CN115817646A - Automobile engine compartment assembly structure and automobile - Google Patents

Abstract

The invention discloses an automobile engine compartment assembly structure which comprises a front longitudinal beam assembly, a front baffle body, a front baffle upper cross beam and a front baffle lower cross beam connected with the front baffle upper cross beam, wherein the front baffle upper cross beam is provided with a first contact surface and a second contact surface which are connected with the front baffle body, a first cavity which penetrates through the front baffle upper cross beam along the length direction is formed at the joint of the first contact surface and the second contact surface with the front baffle body, the front baffle lower cross beam is provided with a third contact surface which is connected with the front baffle upper cross beam and a fourth contact surface which is connected with the front baffle body, and a second cavity which penetrates through the front baffle lower cross beam along the length direction is formed at the joint of the third contact surface and the fourth contact surface with the front baffle body. The automobile engine room assembly structure realizes a double-closed-section beam penetrating structure, improves the overall torsional rigidity and mode of an automobile body, and can improve the anti-intrusion strength of collision safety. The invention also discloses an automobile.

Description

Automobile engine compartment assembly structure and automobile

Technical Field

The invention belongs to the technical field of automobile body front structures, and particularly relates to an automobile engine room assembly structure and an automobile.

Background

With the development of automobile technology, the demand of consumers for automobile NVH and safety performance is increasing day by day. Automotive safety has become a reference factor for consumers to purchase vehicles. Therefore, the good safety performance can improve the purchase rate and the selling price of the whole vehicle.

When the automobile is impacted from the front, the cabin-sending structure of the automobile body absorbs certain impact energy and simultaneously slows down the movement degree of passengers in the automobile, meanwhile, the cabin-sending structure needs to be firm enough and have deformation resistance, and the cabin-sending structure is very important for ensuring that the passengers have enough living space in the rear section of the collision process.

The engine compartment assembly of the load-bearing type white car body is very important, and the engine compartment assembly structure is mainly used as an installation carrier of an engine (or motor drive) system, a chassis suspension system, a gearbox system, a radiator and the like and bears various severe load effects. Meanwhile, the mounting carrier is used for mounting accessories such as a water tank, a battery, a liquid pot and the like. The existing cabin sending assembly mainly comprises a headlamp beam, a water tank beam, a front wheel cover outer plate, a left front longitudinal beam inner outer plate, a right front longitudinal beam outer plate, a reinforcing plate, an anti-collision beam, an energy absorption box, a front baffle assembly and various small brackets. The engine compartment assembly must absorb the impact energy at the front and ensure the transmission of the impact force value of the passenger compartment.

The front baffle assembly of the car body, also called a firewall assembly, is a division surface of a passenger cabin and an engine cabin, and is a connecting piece for connecting the engine cabin assembly, a floor assembly and a side wall assembly, and is an installation carrier of air conditioner accessories, steering gear accessories, front windshield glass, a windscreen wiper, a pedal plate and a middle instrument board beam. The existing front baffle assembly mainly comprises a front baffle body, a front baffle beam, a steering column mounting bracket, an inner plate and an outer plate of a launder and the like. The front baffle is important to the torsional rigidity and modal and crash capability transfer of the entire vehicle.

The existing engine compartment assembly is unreasonable in collision path design, can not absorb more energy in the collision energy transfer process to cause great injury to passengers in the passenger compartment of an automobile, has poor deformation resistance of a longitudinal beam, particularly has low connection rigidity among partial parts, causes low overall torsional rigidity and mode which affect the automobile body, and can generate uncomfortable problems such as noise, vibration and the like.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an automobile engine room assembly structure, and aims to improve the anti-intrusion strength of collision safety and improve the overall torsional rigidity and mode of an automobile body.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the automobile engine compartment assembly structure comprises a front longitudinal beam assembly, a front baffle body connected with the front longitudinal beam assembly, a front baffle upper cross beam connected with the front longitudinal beam assembly, and a front baffle lower cross beam connected with the front baffle upper cross beam and located below the front baffle upper cross beam, wherein the front baffle upper cross beam is provided with a first contact surface and a second contact surface which are connected with the front baffle body, the joint of the first contact surface and the front baffle body, the second contact surface and the front baffle body form a first cavity which penetrates through the front baffle upper cross beam in the length direction, the front baffle lower cross beam is provided with a third contact surface and a fourth contact surface, and the joint of the third contact surface and the fourth contact surface and the front baffle body forms a second cavity which penetrates through the front baffle lower cross beam in the length direction.

The third contact surface is positioned below the second contact surface, and the first contact surface is positioned above the second contact surface.

The front baffle body comprises a front baffle upper body and a front baffle lower body, the lower end of the front baffle upper body is connected with the upper end of the front baffle lower body, the lower end of the front baffle lower body is connected with the front baffle lower cross beam, and the first contact surface is connected with the lower end of the front baffle upper body.

The front baffle lower body is of a structure with an L-shaped cross section and comprises a first baffle body and a second baffle body which are connected, the first baffle body is connected with the lower end of the front baffle upper body and the second contact surface, the second baffle body is connected with the fourth contact surface, and the first cavity is formed by surrounding the first baffle body and the front baffle upper cross beam.

The front baffle lower beam comprises a front baffle lower beam upper body and a front baffle lower beam lower body, the upper end of the front baffle lower beam upper body is connected with the front baffle upper beam or the front baffle body, the lower end of the front baffle lower beam upper body is connected with the front baffle lower beam lower body, the front baffle lower beam lower body is connected with the front baffle lower body, the second cavity is formed by surrounding the front baffle lower body with the front baffle lower beam upper body and the front baffle lower beam lower body.

The front longitudinal beam assembly comprises a first front longitudinal beam supporting plate, the first front longitudinal beam supporting plate is provided with a fifth contact surface and a sixth contact surface which are connected with the front baffle body, and a third cavity which is arranged in a penetrating mode along the length direction of the first front longitudinal beam supporting plate is formed at the joint of the fifth contact surface and the sixth contact surface with the front baffle body.

The front longitudinal beam assembly further comprises a second front longitudinal beam supporting plate and a threshold connecting plate which is connected with the second front longitudinal beam supporting plate and the front baffle body, the second front longitudinal beam supporting plate is located below the first front longitudinal beam supporting plate, the front baffle body, the threshold connecting plate and the second front longitudinal beam supporting plate are surrounded to form a fourth cavity which penetrates through the second front longitudinal beam supporting plate in the length direction, and the fourth cavity is located below the third cavity.

The front longitudinal beam assembly further comprises a front baffle supporting plate, the front baffle supporting plate and the first front longitudinal beam supporting plate are located on two opposite sides of the front baffle body, the front baffle supporting plate is provided with a seventh contact surface and an eighth contact surface which are connected with the front baffle body, and a fifth cavity which penetrates through the front longitudinal beam supporting plate along the length direction of the first front longitudinal beam supporting plate is formed at the joint of the seventh contact surface and the eighth contact surface with the front baffle body.

The front baffle supporting plate and the first front longitudinal beam supporting plate are connected with the second baffle body, and the second front longitudinal beam supporting plate and the threshold connecting plate are connected with the second baffle body.

The front longitudinal beam assembly further comprises a first front auxiliary frame rear mounting seat and a second front auxiliary frame rear mounting seat which are connected with the front baffle body, the first front auxiliary frame rear mounting seat and the second front auxiliary frame rear mounting seat enclose to form a sixth cavity, and the first front auxiliary frame rear mounting seat and the second front auxiliary frame rear mounting seat are connected.

The first front longitudinal beam supporting plate, the second front longitudinal beam supporting plate and the threshold connecting plate are connected with the first front auxiliary frame rear mounting seat, and the first front longitudinal beam supporting plate, the second front longitudinal beam supporting plate and the threshold connecting plate are located on the same side of the first front auxiliary frame rear mounting seat.

The front longitudinal beam assembly further comprises a front auxiliary frame rear mounting seat reinforcing plate, the front auxiliary frame rear mounting seat reinforcing plate is located between the first front auxiliary frame rear mounting seat and the second front auxiliary frame rear mounting seat and is connected with the first front auxiliary frame rear mounting seat and the second front auxiliary frame rear mounting seat, and the front auxiliary frame rear mounting seat reinforcing plate is located in the sixth cavity.

The front longitudinal beam assembly further comprises a front longitudinal beam body and a front longitudinal beam cover plate connected with the front longitudinal beam body, the front longitudinal beam body is connected with the front baffle upper cross beam, the front baffle body, the first front auxiliary frame rear mounting seat and the second front auxiliary frame rear mounting seat, and the front longitudinal beam cover plate is connected with the first front longitudinal beam support plate and the second front longitudinal beam support plate.

The automobile engine compartment assembly structure further comprises a front baffle longitudinal beam reinforcing plate, the front baffle longitudinal beam reinforcing plate is provided with a ninth contact surface and a tenth contact surface which are connected with the front baffle body, and a seventh cavity is formed at the joint of the ninth contact surface and the tenth contact surface and the front baffle body.

The automobile engine compartment assembly structure comprises a plurality of parts, and two adjacent parts are connected through welding, riveting or bolts.

The parts are sheet metal parts, and the optimal scheme is a sheet metal part formed by stamping a steel plate stamping die.

The front longitudinal beam assembly is provided with two front longitudinal beam assemblies which are symmetrically arranged.

And the front longitudinal beam assembly and/or the front baffle body are/is provided with a mounting point structure and a mounting point reinforcing structure.

And reinforcing ribs are arranged on the front longitudinal beam assembly and/or the front baffle body.

The front baffle upper cross beam and the first front longitudinal beam supporting plate are fixedly connected into a whole, the front baffle upper cross beam and the first front longitudinal beam supporting plate are integrally formed, and the first cavity is communicated with the third cavity.

And the rear mounting seat of the first front auxiliary frame and the rear mounting seat of the second front auxiliary frame are fixedly connected into a whole.

The invention also provides an automobile which comprises the automobile engine room assembly structure.

The automobile engine room assembly structure realizes a double-closed-section beam penetrating structure, improves the overall torsional rigidity and mode of an automobile body, and can improve the anti-intrusion strength of collision safety.

Drawings

FIG. 1 is a schematic view of a front structure of a hair pod assembly;

FIG. 2 is a schematic view of the rear structure of the engine compartment assembly;

FIG. 3 isbase:Sub>A schematic cross-sectional view of the engine compartment assembly A-A;

FIG. 4 is a schematic cross-sectional view of the hair pod assembly B-B;

FIG. 5 is a schematic cross-sectional view of the hair pod assembly C-C;

FIG. 6 is a schematic structural view of a left front longitudinal beam body;

FIG. 7 is a schematic view of a left front side rail cover plate structure;

FIG. 8 is a schematic view of the first front subframe left mount;

FIG. 9 is a schematic view of a second front subframe left mount;

FIG. 10 is a structural schematic view of a first front rail support plate;

FIG. 11 is a structural view of a second front side rail support plate;

FIG. 12 is a schematic view of a front fender triangle beam connecting bracket structure;

FIG. 13 is a schematic view of a sill connection panel construction;

FIG. 14 is a schematic illustration of the subframe left rear mount stiffener configuration;

FIG. 15 is a schematic illustration of a front rail rear stiffener structure;

FIG. 16 is a schematic structural view of a front rail assembly;

FIG. 17 is a schematic structural view of a front rail assembly;

FIG. 18 is a front elevational view of the front rail assembly;

FIG. 19 is a top view of the front rail assembly;

FIG. 20 is a left side elevational view of the front rail assembly;

FIG. 21 is a schematic view of the lower body structure of the front baffle;

FIG. 22 is a schematic view of a front fender upper cross member configuration;

FIG. 23 is a structural view of the lower cross beam lower body of the front baffle;

FIG. 24 is a structural view of the upper part of the lower beam of the front baffle;

FIG. 25 is a schematic view of a front fender support plate configuration;

FIG. 26 is a schematic view of a front fender stringer stiffener structure;

the labels in the above figures are: 1. a front longitudinal beam body; 2. a front longitudinal beam cover plate; 3. a first front subframe rear mounting seat; 4. a second front subframe rear mounting seat; 5. a first front longitudinal support plate; 6. a second front longitudinal support plate; 7. the front baffle triangular beam is connected with a bracket; 8. a threshold connecting plate; 9. a front subframe rear mounting base reinforcing plate; 10. a front longitudinal beam rear reinforcing plate; 11. a front baffle lower body; 12. a front baffle upper body; 13. the front baffle is arranged on the upper beam; 14. a lower beam lower body of the front baffle; 15. the upper body of the lower beam of the front baffle plate; 16. a front baffle support plate; 17. a front baffle longitudinal beam reinforcing plate; 18. a first baffle body; 19. a second baffle.

Detailed Description

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.

In the following embodiments, the terms "first", "second", "third", "fourth", "fifth", "sixth" and "seventh" do not denote absolute structural and/or functional relationships or order of execution, but are merely used for convenience of description.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 26, the invention provides an automobile engine room assembly structure, which includes a front longitudinal beam assembly, a front baffle body connected with the front longitudinal beam assembly, a front baffle upper cross beam 13 connected with the front longitudinal beam assembly, and a front baffle lower cross beam connected with the front baffle upper cross beam 13 and located below the front baffle upper cross beam 13, wherein the front baffle upper cross beam 13 has a first contact surface and a second contact surface connected with the front baffle body, a first cavity penetrating through the front baffle upper cross beam 13 along the length direction is formed at the connection position of the first contact surface and the front baffle body, the front baffle lower cross beam has a third contact surface connected with the front baffle upper cross beam 13 and a fourth contact surface connected with the front baffle body, and a second cavity penetrating through the front baffle lower cross beam along the length direction is formed at the connection position of the third contact surface and the fourth contact surface and the front baffle body.

Specifically, as shown in fig. 1 and fig. 2, two front side member assemblies are disposed in a symmetrical arrangement, the length direction of the front side member assemblies is parallel to a first direction, or an included angle is formed between the length direction of the front side member assemblies and the first direction, the two front side member assemblies are located on the same straight line parallel to a second direction, both the first direction and the second direction are horizontal directions and are perpendicular to each other, the first direction is parallel to the length direction of the automobile body, and the second direction is parallel to the width direction of the automobile body. The length direction of preceding baffle body parallels with the second direction, the ascending one end of length direction and the preceding baffle body fixed connection of front longitudinal assembly. The length direction of preceding baffle entablature 13 parallels with the second direction or has the contained angle between the length direction of preceding baffle entablature 13 and the second direction, and the length direction of preceding baffle bottom end rail parallels with the second direction or has the contained angle between the length direction of baffle bottom end rail and the second direction, and preceding longeron assembly, preceding baffle entablature 13 and preceding baffle bottom end rail lie in the same one side of preceding baffle body. The front baffle upper beam 13 is positioned between the two front longitudinal beam assemblies, and two ends of the front baffle upper beam 13 are respectively fixedly connected with the two front longitudinal beam assemblies. The front baffle lower beam is also positioned between the two front longitudinal beam assemblies, and two ends of the front baffle lower beam are respectively fixedly connected with the two front longitudinal beam assemblies. The length of preceding baffle body is greater than the length of preceding baffle entablature 13 and preceding baffle bottom end rail, and preceding baffle entablature 13 and preceding baffle bottom end rail are in the intermediate position department on the length direction of preceding baffle body and preceding baffle body fixed connection.

As shown in fig. 1 to 3, the third contact surface is located below the second contact surface, and the first contact surface is located above the second contact surface. The front baffle body comprises a front baffle upper body 12 and a front baffle lower body 11, the lower end of the front baffle upper body 12 is fixedly connected with the upper end of the front baffle lower body 11, the lower end of the front baffle lower body 11 is fixedly connected with a front baffle lower beam, and a first contact surface is fixedly connected with the lower end of the front baffle upper body 12. The front baffle lower body 11 is a plate structure with an L-shaped cross section, the front baffle lower body 11 comprises a first baffle body 18 and a second baffle body 19 which are connected, the first baffle body 18 is fixedly connected with the lower end of the front baffle upper body 12 and a second contact surface, the second baffle body 19 is fixedly connected with a fourth contact surface, and a first cavity is formed by the first baffle body 18 and the front baffle upper beam 13 in an enclosing mode. The front baffle upper cross beam 13 is a beam structure with a U-shaped cross section, two ends of a side opening of the front baffle upper cross beam 13 are provided with flanges, a first contact surface and a second contact surface are outer surfaces of the two flanges, the first contact surface and the second contact surface are planes parallel to the length direction of the front baffle upper cross beam 13, the lower end of a front baffle upper body 12 is clamped between the upper end of a first baffle body 18 and the first contact surface, the upper end of the first baffle body 18 is fixedly connected with the lower end of the front baffle upper body 12 and the first contact surface, the lower end of the first baffle body 18 is fixedly connected with one end of a second baffle body 19, the other end of the second baffle body 19 is fixedly connected with a fourth contact surface, and an included angle is formed between the first baffle body 18 and the second baffle body 19. Between the first contact surface and the second contact surface is a U-shaped inner cavity of the front baffle upper beam 13, and the first baffle body 18 closes the side opening of the front baffle upper beam 13, thereby forming a first cavity which extends along the entire length of the front baffle upper beam 13.

As shown in fig. 1 to 3, the front fender lower beam includes a front fender lower beam upper body 15 and a front fender lower beam lower body 14, the upper end of the front fender lower beam upper body 15 is connected to the front fender upper beam 13, the lower end of the front fender lower beam upper body 15 is connected to the front fender lower beam lower body 14, the front fender lower beam lower body 14 is connected to the front fender lower body 11, and the second cavity is formed by surrounding the front fender lower body 11 with the front fender lower beam upper body 15 and the front fender lower beam lower body 14. The front baffle lower beam upper body 15 and the front baffle lower beam lower body 14 are located below the second baffle 19, the upper ends of the front baffle upper beam 13 and the front baffle lower beam upper body 15 are fixedly connected with the second baffle 19 at the same position of the second baffle 19, the third contact surface is the upper end face of the front baffle lower beam upper body 15, the lower end of the front baffle lower beam upper body 15 is fixedly connected with one end of the front baffle lower beam lower body 14, the other end of the front baffle lower beam lower body 14 is fixedly connected with the second baffle 19, the end face of the front baffle lower beam lower body 14 is a fourth contact surface, and the third contact surface and the fourth contact surface are planes parallel to the second direction or included angles are formed between the third contact surface and the fourth contact surface and the second direction. The length of preceding baffle bottom end rail upper portion body 15 and preceding baffle bottom end rail lower part body 14 is the same or different, and the length direction and the second direction of preceding baffle bottom end rail upper portion body 15 and preceding baffle bottom end rail lower part body 14 are parallel or have the contained angle between the length direction and the second direction of preceding baffle bottom end rail upper portion body 15 and preceding baffle bottom end rail lower part body 14. The front baffle lower beam is of a beam body structure with a hollow interior, and the second baffle body 19 closes the side opening of the front baffle lower beam, so that a second cavity is formed, and the second cavity extends along the whole length direction of the front baffle lower beam.

As shown in fig. 1 to 3, in the present invention, two cavity bodies are formed by connecting the front baffle upper beam 13, the front baffle lower beam lower body 14 and the front baffle lower beam upper body 15 at the cross sectionbase:Sub>A-base:Sub>A, so thatbase:Sub>A double-closed cross-section beam penetrating structure is used to connect two front longitudinal beam assemblies, the front baffle upper body 12 and the front baffle lower body 11, and further connect twobase:Sub>A-pillar assembly structures of the vehicle body side wall, and two parts of the first front longitudinal beam support plate 5 and the second front longitudinal beam support plate 6 are extensions of the cavity structure and are indirectly connected with thebase:Sub>A-pillar structure, thereby greatly improving the connection rigidity and mode at this position, improving the torsional rigidity and mode of the vehicle body asbase:Sub>A whole, and improving the intrusion resistance of collision safety. The automobile front baffle structure is characterized in that two cavity reinforcing structures penetrating left and right are additionally arranged on the front baffle upper body 12 and the front baffle lower body 11, so that the deformation resistance and the structural rigidity of the front baffle upper body 12 and the front baffle lower body 11 are improved, the condition that other parts such as an engine gearbox and the like enter the front baffle upper body 12 and the front baffle lower body 11 to cause passenger cabin deformation and the passenger living space is reduced to hurt passengers in the automobile collision process can be resisted, and the deformation resistance of the front baffle upper body 12 and the front baffle lower body 11 is improved; in addition, the double-cavity cross beam is equivalent to the fact that the rigidity of the two cross beams for lifting the upper body 12 and the lower body 11 of the front baffle is increased, the rigidity of the whole structure is increased, the vibration of an engine and the vibration of a chassis are reduced, the distortion of a vehicle body caused by the fact that the vehicle passes through an uneven road is reduced, noise is reduced and transmitted to a passenger compartment, and the comfort of the passenger compartment is improved.

As shown in fig. 1, 2 and 4, the front side member assembly includes a front side member body 1 and a first front side member support plate 5, the first front side member support plate 5 has a fifth contact surface and a sixth contact surface connected to the front baffle body, and a third cavity penetrating through the first front side member support plate 5 is formed at the connection between the fifth contact surface and the front baffle body and the connection between the sixth contact surface and the front baffle body. The first front longitudinal beam supporting plate 5 is located below the front baffle upper body 12, the first front longitudinal beam supporting plate 5 is a beam body structure with a U-shaped cross section, two ends of a side opening of the first front longitudinal beam supporting plate 5 are provided with flanges, a fifth contact surface and a sixth contact surface are outer surfaces of the two flanges, a U-shaped inner cavity of the first front longitudinal beam supporting plate 5 is arranged between the fifth contact surface and the sixth contact surface, the first baffle body 18 seals the side opening of the first front longitudinal beam supporting plate 5, and therefore a third cavity is formed and extends in the whole length direction of the first front longitudinal beam supporting plate 5. The first front longitudinal beam supporting plate 5 is fixedly connected with the first baffle body 18, the length direction of the front longitudinal beam body 1 is parallel to the first direction or an included angle is formed between the length direction of the front longitudinal beam body 1 and the first direction, the front longitudinal beam body 1 and the front longitudinal beam cover plate 2 are positioned between the first cavity and the third cavity, the first cavity is communicated with the third cavity, and the first cavity and the third cavity are both box-shaped cavities.

As shown in fig. 1, fig. 2, fig. 4 and fig. 16, the front side member assembly further includes a second front side member support plate 6 and a threshold connecting plate 8 connected to the second front side member support plate 6 and the front side member support plate body, the second front side member support plate 6 is located below the first front side member support plate 5, the front side member support plate body, the threshold connecting plate 8 and the second front side member support plate 6 surround to form a fourth cavity penetrating through the second front side member support plate 6 in the length direction, the fourth cavity is located below the third cavity, the front side member body 1 and the front side member cover plate 2 are also located between the second cavity and the fourth cavity, the second cavity and the fourth cavity are located on the same straight line parallel to the second direction, and the second cavity and the fourth cavity are communicated. The fourth cavity is a cavity formed by surrounding a threshold connecting plate 8, a second front longitudinal beam supporting plate 6 and a front baffle lower body 11, the upper end of the second front longitudinal beam supporting plate 6 is fixedly connected with the first baffle body 18 at the same position of the first baffle body 18 with the first front longitudinal beam supporting plate 5, the lower end of the second front longitudinal beam supporting plate 6 is positioned below the second baffle body 19, the lower end of the second front longitudinal beam supporting plate 6 is fixedly connected with one end of the threshold connecting plate 8, the other end of the threshold connecting plate 8 is fixedly connected with the second baffle body 19, and the threshold connecting plate 8 is positioned below the second baffle body 19.

In the invention, as shown in fig. 4, two front longitudinal beam support plates and a threshold connecting plate 8 are connected with a front baffle body at a section B-B to form two cavity bodies, so that a double-closed-section cross beam penetrating structure is realized to connect two front longitudinal beam assemblies with a front baffle upper body 12 and a front baffle lower body 11, a front baffle upper cross beam 13, a front baffle lower cross beam lower body 14 and a front baffle lower cross beam upper body 15 are further connected, and a first front longitudinal beam support plate 5 and a second front longitudinal beam support plate 6 are connected with a body side wall A column assembly, so that the connection rigidity and the mode at the position are greatly improved, the torsion rigidity and the mode of the whole automobile body are also improved, and the intrusion resistance strength of collision safety is improved.

As shown in fig. 1, 2, 4 and 16, the front side member assembly further includes a front baffle supporting plate 16, the front baffle supporting plate 16 and the first front side member supporting plate 5 are located at two opposite sides of the front baffle body, the front baffle supporting plate 16 has a seventh contact surface and an eighth contact surface connected to the front baffle body, and a fifth cavity penetrating through the front baffle body along the length direction of the first front side member supporting plate 5 is formed at the connection position of the seventh contact surface and the eighth contact surface and the front baffle body. The front baffle supporting plate 16 is located below the front baffle upper body 12, the front baffle supporting plate 16 is of a beam body structure with a U-shaped cross section, two ends of a side opening of the front baffle supporting plate 16 are provided with flanges, a seventh contact surface and an eighth contact surface are outer surfaces of the two flanges, a U-shaped inner cavity of the front baffle supporting plate 16 is arranged between the seventh contact surface and the eighth contact surface, the side opening of the front baffle supporting plate 16 is sealed by the first baffle body 18, so that a fifth cavity is formed, the fifth cavity extends in the whole length direction of the front baffle supporting plate 16, and the fifth cavity is a box-shaped cavity. The front baffle supporting plates 16 are fixedly connected with the first baffle body 18, two front baffle supporting plates 16 are arranged symmetrically, and the two front baffle supporting plates 16 are fixedly connected with two ends of the first baffle body 18 in the length direction respectively. The front baffle supporting plate 16 and the first front longitudinal beam supporting plate 5 are connected with the first baffle body 18, the second front longitudinal beam supporting plate 6 and the threshold connecting plate 8 are connected with the second baffle body 19, and the upper end of the front baffle upper cross beam 13 is clamped between the front baffle upper body 12 and the first front longitudinal beam supporting plate 5. The front baffle supporting plate 16 is arranged to form a fifth cavity, so that the deformation resistance and the structural rigidity of the lower front baffle body 11 and the upper front baffle body 12 are further improved, the damage to passengers caused by deformation of a passenger compartment and reduction of the living space of the passengers due to the fact that other parts such as an engine gearbox and the like enter the lower front baffle body 11 and the upper front baffle body 12 in the automobile collision process can be resisted, and the deformation resistance of the lower front baffle body 11 and the upper front baffle body 12 is improved; in addition, the addition of 16 beams for forming a fifth cavity is equivalent to the addition of 1 beam for improving the rigidity of the lower body 11 and the upper body 12 of the front baffle, the whole structural rigidity is increased, the vehicle body distortion caused by the fact that an automobile passes through an uneven road is reduced due to engine vibration and chassis vibration, the noise is reduced and is transmitted to a passenger compartment, and the comfort of the passenger compartment is improved, wherein the beam 16 can be selectively added or deleted according to different configuration requirements of the vehicle body, for example: the high configuration version needs to meet the requirement of 5-star collision, the device is added, the basic type is low in configuration, and the device can be cancelled to reduce the cost and the selling price.

As shown in fig. 1, 2, 5 and 16, the front longitudinal beam assembly further includes a first front subframe rear mounting seat 3 and a second front subframe rear mounting seat 4 connected to the front baffle body, the front baffle body and the first front subframe rear mounting seat 3 and the second front subframe rear mounting seat 4 surround to form a sixth cavity, the sixth cavity is a box-shaped cavity, and the first front subframe rear mounting seat 3 and the second front subframe rear mounting seat 4 are connected. The first front auxiliary frame rear mounting seat 3 and the second front auxiliary frame rear mounting seat 4 are fixedly connected with the same end of the front longitudinal beam body 1, and the first front auxiliary frame rear mounting seat 3 and the second front auxiliary frame rear mounting seat 4 are vertically arranged.

As shown in fig. 1, 2, 5 and 16, the first front longitudinal beam support plate 5, the second front longitudinal beam support plate 6 and the threshold connecting plate 8 are fixedly connected to the first front sub-frame rear mounting seat 3, the first front longitudinal beam support plate 5, the second front longitudinal beam support plate 6 and the threshold connecting plate 8 are located on the same side of the first front sub-frame rear mounting seat 3, the first front sub-frame rear mounting seat 3 is located between the threshold connecting plate 8 and the second front sub-frame rear mounting seat 4, the first front longitudinal beam support plate 5, the second front longitudinal beam support plate 6 and the threshold connecting plate 8 extend toward the outer side of the first front sub-frame rear mounting seat 3, and the first front longitudinal beam support plate 5, the second front longitudinal beam support plate 6 and the threshold connecting plate 8 of the two front longitudinal beam assemblies respectively extend to the two end edges in the length direction of the front baffle lower body 11. Preceding fender entablature 13 and preceding fender bottom end rail are located between the sub vehicle frame rear mount pad 4 before the second of two front longitudinal assembly, and preceding fender entablature 13 both ends on the length direction respectively with the sub vehicle frame rear mount pad 4 fixed connection behind the second of two front longitudinal assemblies, preceding fender bottom end rail both ends on the length direction also respectively with the sub vehicle frame rear mount pad 4 fixed connection behind the second of two front longitudinal assemblies.

In the invention, the front baffle longitudinal beam reinforcing plate 17 at the section C-C, the front baffle lower body 11, the first front sub-frame rear mounting seat 3 and the second front sub-frame rear mounting seat 4 form a complete closed cavity or section on two front longitudinal beam assemblies, thereby greatly improving the deformation resistance and the collision energy transmission of the left and right front longitudinal beams in the collision safety.

As shown in fig. 1, 2, 5 and 16, the front longitudinal beam assembly further includes a front subframe rear mounting base reinforcing plate 9, the front subframe rear mounting base reinforcing plate 9 is located between the first front subframe rear mounting base 3 and the second front subframe rear mounting base 4, the front subframe rear mounting base reinforcing plate 9 is fixedly connected with the first front subframe rear mounting base 3 and the second front subframe rear mounting base 4, and the front subframe rear mounting base reinforcing plate 9 is located in the sixth cavity. The front auxiliary frame rear mounting seat reinforcing plate 9 is located below the front longitudinal beam body 1, the front auxiliary frame rear mounting seat reinforcing plate 9 is of a Z-shaped structure, and the rigidity and the strength of a front auxiliary frame rear mounting seat mounting point are improved due to the arrangement of the front auxiliary frame rear mounting seat reinforcing plate 9.

As shown in fig. 1, 2 and 16, the front longitudinal beam assembly further includes a front longitudinal beam cover plate 2 connected to the front longitudinal beam body 1, the front longitudinal beam body 1 is fixedly connected to the front baffle upper cross beam 13, the front baffle bodies (the front baffle upper body 12 and the front baffle lower body 11), the first front sub-frame rear mounting seat 3 and the second front sub-frame rear mounting seat 4, and the front longitudinal beam cover plate 2 is fixedly connected to the first front longitudinal beam support plate 5 and the second front longitudinal beam support plate 6. The front longitudinal beam body 1 is a beam body structure with a U-shaped cross section, the front longitudinal beam cover plate 2 is used for sealing a side opening of the front longitudinal beam body 1, the length direction of the front longitudinal beam cover plate 2 is consistent with the length direction of the front longitudinal beam body 1, and the front end of the front longitudinal beam cover plate 2 is aligned with the front end of the front longitudinal beam body 1.

As shown in fig. 1, 2 and 5, the automobile engine room assembly structure of the present invention further includes a front baffle longitudinal beam reinforcing plate 17, wherein the front baffle longitudinal beam reinforcing plate 17 has a ninth contact surface and a tenth contact surface connected to the front baffle body, and a seventh cavity is formed at the connection of the ninth contact surface and the tenth contact surface to the front baffle body. The front baffle longitudinal beam reinforcing plate 17 is located below the front baffle upper body 12, the front baffle longitudinal beam reinforcing plate 17 and the front baffle supporting plate 16 are located on the same side of the front baffle lower body 11, the front baffle longitudinal beam reinforcing plate 17 is a beam body structure with a U-shaped cross section, two ends of a side opening of the front baffle longitudinal beam reinforcing plate 17 are provided with flanges, a ninth contact surface and a tenth contact surface are outer surfaces of the two flanges, a U-shaped inner cavity of the front baffle longitudinal beam reinforcing plate 17 is arranged between the ninth contact surface and the tenth contact surface, the side opening of the front baffle longitudinal beam reinforcing plate 17 is sealed by the second baffle body 19, so that a seventh cavity is formed, the seventh cavity extends along the length direction of the front baffle longitudinal beam reinforcing plate 17, and the seventh cavity is a box-shaped cavity. Preceding baffle longeron reinforcing plate 17 and second baffle 19 fixed connection, preceding baffle longeron reinforcing plate 17 set up two and two preceding baffle longeron reinforcing plates 17 for symmetrical arrangement, two preceding baffle longeron reinforcing plates 17 respectively with the ascending both ends fixed connection in the length direction of second baffle 19, baffle longeron reinforcing plate 17 is located the below of a preceding baffle backup pad 16 respectively before each. The front baffle longitudinal beam reinforcing plate 17 is arranged, so that the collision deformation resistance of the front longitudinal beam assembly can be improved, and the functions of bearing and decomposing collision force in collision are achieved. Here, the front fender longitudinal beam reinforcing plate 17 can be selectively added or deleted according to different configuration requirements of the vehicle body, for example: the high configuration version needs to meet the requirement of 5-star collision, the device is added, the basic type is low in configuration, and the device can be cancelled to reduce the cost and the selling price.

As shown in fig. 1, 2 and 16, the front longitudinal beam assembly further includes a front baffle triangular beam connecting support 7, the front baffle triangular beam connecting support 7 is located on the outer side of the second front subframe rear mounting seat 4, the front baffle triangular beam connecting support 7 is fixedly connected with the second front subframe rear mounting seat 4, and the front baffle triangular beam connecting support 7 is further fixedly connected with the front baffle lower cross beam. Set up preceding baffle set-square beam linking bridge 7, realize that baffle bottom end rail upper portion body 15, the cavity structure of preceding baffle backup pad 16 is connected with the front longitudinal assembly and is run through respectively about realizing, further run through with the cavity structure of second front longitudinal backup pad 6 formation, be connected and strengthen with the A post, promoted the connection rigidity and the intensity of whole front longitudinal about, improved the ability of the anti collision deformation of baffle lower part body 11, preceding baffle upper portion body 12 before this body of preceding baffle, promoted collision security performance.

As shown in fig. 1 and 2, the vehicle cabin assembly structure includes the above-mentioned components, two adjacent components are connected by welding, riveting, bolt or other means, and two adjacent components are connected by spot welding or welding. The front longitudinal beam assembly is formed by connecting parts such as a front longitudinal beam body 1, a front longitudinal beam cover plate 2, a first front auxiliary frame rear mounting seat 3, a second front auxiliary frame rear mounting seat 4, a first front longitudinal beam supporting plate 5, a second front longitudinal beam supporting plate 6, a front baffle triangular beam left connecting support, a threshold connecting plate 8, a front auxiliary frame rear mounting seat reinforcing plate 9, a front longitudinal beam rear reinforcing plate 10 and the like together in a spot welding, riveting, bolt or other modes. If two front longitudinal beam assemblies are welded with a front baffle lower body 11, a front baffle upper body 12, a front baffle upper cross beam 13, a front baffle lower cross beam lower body 14, a front baffle lower cross beam upper body 15, two front baffle supporting plates 16 and two front baffle longitudinal beam reinforcing plates 17, the two front longitudinal beam assemblies can also be connected together through other processes such as spot welding, riveting, bolts and the like, and the spot welding and the welding are preferably carried out.

As shown in fig. 1 and fig. 2, the automobile engine compartment assembly structure includes the above components, and the components are sheet metal parts stamped by a steel plate stamping die. If spare parts such as front longitudinal body 1, front longitudinal apron 2, mount pad 3 behind the first front sub vehicle frame, mount pad 4 behind the sub vehicle frame before the second, first front longitudinal backup pad 5, second front longitudinal backup pad 6, the left linking bridge of front fender triangle-beam, threshold connecting plate 8, mount pad reinforcing plate 9 behind the front sub vehicle frame, reinforcing plate 10 behind the left front longitudinal adopt steel sheet stamping die stamping respectively to press, the design of different specifications can be selected for use according to the intensity demand to each spare part material and material thickness, preferred low carbon steel plate.

The structure is designed for the frame structure of the front cabin, the mounting point structure and the mounting point reinforcing structure can be added in the areas of the front longitudinal beam assembly, the front baffle body and the like according to the mounting requirements of different vehicle types, and reinforcing ribs, supporting plates, patch plates or higher-strength steel plates can be added properly according to different law collision working conditions for reinforcement, so that the invention is within the protection scope.

The automobile engine compartment assembly structure with the structure has the following advantages:

1. the engine compartment assembly structure is formed by welding about 29 steel plates, and the engine compartment assembly connected by welding or bolts or rivets can meet different safety collision requirements of vehicles with different safety performance requirements by adjusting the thickness of metal plates or the strength of steel plates or aluminum plate materials, and can also be locally enhanced in a mode of locally increasing patch plates or supporting plates to meet collision working conditions of different vehicle types. Meanwhile, parts with the same specification are designed to realize the universality of platform vehicles;

2. the novel structure of the engine room assembly of the invention has obvious improvement on the torsional rigidity, the mode and the dynamic rigidity of the white body framework assembly, greatly enhances the anti-collision deformation capability of the front room, adopts the front room assembly of the structure by taking a certain compact vehicle as an example, realizes that the torsional rigidity of the white body framework assembly is improved by 10 percent, the mode is improved by 2Hz, the safe collision performance is improved by 20 percent, the front collision safety performance is obviously improved, the collision energy can be well transmitted, and the passenger room and the battery pack can be effectively protected. Meanwhile, the high-speed noise of the whole vehicle is reduced, and the noise in a cab is reduced by analyzing the rough asphalt pavement at 80 km/h. In addition, the front cabin has simple structure process and is easy to implement;

3. the structure is simple, the weight is light, and the cost is low;

4. the welding or bolt or rivet connection process is simple and can be easily realized;

5. local rigidity and modal lifting are obvious, particularly, a collision force transmission path is reasonable in design, and collision safety performance can be obviously improved;

6. the structural frame can be developed as a platform, can be suitable for different vehicle type requirements, and can meet the collision safety requirement or the installation requirement by slightly locally enhancing aiming at different working conditions.

The invention also provides an automobile, which comprises the automobile engine room assembly structure with the structure. The specific structure of the car engine compartment assembly structure can refer to fig. 1 to 26, and the detailed description is omitted here. Since the automobile of the present invention includes the automobile engine room assembly structure in the above-described embodiment, it has all the advantages of the above-described automobile engine room assembly structure.

The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.

Claims (22)

1. Cabin assembly structure is sent out to car, including front longitudinal assembly and the preceding baffle body of being connected with front longitudinal assembly, its characterized in that: the front longitudinal beam assembly is connected with the front longitudinal beam assembly, the front baffle upper beam is connected with the front baffle upper beam and located below the front baffle upper beam, the front baffle upper beam is provided with a first contact surface and a second contact surface which are connected with the front baffle body, a first cavity which penetrates through the front baffle upper beam along the length direction is formed at the joint of the first contact surface, the second contact surface and the front baffle body, the front baffle lower beam is provided with a third contact surface and a fourth contact surface, and a second cavity which penetrates through the front baffle lower beam along the length direction is formed at the joint of the third contact surface, the fourth contact surface and the front baffle body.

2. The vehicle engine compartment assembly structure of claim 1 wherein: the third contact surface is positioned below the second contact surface, and the first contact surface is positioned above the second contact surface.

3. The vehicle engine compartment assembly structure of claim 1 wherein: the front baffle body comprises a front baffle upper body and a front baffle lower body, the lower end of the front baffle upper body is connected with the upper end of the front baffle lower body, the lower end of the front baffle lower body is connected with the front baffle lower cross beam, and the first contact surface is connected with the lower end of the front baffle upper body.

4. The vehicle engine compartment assembly structure of claim 3 wherein: the front baffle lower body is of a structure with an L-shaped cross section, the front baffle lower body comprises a first baffle body and a second baffle body which are connected, the first baffle body is connected with the lower end of the front baffle upper body and the second contact surface, the second baffle body is connected with the fourth contact surface, and the first cavity is formed by surrounding the first baffle body and the front baffle upper cross beam.

5. The automobile engine compartment assembly structure according to claim 3 or 4, wherein: the front baffle lower beam comprises a front baffle lower beam upper body and a front baffle lower beam lower body, the upper end of the front baffle lower beam upper body is connected with the front baffle upper beam or the front baffle body, the lower end of the front baffle lower beam upper body is connected with the front baffle lower beam lower body, the front baffle lower beam lower body is connected with the front baffle lower body, the second cavity is formed by surrounding the front baffle lower body with the front baffle lower beam upper body and the front baffle lower beam lower body.

6. The vehicle engine compartment assembly structure of claim 4 wherein: the front longitudinal beam assembly comprises a first front longitudinal beam supporting plate, the first front longitudinal beam supporting plate is provided with a fifth contact surface and a sixth contact surface which are connected with the front baffle body, and a third cavity which is arranged in a penetrating mode along the length direction of the first front longitudinal beam supporting plate is formed at the joint of the fifth contact surface and the sixth contact surface with the front baffle body.

7. The vehicle engine compartment assembly structure of claim 6 wherein: the front longitudinal beam assembly further comprises a second front longitudinal beam supporting plate and a threshold connecting plate which is connected with the second front longitudinal beam supporting plate and the front baffle body, the second front longitudinal beam supporting plate is located below the first front longitudinal beam supporting plate, the front baffle body, the threshold connecting plate and the second front longitudinal beam supporting plate are surrounded to form a fourth cavity which penetrates through the second front longitudinal beam supporting plate in the length direction, and the fourth cavity is located below the third cavity.

8. The automobile engine compartment assembly structure according to claim 6 or 7, wherein: the front longitudinal beam assembly further comprises a front baffle supporting plate, the front baffle supporting plate and the first front longitudinal beam supporting plate are located on two opposite sides of the front baffle body, the front baffle supporting plate is provided with a seventh contact surface and an eighth contact surface which are connected with the front baffle body, and a fifth cavity which penetrates through the front longitudinal beam supporting plate along the length direction of the first front longitudinal beam supporting plate is formed at the joint of the seventh contact surface and the eighth contact surface with the front baffle body.

9. The vehicle engine compartment assembly structure of claim 8 wherein: the front baffle supporting plate and the first front longitudinal beam supporting plate are connected with the second baffle body, and the second front longitudinal beam supporting plate and the threshold connecting plate are connected with the second baffle body.

10. The vehicle engine compartment assembly structure according to any one of claims 6 to 9, wherein: the front longitudinal beam assembly further comprises a first front auxiliary frame rear mounting seat and a second front auxiliary frame rear mounting seat which are connected with the front baffle body, the first front auxiliary frame rear mounting seat and the second front auxiliary frame rear mounting seat enclose to form a sixth cavity, and the first front auxiliary frame rear mounting seat and the second front auxiliary frame rear mounting seat are connected.

11. The vehicle engine compartment assembly structure of claim 10 wherein: the first front longitudinal beam supporting plate, the second front longitudinal beam supporting plate and the threshold connecting plate are connected with the first front auxiliary frame rear mounting seat, and the first front longitudinal beam supporting plate, the second front longitudinal beam supporting plate and the threshold connecting plate are located on the same side of the first front auxiliary frame rear mounting seat.

12. The vehicle engine compartment assembly structure of claim 10 wherein: the front longitudinal beam assembly further comprises a front auxiliary frame rear mounting seat reinforcing plate, the front auxiliary frame rear mounting seat reinforcing plate is located between the first front auxiliary frame rear mounting seat and the second front auxiliary frame rear mounting seat and is connected with the first front auxiliary frame rear mounting seat and the second front auxiliary frame rear mounting seat, and the front auxiliary frame rear mounting seat reinforcing plate is located in the sixth cavity.

13. The vehicle engine compartment assembly structure of claim 10 wherein: the front longitudinal beam assembly further comprises a front longitudinal beam body and a front longitudinal beam cover plate connected with the front longitudinal beam body, the front longitudinal beam body is connected with the front baffle upper cross beam, the front baffle body, the first front auxiliary frame rear mounting seat and the second front auxiliary frame rear mounting seat, and the front longitudinal beam cover plate is connected with the first front longitudinal beam support plate and the second front longitudinal beam support plate.

14. The vehicle engine compartment assembly structure according to any one of claims 6 to 13, wherein: the front baffle longitudinal beam reinforcing plate is provided with a ninth contact surface and a tenth contact surface which are connected with the front baffle body, and a seventh cavity is formed at the joint of the ninth contact surface and the tenth contact surface with the front baffle body.

15. The vehicle engine compartment assembly structure of claim 1 wherein: the automobile engine compartment assembly structure comprises a plurality of parts, and two adjacent parts are connected through welding, riveting or bolts.

16. The automotive engine compartment assembly structure of claim 15 wherein: the parts are metal plate-shaped parts.

17. The vehicle engine compartment assembly structure of any one of claims 1 to 16, wherein: the front longitudinal beam assembly is provided with two front longitudinal beam assemblies which are symmetrically arranged.

18. The vehicle engine compartment assembly structure of any one of claims 1 to 16, wherein: and the front longitudinal beam assembly and/or the front baffle body are/is provided with a mounting point structure and a mounting point reinforcing structure.

19. The vehicle engine compartment assembly structure of any one of claims 1 to 16, wherein: and reinforcing ribs are arranged on the front longitudinal beam assembly and/or the front baffle body.

20. The vehicle engine compartment assembly structure according to any one of claims 6 to 14, wherein: the front baffle upper cross beam and the first front longitudinal beam supporting plate are fixedly connected into a whole, the front baffle upper cross beam and the first front longitudinal beam supporting plate are integrally formed, and the first cavity is communicated with the third cavity.

21. The vehicle engine compartment assembly structure of claim 10 wherein: and the rear mounting seat of the first front auxiliary frame and the rear mounting seat of the second front auxiliary frame are fixedly connected into a whole.

22. An automobile, characterized in that: comprising the automotive engine compartment assembly structure of any one of claims 1 to 21.

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