collision force to the second longitudinal beam 3 through the first cross beam 21, the first longitudinal beam 1 transmits the collision force to the other side of the automobile body through the first cross beam 21, the first longitudinal beam 1 transmits the collision force to the second longitudinal beam 3 through the second cross beam 22, the first longitudinal beam 1 transmits the collision force to the other side of the automobile body through the second cross beam 22, force transmission path branches are increased through the double-cross beam 2 structure, collision energy can be effectively dispersed and transmitted, the front wall structure is also favorably kept stable, the material thickness of the automobile body and the number of reinforcing pieces are not required to be increased, and the automobile body is lightened while the automobile body performance is met.
As shown in fig. 3, the first cross beam 21 includes a first closing plate 211 and a second closing plate 212, the first closing plate 211 and the second closing plate 212 are connected to form a cavity, and the second longitudinal beam 3 and the second closing plate 212 are connected to form a cavity.
In one possible design, as shown in fig. 3, the first longitudinal beam 1 is provided with transverse ribs 11, and a plurality of transverse ribs 11 are connected with the first cross beam 21; along the vertical Z of automobile body, a plurality of horizontal muscle 11 set gradually, and in this embodiment, set up horizontal muscle 11 on first longeron 1, improve automobile body bulk strength, and a plurality of horizontal muscle 11 are located the up end of first crossbeam 21, middle body and lower terminal surface respectively, play the supporting role to first crossbeam 21 to horizontal muscle 11 replaces support to support first crossbeam 21, simplifies connection technology, realizes automobile body lightweight design simultaneously.
In another kind of possible design, first longeron 1 is connected with crossbeam 2 through connecting piece 8, is provided with horizontal muscle 11 on the connecting piece 8, and a plurality of horizontal muscle 11 are connected with first crossbeam 21, along the vertical Z of automobile body, and a plurality of horizontal muscle 11 set gradually, connect first longeron 1 and crossbeam 2 through connecting piece 8, can simplify the shaping structure of first longeron 1 and crossbeam 2, easy to assemble location.
Wherein, the connecting piece 8 can adopt the casting piece, has improved first longeron 1 and crossbeam 2 joint strength.
Specifically, the first cross beam 21 is made of a high-strength plate, the second cross beam 22 is made of an extruded aluminum profile, the connecting piece 8 is in arc welding connection with the second cross beam 22, the connecting piece 8 is connected with the first cross beam 21SPR (self-piercing riveting) or FDS (flow drilling screw connection), structural glue is coated at the lap joint, and electrochemical corrosion caused by steel-aluminum lap joint is prevented while the connecting strength is enhanced.
As shown in fig. 1 and 2, the first cross beam 21 is provided with a first reinforcing member 23, and the first reinforcing member 23 is located in the cavity and connected to the first closing plate 211 and the second closing plate 212; at least two first reinforcement 23 are located 3 both sides of second longeron, and first reinforcement 23 is hollow structure, and first reinforcement 23 of welding has improved first crossbeam 21 intensity on the first crossbeam 21, has further improved the intensity of automobile body, and first reinforcement 23 welds in the cavity, provides the assembly space for other sheet metal parts on the automobile body, and first reinforcement 23 is hollow structure, alleviates first crossbeam 21 weight to make the automobile body lightweight.
Further, as shown in fig. 1, the second longitudinal beam 3 is provided with a second reinforcement 31, the second reinforcement 31 extends obliquely upward along the longitudinal direction Y of the vehicle body and is connected with the first sealing plate 211, the second reinforcement 31 is of a hollow structure, the second reinforcement 31 is welded on the second longitudinal beam 3 to improve the strength of the first cross beam 21, and further improve the strength of the vehicle body, the second reinforcement 31 extends obliquely upward and is connected with the first sealing plate 211 to increase the connection area between the second longitudinal beam 3 and the first cross beam 21, and improve the connection strength between the second longitudinal beam 3 and the first cross beam 21, so that in the collision process, force is smoothly transmitted from the first cross beam 21 to the second longitudinal beam 3, and meanwhile, the second reinforcement 31 is of a hollow structure to reduce the weight of the second longitudinal beam 3, so that the vehicle body is light.
Furthermore, as shown in fig. 2, the first reinforcing member 23 has first flanges 231 on both sides thereof, the second reinforcing member 31 has second flanges 311 on both sides thereof, the transverse rib 11 is overlapped with the first flanges 231, and the first flanges 231 are overlapped with the second flanges 311. In this embodiment, during a vehicle body collision, a force is transmitted to the transverse rib 11 through the first longitudinal beam 1, the transverse rib 11 is in lap joint with the first flange 231 to transmit the force to the first reinforcing member 23, the first reinforcing member 23 is in lap joint with the second flange 311 to transmit the force to the second reinforcing member 31, a path for transmitting the collision force to the second longitudinal beam 3 is increased, the second longitudinal beam 3 effectively participates in collision force transmission, further, the second longitudinal beam 3 is of a hollow structure, and the weight of the vehicle body is reduced while the second longitudinal beam 3 participates in force transmission.
As shown in fig. 1, the vehicle body further includes: third longitudinal beams 4, two third longitudinal beams 4 are positioned on two sides of the second longitudinal beam 3 along the transverse direction X of the vehicle body and are connected with a second cross beam 22; the fourth longitudinal beams 5 are arranged along the transverse direction X of the vehicle body, and the two fourth longitudinal beams 5 are positioned at two sides of the third longitudinal beam 4 and connected with the cross beam 2; wherein the fourth longitudinal beam 5 is connected with the first longitudinal beam 1. In the embodiment, during vehicle body collision, the first longitudinal beam 1 transmits collision force to the third longitudinal beam 4 and the fourth longitudinal beam 5 through the second cross beam 22, so that after the vehicle body collision, the force is transmitted and dispersed along a plurality of road forces, the vehicle body rigidity is improved, and the collision safety of the whole vehicle is improved.
In summary, in the embodiment of the present application, the transmission path of the collision force includes: a. the first longitudinal beam 1-the first cross beam 21-the first longitudinal beam 1 on the other side of the vehicle body; b. the first longitudinal beam 1, the second cross beam 22 and the first longitudinal beam 1 on the other side of the vehicle body; c. first longitudinal beam 1-first transverse beam 21-second longitudinal beam 3; b. first longitudinal beam 1-second transverse beam 21-second longitudinal beam 3; e. the first longitudinal beam 1-the transverse bar 11-the first reinforcement 23-the second reinforcement 31-the second longitudinal beam 3; f. first longitudinal beam 1-second transverse beam 22-third longitudinal beam 3; g. first longitudinal beam 1-second transverse beam 22-fourth longitudinal beam 5; compared with the prior art, the transmission path is increased: a. the first longitudinal beam 1-the first cross beam 21-the first longitudinal beam 1 on the other side of the vehicle body; c. first longitudinal beam 1-first transverse beam 21-second longitudinal beam 3; b. first longitudinal beam 1-second transverse beam 22-second longitudinal beam 2; e. the first longitudinal beam 1-the transverse bar 11-the first reinforcement 23-the second reinforcement 31-the second longitudinal beam 3; through setting up the crossbeam into two crossbeam structures, increase the route with the transmission dispersion of impact to automobile body opposite side, be connected through second longeron 3 and first crossbeam 21 and second crossbeam 22, increase the route with the transmission dispersion of impact to the automobile body rear side, weld the reinforcement simultaneously on first crossbeam 21 and second longeron 3, the turn-ups overlap joint each other of reinforcement increases the route that an impact transmission dispersion again, improves automobile body global rigidity to improve car collision security.
Specifically, first longeron 1 is connected with front column 6, front column 6 is connected with roof side rail 7, roof side rail 7 is connected with lower board 9 in the A post, lower board 9 is connected with fourth longeron 5 in the A post, roof side rail 7 is located first longeron 1 top, during the automobile body collision, power transmits to first longeron 1 and roof side rail 7 through front column 6, realizes the transmission of upper segment power through roof side rail 7, realizes the transmission of hypomere power through first longeron 1, the two simultaneously and with power to automobile body rear transmission dispersion in proper order.
This embodiment still provides an automobile, includes above arbitrary embodiment the automobile body, be connected with crossbeam 2 through second longeron 3, increase and pass power route, improve whole car collision security, set up crossbeam 2 into double-beam structure, increase and pass power route branch, reduce the quantity of whole material thickness and reinforcement, the automobile body lightweight when realizing satisfying the performance.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A vehicle body, characterized in that the vehicle body comprises:
two first longitudinal beams arranged in a transverse direction of the vehicle body;
the two first longitudinal beams are connected with the cross beam;
at least one second longitudinal beam is positioned between the two first longitudinal beams, and the second longitudinal beams are connected with the cross beam;
the first longitudinal beam and the second longitudinal beam are located on two sides of the cross beam along the longitudinal direction of the vehicle body.
2. The vehicle body of claim 1, wherein the cross member includes a first cross member and a second cross member, the first cross member and the second cross member being arranged in a vertical direction of the vehicle body, and the first cross member being located above the second cross member;
the first longitudinal beam is connected with the first cross beam and the second cross beam;
the second longitudinal beam is connected with the first cross beam and the second cross beam.
3. The vehicle body of claim 2, wherein the first cross member includes a first cover plate and a second cover plate, the first cover plate and the second cover plate being coupled to form a cavity;
the second longitudinal beam is connected with the second sealing plate.
4. The vehicle body of claim 3, wherein the first longitudinal beam is provided with a cross bar, and a plurality of the cross bars are connected with the first cross beam;
and a plurality of transverse ribs are sequentially arranged along the vertical direction of the vehicle body.
5. The vehicle body of claim 4, wherein the first cross member includes a first reinforcement member disposed within the cavity and coupled to the first and second cover panels;
at least two first reinforcements are located second longeron both sides, first reinforcement is hollow structure.
6. The vehicle body of claim 5, wherein the second side member is provided with a second reinforcement member extending obliquely upward in the longitudinal direction of the vehicle body to be connected to the first closing plate;
the second reinforcing member is a hollow structure.
7. The vehicle body of claim 6, wherein the first reinforcement member has first flanges on both sides thereof and the second reinforcement member has second flanges on both sides thereof;
the transverse rib is in lap joint with the first flanging, and the first flanging is in lap joint with the second flanging.
8. The vehicle body according to any one of claims 1 to 7, wherein the second longitudinal member is a hollow structure.
9. The vehicle body according to any one of claims 2 to 7, further comprising:
the two third longitudinal beams are positioned on two sides of the second longitudinal beam and connected with the second cross beam along the transverse direction of the vehicle body;
the two fourth longitudinal beams are positioned on two sides of the third longitudinal beam along the transverse direction of the vehicle body, and the fourth longitudinal beams are connected with the cross beam;
wherein the fourth stringer is connected with the first stringer.
10. An automobile, characterized in that the automobile comprises an automobile body, and the automobile body is the automobile body as claimed in any one of claims 1-9.
CN201922272384.3U 2019-12-17 2019-12-17 Automobile body and automobile Active CN211494239U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922272384.3U CN211494239U (en) 2019-12-17 2019-12-17 Automobile body and automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922272384.3U CN211494239U (en) 2019-12-17 2019-12-17 Automobile body and automobile

Publications (1)

Publication Number Publication Date
CN211494239U true CN211494239U (en) 2020-09-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112389543A (en) * 2020-12-03 2021-02-23 安徽江淮汽车集团股份有限公司 Front longitudinal beam connecting assembly and electric automobile
CN113428129A (en) * 2021-08-09 2021-09-24 重庆金康赛力斯新能源汽车设计院有限公司 Method and system for adjusting suspension stiffness

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112389543A (en) * 2020-12-03 2021-02-23 安徽江淮汽车集团股份有限公司 Front longitudinal beam connecting assembly and electric automobile
CN112389543B (en) * 2020-12-03 2022-03-08 安徽江淮汽车集团股份有限公司 Front longitudinal beam connecting assembly and electric automobile
CN113428129A (en) * 2021-08-09 2021-09-24 重庆金康赛力斯新能源汽车设计院有限公司 Method and system for adjusting suspension stiffness

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