CN118025343A - Engine compartment boundary beam rear section main part, mounting structure and vehicle - Google Patents

Abstract

The invention relates to an engine compartment boundary beam rear section main body part, an installation structure and a vehicle. The engine cabin boundary beam rear section main body piece comprises an integrated cabin boundary beam rear section main body piece body; the body of the cabin boundary beam rear section main body is provided with a first connecting area connected with the left side engine cabin boundary beam rear section, a second connecting area connected with the right side engine cabin boundary beam rear section, a third connecting area connected with the engine cabin boundary beam front section, a fourth connecting area connected with the A column inner plate and a fifth connecting area connected with the front wall plate; the cabin side beam rear section main body part body is provided with an auxiliary frame mounting point and a skid hole; the first connecting area and the second connecting area of the cabin side beam rear section main body are provided with cavities, and the middle area of the cabin side beam rear section main body along the length direction is provided with a bulge. The invention solves the problems of more parts, complex assembly procedures and low precision in the rear section area of the prior engine room side beam, and can ensure the strength performance of the rear section area of the engine room side beam.

Description

Engine compartment boundary beam rear section main part, mounting structure and vehicle

Technical Field

The invention relates to the technical field of automobile bodies, in particular to an engine room boundary beam rear section main body part, an installation structure and a vehicle.

Background

With the continuous deduction of automobile development, especially the increasing popularization of new energy automobiles in the current stage, people are increasingly concerned about the fuel efficiency and the automobile body safety of automobiles. Meanwhile, the development trend of highly integrated and modularized automobiles also promotes the deep transformation of automobile body structures, and the development is towards a more simplified direction. The body-in-white welding assembly of an automobile generally comprises a floor assembly, a front cabin assembly, a left side wall assembly, a right side wall assembly, a top cover assembly and a rear wall assembly, wherein the front cabin assembly is particularly critical.

The front compartment assembly serves as a concentrated area of the vehicle's core function, carrying most of the body weight, and is required to handle impacts from different directions. Therefore, the structural design of the front compartment is generally complex and the number of parts is high. In the front cabin assembly, the rear section part structure of the cabin boundary beam assembly is of great importance to the whole vehicle performance, and influences the whole vehicle weight, the whole vehicle strength, the white vehicle body precision and the safety of passengers.

For the whole front cabin assembly of the automobile, the main bearing force is from the impact force of the front collision, and the cabin side beam assembly must have enough impact resistance and bending resistance. In addition, for automobile manufacturing, structural simplification and weight reduction have been the directions of intensive research in the industry, and therefore, how to achieve structural simplification and weight reduction while ensuring rigidity and strength of a vehicle has become an important research topic in the automobile technical field, and is also the directions of automobile design and manufacturing in the future.

CN 112758190A discloses an automobile engine room longitudinal beam assembly, which comprises a longitudinal beam main body, an outer lining plate and an engine bracket rear mounting plate, wherein the outer lining plate and the engine bracket rear mounting plate are respectively arranged on the left side and the right side of the longitudinal beam main body, the longitudinal beam main body comprises an engine room side beam rear section and a reinforcing component, the engine room side beam rear section comprises a horizontal beam and a bending beam arranged on the front side of the horizontal beam, the bending beam is bent from back to front upwards, and the reinforcing component is connected with the horizontal beam and the bending beam. The assembly of the rear section area of the engine cabin side beam and the strength of the rear section area of the engine cabin side beam are realized by arranging the outer lining plate, the engine bracket mounting plate, the reinforcing cross beam, the reinforcing component and the like, and the problems that parts are numerous, assembly procedures are complex and the light weight requirement of an automobile is difficult to meet exist.

Disclosure of Invention

In view of the above, the present invention aims to provide an engine room side beam rear section main body member, an installation structure and a vehicle, which solve the problems of numerous parts, complex assembly process, low precision and difficulty in achieving the light weight of an automobile in the existing engine room side beam rear section region, and can simultaneously ensure the strength performance of the engine room side beam rear section region.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

An engine cabin boundary beam rear section main body part comprises an integrated cabin boundary beam rear section main body part body;

The cabin side beam rear section main body is at least provided with a first connecting area used for being connected with the left side engine cabin side beam rear section, a second connecting area used for being connected with the right side engine cabin side beam rear section, a third connecting area used for being connected with the engine cabin side beam front section, a fourth connecting area used for being connected with the A column inner plate and a fifth connecting area used for being connected with the front wall plate;

the cabin side beam rear section main body part body is at least provided with a first auxiliary frame mounting point, a second auxiliary frame mounting point, a first skid hole and a second skid hole;

The first connecting area and the second connecting area of the cabin side beam rear section main body are provided with cavities, and the middle of the cabin side beam rear section main body along the length direction is provided with a bulge.

According to the technical means, the integrated cabin side beam rear section main body piece is designed, so that the integrated cabin side beam rear section main body piece is provided with at least a first connecting area connected with the left side engine cabin side beam rear section, a second connecting area connected with the right side engine cabin side beam rear section, a third connecting area connected with the cabin side beam front section, a fourth connecting area connected with the A column inner plate and a fifth connecting area connected with the front wall plate, and at least a first auxiliary frame mounting point, a second auxiliary frame mounting point, a first skid hole and a second skid hole, and therefore, the integrated cabin side beam rear section main body piece is used for replacing a plurality of parts such as a left auxiliary frame mounting plate, a right auxiliary frame mounting plate and the like, and the perfect assembly with peripheral parts is skillfully realized, the assembly procedure is effectively simplified, the assembly efficiency, the assembly precision is improved, the production cost is reduced, the problems of more parts, the complex assembly procedure and the low precision of the existing engine cabin side beam rear section area are solved, and the light-weight of an automobile is realized; meanwhile, a cavity structure and a protruding structure are formed on the integrated cabin boundary beam rear section main body part body, so that collision energy absorption is realized, the strength of the cabin boundary beam rear section main body part body is improved, and the strength performance of an engine cabin boundary beam rear section area is ensured.

Preferably, the first connecting area and the second connecting area of the cabin side beam rear section main body are formed with cavities which gradually increase from the front to the rear of the vehicle.

Through the first connecting area and the second connecting area at cabin boundary beam back end main part body form the cavity that increases gradually after going to the car from the front, when the vehicle receives the frontal collision, the energy can be followed the preceding back of cavity and dispersed gradually, has promoted the collision performance of cabin boundary beam back end main part body greatly, has guaranteed the safety of driving and taking the cabin interior driver and passenger to effectively promoted the security performance of vehicle.

Preferably, the first subframe mounting point is provided at the first connection region.

Because the first connecting area of the cabin boundary beam rear section main body part body is provided with the left engine cabin boundary beam rear section, the traditional left auxiliary frame mounting point arranged on the left engine bracket mounting plate is transferred to the first connecting area, so that the threaded pipe for mounting the auxiliary frame is assembled with the cabin boundary beam rear section main body part body and the left engine cabin boundary beam rear section simultaneously, and the strength of the left auxiliary frame mounting point is ensured while parts are integrated.

Preferably, the second subframe mounting point is provided at the second connection region.

Because the second connecting area of the cabin boundary beam rear section main body part body is provided with the right engine cabin boundary beam rear section, the traditional right auxiliary frame mounting point arranged on the right engine bracket mounting plate is transferred to the second connecting area, so that the threaded pipe for mounting the auxiliary frame is assembled with the cabin boundary beam rear section main body part body and the right engine cabin boundary beam rear section simultaneously, and the strength of the right auxiliary frame mounting point is ensured while parts are integrated.

Preferably, the first sled hole is provided at a position between the first connection region and the fourth connection region.

The first skid holes are arranged at the positions between the first connecting area and the fourth connecting area, so that the positions of the first skid holes and the positions of the traditional skid holes are kept unchanged to adapt to the existing skid tool, and the improvement of the existing skid tool is effectively avoided.

Preferably, the second sled hole is provided at a position between the second connection region and the fourth connection region.

Through establish the position between second connection region and fourth connection region with the second skid hole for the position that the second skid hole and tradition set up remains unchanged, with the current skid frock of adaptation, has effectively avoided improving current skid frock.

Preferably, the cabin side beam rear section main body part body is provided with a longitudinal reinforcing rib and a transverse reinforcing rib.

The longitudinal reinforcing ribs and the transverse reinforcing ribs are arranged on the cabin edge beam rear section main body, so that the rigidity and the strength of the cabin edge beam rear section main body are further improved.

Preferably, the cabin boundary beam rear section main body is provided with a multifunctional mounting point.

Through set up multi-functional mounting point on cabin boundary beam back end main part body for pencil and/or pipeline are fixed, have promoted the commonality of cabin boundary beam back end main part body.

Preferably, the cabin boundary beam rear section main body part body is of an integrated thermal forming structure.

The cabin boundary beam rear section main body part body is manufactured in an integral thermoforming mode, so that the light weight of the cabin boundary beam rear section main body part body is effectively realized.

Preferably, the cabin side beam rear section main body part body is formed by welding two symmetrical sub-main body parts, and the two sub-main body parts are manufactured by adopting a thermoforming process.

The invention also provides an installation structure of the engine room side beam, which comprises the engine room side beam rear section main body piece, the left engine room side beam rear section, the right engine room side beam rear section and the front auxiliary frame rear part installation reinforcing plates;

the left side engine cabin side beam rear section is connected with the first connecting area of the cabin side beam rear section main body part body, and the right side engine cabin side beam rear section is connected with the second connecting area of the cabin side beam rear section main body part body;

And the rear section of the left engine room side beam and the rear section of the right engine room side beam are respectively provided with a front auxiliary frame rear mounting reinforcing plate.

Through set up preceding sub vehicle frame rear portion installation reinforcing plate on left side engine compartment boundary beam back end and right side engine compartment boundary beam back end to increase the intensity of first sub vehicle frame mounting point and second sub vehicle frame mounting point department, further effectively guaranteed the intensity of sub vehicle frame mounting point.

Preferably, the body of the main body of the rear section of the side beam is also provided with a reinforcing piece on the rear section of the side beam of the engine.

Preferably, the body of the cabin side beam rear section main body is provided with a skid positioning reinforcing member at the first skid hole and the second skid hole.

Through set up skid location reinforcement in first skid hole and second skid hole department, effectively promoted the intensity in skid hole department, avoided cabin boundary beam back end main part body and skid assembly in-process of using, caused the damage to cabin boundary beam back end main part body.

Preferably, the cabin side beam rear section main body, the left side engine cabin side beam rear section and the front auxiliary frame rear mounting reinforcing plate are connected through a front auxiliary frame rear mounting threaded pipe.

Through adopting the front auxiliary frame rear mounting screwed pipe to run through cabin boundary beam back end main part body, left side engine cabin boundary beam back end and front auxiliary frame rear portion installation reinforcing plate simultaneously, effectively guaranteed the joint strength of left side auxiliary frame mounting point.

Preferably, the cabin side beam rear section main body, the right side engine cabin side beam rear section and the front auxiliary frame rear mounting reinforcing plate are connected through a front auxiliary frame rear mounting threaded pipe.

Through adopting the front auxiliary frame rear mounting screwed pipe to run through cabin boundary beam back end main part body, right side engine cabin boundary beam back end and front auxiliary frame rear portion installation reinforcing plate simultaneously, effectively guaranteed the joint strength of right side auxiliary frame mounting point.

Preferably, a cavity structure is formed between the body of the rear section of the side beam and the rear section of the left side engine side beam.

By forming the cavity structure between the body of the body part of the rear section of the cabin edge beam and the rear section of the left side engine cabin edge beam, the left side front and left side collision performance of the installation structure of the engine cabin edge beam is further improved.

Preferably, a cavity structure is formed between the rear section of the left engine room side beam and the rear mounting reinforcing plate of the front auxiliary frame.

By forming a cavity structure between the rear section of the left engine room side beam and the rear mounting reinforcing plate of the front auxiliary frame, the left front and left side collision performance of the mounting structure of the engine room side beam is further improved.

Preferably, a cavity structure is formed between the body of the rear section of the side beam and the rear section of the right side engine side beam.

By forming the cavity structure between the body of the cabin edge beam rear section main body and the rear section of the right-side engine cabin edge beam, the right-side front and right-side collision performance of the installation structure of the engine cabin edge beam is further improved.

Preferably, a cavity structure is formed between the rear section of the right engine room side beam and the rear mounting reinforcing plate of the front auxiliary frame.

By forming a cavity structure between the rear section of the right engine room side beam and the rear mounting reinforcing plate of the front auxiliary frame, the right front and right side collision performance of the mounting structure of the engine room side beam is further improved.

Preferably, the mounting structure of the engine room side beam further comprises an engine room side beam front section, an A column inner plate, a front wall plate and an A column connecting piece;

the front section of the engine side beam is connected with a third connecting area of the main body of the rear section of the side beam, the A column inner plate is connected with a fourth connecting area of the main body of the rear section of the side beam, the front wall plate is connected with a fifth connecting area of the main body of the rear section of the side beam, and the main body of the rear section of the side beam, the A column inner plate and the front wall plate form a cavity together;

and the A column connecting piece is connected with a fifth connecting area of the cabin side beam rear section main body.

Through making cabin boundary beam back end main part body, A post inner panel and preceding wallboard form the cavity structure jointly, further promoted the overall collision performance of the mounting structure of engine cabin boundary beam.

The invention also provides a vehicle, which comprises the mounting structure of the engine cabin boundary beam.

The invention has the beneficial effects that:

According to the body piece of the rear section of the engine room side beam, at least a first connecting area connected with the rear section of the left engine room side beam, a second connecting area connected with the rear section of the right engine room side beam, a third connecting area connected with the front section of the cabin side beam, a fourth connecting area connected with an inner plate of an A column and a fifth connecting area connected with a front wall plate are arranged on the body piece of the rear section of the cabin side beam, and at least a first auxiliary frame mounting point, a second auxiliary frame mounting point, a first skid hole and a second skid hole are arranged, so that the body piece of the rear section of the cabin side beam at least replaces a plurality of parts such as a left auxiliary frame mounting plate, a right auxiliary frame mounting plate and the like of the traditional automobile body, the assembly procedure is greatly simplified, the number of parts is reduced, the assembly precision is greatly improved, the production cost is lowered, the parts in the assembly procedure is complex, and the light-weight problem of automobiles is solved; meanwhile, a cavity structure and a protruding structure are formed on the integrated cabin edge beam rear section main body part body so as to realize collision energy absorption, and the strength of the cabin edge beam rear section main body part body is improved, so that the strength performance of an engine cabin edge beam rear section area is guaranteed, and the integrated cabin edge beam rear section main body part has popularization and application values in the technical field of automobile bodies.

Drawings

FIG. 1 is a schematic view (unitary) of an engine compartment boundary beam rear body member of the present invention;

FIG. 2 is a schematic structural view (split) of the rear body member of the engine room side rail of the present invention;

FIG. 3 is a schematic view of the left side sub-body member of the rear body member of the engine room side rail of the present invention;

FIG. 4 is a schematic structural view of an engine room side rail rear section body member (left side sub body member), a left side engine room side rail rear section, a front subframe rear mounting reinforcement plate, and an engine room side rail rear section reinforcement assembly of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a schematic structural view of a rear section of a left side engine compartment boundary beam;

FIG. 7 is a schematic view of the structure of a rear mounting reinforcement plate of a front subframe;

FIG. 8 is a schematic structural view of an engine room side rail mounting structure of the present invention;

FIG. 9 is another structural schematic view of the mounting structure of the engine room side rail of the present invention;

FIG. 10 is a schematic cross-sectional view of an engine compartment boundary beam mounting structure of the present invention;

FIG. 11 is another cross-sectional schematic view of the mounting structure of the engine compartment boundary beam of the present invention;

Wherein, the body of the rear section main body part of the 1-cabin side beam, the first connecting area, the second connecting area, the third connecting area, the fourth connecting area and the fifth connecting area are respectively arranged at the two ends of the body, the first connecting area, the second connecting area, the third connecting area, the fourth connecting area and the fifth connecting area, 16-a first auxiliary frame mounting point, 17-a first auxiliary frame mounting point, 18-a first skid hole, 19-a second skid hole, 110-a longitudinal reinforcing rib, 111-a transverse reinforcing rib and 112-a multifunctional mounting point; 2-the rear section of the side beam of the left side engine room, 21-a first lap joint area, 22-a second lap joint area, 23-a third lap joint area and 24-a fourth lap joint area; 3-rear section of the side beam of the right engine compartment; 4-front section of the engine compartment boundary beam; a 5-A column inner plate; 6-a front wall panel; 7, a reinforcing plate and 71-flanging are arranged at the rear part of the front auxiliary frame; 8-a reinforcing piece on the rear section of the engine room boundary beam; 9-skid positioning reinforcement; 10-installing a threaded pipe behind the front auxiliary frame; 20-a column connector.

Detailed Description

Further advantages and effects of the present invention will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.

It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

In the following description, numerous details are discussed to provide a more thorough explanation of embodiments of the present application, however, it will be apparent to one skilled in the art that embodiments of the present application may be practiced without these specific details.

The invention aims to disclose an engine room boundary beam rear section main body part, a mounting structure and a vehicle, so as to solve the problems that the existing engine room boundary beam rear section area is numerous in parts, complex in assembly process and low in precision, and the aim of light weight of an automobile is difficult to achieve, and meanwhile, the strength performance of the engine room boundary beam rear section area can be guaranteed.

As shown in fig. 1 to 11, an engine cabin side beam rear section main body member comprises an integrated cabin side beam rear section main body member body 1;

The body 1 of the body part of the rear section of the cabin edge beam has at least a first connection area 11 for connecting with the rear section 2 of the left side engine cabin edge beam, a second connection area 12 for connecting with the rear section 3 of the right side engine cabin edge beam a third connection region 13 for connection to the engine compartment boundary beam front section 4, a fourth connection region 14 for connection to the a-pillar inner panel 5, and a fifth connection region 15 for connection to the front wall panel 6;

The cabin side beam rear section main body part body 1 is at least provided with a first auxiliary frame mounting point 16, a second auxiliary frame mounting point 17, a first skid hole 18 and a second skid hole 19;

The first connection region 11 and the second connection region 12 of the cabin side beam rear section main body 1 are formed with cavities, and the middle of the cabin side beam rear section main body 1 along the length direction is formed with a bulge.

The integrated cabin side beam rear section main body piece is designed to at least comprise a first connecting area connected with the left side engine cabin side beam rear section, a second connecting area connected with the right side engine cabin side beam rear section, a third connecting area connected with the cabin side beam front section, a fourth connecting area connected with the A column inner plate and a fifth connecting area connected with the front wall plate, and at least comprise a first auxiliary frame mounting point, a second auxiliary frame mounting point, a first skid hole and a second skid hole, so that the integrated cabin side beam rear section main body piece at least replaces a plurality of parts such as a left auxiliary frame mounting plate, a right auxiliary frame mounting plate and the like, the perfect assembly with peripheral parts is skillfully realized, the assembly process is effectively simplified, the assembly efficiency is improved, the assembly precision is improved, the production cost is reduced, the problems of numerous parts, the assembly process is complex and the precision is low in the existing engine cabin side beam rear section area are solved, and the purpose of light weight of an automobile is realized; meanwhile, a cavity structure and a protruding structure are formed on the integrated cabin boundary beam rear section main body part body, so that collision energy absorption is realized, the strength of the cabin boundary beam rear section main body part body is improved, and the strength performance of an engine cabin boundary beam rear section area is ensured.

In some embodiments, in order to enhance the energy rapidly dispersed when the vehicle is involved in a frontal collision, thereby enhancing the collision performance of the vehicle, the first connection region 11 and the second connection region 12 of the body 1 of the rocker rear section are each formed as a cavity that gradually increases from the front to the rear of the vehicle, so that the body 1 of the body of the rocker rear section, assembled with the left side rear section 2 of the engine rocker and the right side rear section 3 of the engine rocker rear section, can form a cavity structure that gradually increases from the front to the rear of the vehicle. Therefore, when the vehicle is subjected to a frontal collision, energy can be gradually dispersed from the front surface to the rear surface of the cavity, and meanwhile, when the vehicle is subjected to a side collision, the energy can be rapidly dispersed to two sides of the cavity, so that the collision performance of the cabin boundary beam rear section main body part body is greatly improved, the safety of drivers and passengers in a driving cabin is ensured, and the safety performance of the vehicle is effectively improved.

The cavity formed by the first connection region 11 and the second connection region 12 of the body member body 1 at the side sill rear section is, for example, a cavity gradually increasing in size from the front to the rear in the vehicle Y direction. The cabin boundary beam rear section main body 1 provided with the cavity with gradually enlarged size along the Y direction of the automobile is used as a part on the automobile body, when the automobile is subjected to frontal collision, collision energy can be effectively dispersed to two sides of the Y direction of the automobile, so that the safety performance of the automobile is improved, and the safety of drivers and passengers is ensured. The cavity may be understood as a recess formed in the first connection region 11 and the second connection region 12.

In some embodiments, conventional left side subframe mounting points are provided on the left side engine bracket mounting plate and by providing a reinforcing plate at the left side subframe mounting point on the left side engine bracket mounting plate, the connection strength of the subframe mounting points is ensured. In this embodiment, since the left side engine side rail rear section 2 is provided at the first connection region 11 of the side rail rear section main body 1, in order to realize integration of the conventional left side engine bracket mounting plate onto the engine side rail rear section main body 1 while securing the strength of the sub-frame mounting point, the first sub-frame mounting point 16 is provided at the first connection region 11 so that the sub-frame screw mounting tube at the first sub-frame mounting point 16 can be connected with the engine side rail rear section main body 1 and the left side engine side rail rear section 2 at the same time.

In some embodiments, conventional right side subframe mounting points are provided on the right side engine bracket mounting plate and by providing a reinforcing plate at the right side subframe mounting point on the right side engine bracket mounting plate, the connection strength of the subframe mounting points is ensured. Since the right side engine side beam rear section 3 is provided at the second connection region 12 of the side beam rear section main body 1, in order to integrate the conventional right side engine bracket mounting plate onto the engine side beam rear section main body 1 while securing the strength of the sub-frame mounting point, the second sub-frame mounting point 17 is provided at the second connection region 12, so that the sub-frame screw mounting tube at the second sub-frame mounting point 17 can be connected with the engine side beam rear section main body 1 and the right side engine side beam rear section 3 at the same time.

In some embodiments, since the body 1 of the body member of the rear section of the engine room side rail is integrated with the conventional outer liner panel of the rear section of the left side engine room side rail, the first slider hole 18 is provided at a position between the first connection region 11 and the fourth connection region 14, so that the position of the first slider hole 18 is kept unchanged from the position of the slider hole conventionally provided on the outer liner panel of the rear section of the left side engine room side rail.

In some embodiments, since the body 1 of the body member of the rear section of the engine room side rail is integrated with the conventional outer liner panel of the rear section of the right side engine room side rail, the second skid holes 19 are provided at positions between the second connection region 12 and the fourth connection region 14, so that the positions of the second skid holes 19 are kept unchanged from the positions of the skid holes conventionally provided on the outer liner panel of the rear section of the right side engine room side rail.

In some embodiments, to further enhance the rigidity of the body of the rocker rear section, longitudinal ribs 110 and transverse ribs 111 are formed on the body of the rocker rear section 1.

In some embodiments, to further enhance the versatility of the body of the rocker rear section, a multifunctional mounting point 112 is provided on the body 1 of the body of the rocker rear section. The number of the multifunctional mounting points 112 can be adaptively set according to practical situations.

Illustratively, the multifunctional mounting point 112 provided on the cabin side beam rear-section main body 1 may be used as a wire harness mounting point or a pipe mounting point.

In some embodiments, to achieve the light weight of the body of the rear section of the cabin edge beam, the body 1 of the body of the rear section of the cabin edge beam is manufactured in an integral thermoforming manner. Experiments show that compared with the common cold-rolled sheet, the weight of the main body of the rear section of the cabin edge beam formed by thermoforming can be reduced by about 30 percent.

The thickness of the plate for preparing the cabin edge beam rear section main body part body 1 is 1.5-2.5 mm.

In some embodiments, when the overall length of the plate is not suitable for manufacturing the integrated body 1 of the rear section body of the cabin edge beam, two mutually symmetrical sub-body parts can be welded, and the two sub-body parts can specifically comprise a left sub-body part and a right sub-body part, so that the utilization rate of materials is improved, and in order to realize the light weight of the body of the rear section body of the cabin edge beam, the two sub-body parts are manufactured by adopting a thermoforming process. The two main body parts are symmetrical in configuration, specific details such as reinforcing ribs and multifunctional mounting points on the two main body parts can be slightly different, and the two main body parts are adaptively arranged according to actual conditions.

For example, in order to further achieve the light weight of the automobile, the left side engine room side beam rear section 2 and the right side engine room side beam rear section 3 are manufactured in an integral thermoforming mode, and the thickness of the plate for manufacturing the left side engine room side beam rear section 2 and the right side engine room side beam rear section 3 is between 2.0 and 2.5 mm.

For example, in order to further achieve the light weight of the automobile, the front auxiliary frame rear mounting reinforcing plate 7 is manufactured in an integral thermoforming mode, and the thickness of the plate for manufacturing the front auxiliary frame rear mounting reinforcing plate 7 is 1.5-2.5 mm.

In some embodiments, there is also provided a mounting structure of an engine room side rail, including the engine room side rail rear section main body member, the left side engine room side rail rear section 2, the right side engine room side rail rear section 3, and the front subframe rear mounting reinforcement plate 7 in any of the above embodiments;

the left side engine room side beam rear section 2 is connected with a first connecting area 11 of the room side beam rear section main body part body 1, and the right side engine room side beam rear section 3 is connected with a second connecting area 12 of the room side beam rear section main body part body 1;

in order to further ensure the strength of the mounting points of the auxiliary frame, a front auxiliary frame rear mounting reinforcing plate 7 is arranged on the left side engine room side beam rear section 2 and the right side engine room side beam rear section 3.

Illustratively, a front subframe rear mounting reinforcement plate 7 is provided on the left side engine room side rail rear section 2, and a front subframe rear mounting reinforcement plate 7 is also provided on the right side engine room side rail rear section 3.

In some embodiments, the body 1 of the body of the rear section of the rocker is further provided with a reinforcement 8 of the rear section of the rocker.

In some embodiments, in order to improve strength at the skid holes, skid positioning reinforcement 9 is provided at both the first and second skid holes 18 and 19 on the rocker rear body member body 1.

In some embodiments, to ensure the strength of the left side subframe mounting point, the cabin side rail rear section main body 1, the left side engine cabin side rail rear section 2 and the front subframe rear mounting reinforcement plate 7 are connected by the front subframe rear mounting screw tube 10.

Illustratively, the left side engine room side beam rear section 2 and the front subframe rear mounting reinforcement plate 7 are also provided with subframe mounting points at positions corresponding to the first subframe mounting points 16, so that the front subframe rear mounting screw pipe 10 penetrates simultaneously through the first subframe mounting points 16 on the room side beam rear section main body 1, the subframe mounting points on the left side engine room side beam rear section 2 and the subframe mounting points on the front subframe rear mounting reinforcement plate 7, thereby penetrating simultaneously through the cavity formed between the room side beam rear section main body 1 and the left side engine room side beam rear section 2, and the cavity formed between the left side engine room side beam rear section 2 and the front subframe rear mounting reinforcement plate 7, so as to greatly improve the connection strength and collision performance of the left side subframe mounting points.

In some embodiments, to ensure the strength of the right sub-frame mounting point, the cabin side rail rear section main body 1, the right engine cabin side rail rear section 3, and the front sub-frame rear mounting reinforcement plate 7 are connected by the front sub-frame rear mounting screw pipe 10.

Illustratively, the right side engine room side rail rear section 3 and the front subframe rear mounting reinforcement plate 7 are also provided with subframe mounting points at positions corresponding to the second subframe mounting points 17, so that the front subframe rear mounting screw pipe 10 penetrates through the second subframe mounting points 17 on the room side rail rear section main body member body 1, the subframe mounting points on the right side engine room side rail rear section 3 and the subframe mounting points on the front subframe rear mounting reinforcement plate 7 at the same time, thereby penetrating through the cavity formed between the room side rail rear section main body member body 1 and the right side engine room side rail rear section 3, and the cavity formed between the right side engine room side rail rear section 3 and the front subframe rear mounting reinforcement plate 7 at the same time, so as to greatly improve the connection strength and collision performance of the right side subframe mounting points.

Illustratively, the cabin side beam rear section main body 1 is connected with the front auxiliary frame rear mounting threaded pipe 10 by arc welding, and the right side engine cabin side beam rear section 3 and the front auxiliary frame rear mounting reinforcing plate 7 are connected with the front auxiliary frame rear mounting threaded pipe 10 by spot welding.

In some embodiments, to enhance the left side frontal and left side impact performance of the mounting structure of the engine roof side rail, a cavity structure is formed between the roof side rail rear body member body 1 and the left side engine roof side rail rear section 2.

In some embodiments, in order to enhance the left frontal and left side impact performance of the mounting structure of the engine room side rail, a cavity structure is also formed between the left engine room side rail rear section 2 and the front subframe rear mounting reinforcement panel 7.

In some embodiments, to enhance right side frontal and right side impact performance of the mounting structure of the engine roof side rail, a cavity structure is formed between the roof side rail rear body member body 1 and the right side engine roof side rail rear section 3.

In some embodiments, to enhance right side frontal and right side impact performance of the mounting structure of the engine room side rail, a cavity structure is also formed between the right side engine room side rail rear section 3 and the front subframe rear mounting reinforcement panel 7.

In some embodiments, the mounting structure of the engine room side rail further includes an engine room side rail front section 4, an a-pillar inner panel 5, a front wall panel 6, and an a-pillar connector 20;

The front section 4 of the engine side beam is connected with a third connecting area 13 of the main body part body 1 of the rear section of the side beam, the A column inner plate 5 is connected with a fourth connecting area 14 of the main body part body 1 of the rear section of the side beam, and the front wall plate 6 is connected with a fifth connecting area 15 of the main body part body 1 of the rear section of the side beam;

The a-pillar connection 20 is also connected to the fifth connection region 15 of the body member body 1 of the rocker rear section. Wherein the a-pillar connecting member 20 is connected to two fifth connecting regions 15 of the rocker rear section main body 1 near the front end of the vehicle.

In some embodiments, to enhance the overall collision performance of the mounting structure of the engine roof side rail, the roof side rail rear body member body 1, the a-pillar inner panel 5, and the front wall panel 6 together form a cavity.

As shown in fig. 11, the cavity structure formed by the body 1 of the body member of the rear section of the rocker, the a-pillar inner panel 5 and the front wall panel 6 is an integral large cavity structure in the Y direction of the automobile, and the left side rear section 2 of the rocker, the right side rear section 3 of the rocker and the front sub-frame rear mounting reinforcing plate 7 are provided in the large cavity structure. By means of the design, the left engine room side beam rear section 2, the right engine room side beam rear section 3 and the front auxiliary frame rear portion are provided with the reinforcing plate 7, so that the supporting piece is achieved, the whole engine room side beam rear section forms a firm cavity, strength and collision performance of the engine room side beam rear section are guaranteed, the mounting point positions of all parts are adjusted ingeniously, assembly of all parts of the engine room side beam rear section is achieved, and meanwhile the aim of automobile weight reduction is achieved.

The cavity structure formed by the cabin edge beam rear section main body 1, the a-pillar inner plate 5 and the front wall plate 6 is a gradually-increased structure from front to back, so that when the vehicle is collided, energy can be rapidly dispersed, and the overall collision performance of the installation structure of the engine cabin edge beam is improved.

In some embodiments, the left and right engine compartment rail rear sections 2, 3 are each of U-shaped configuration in cross-section in the width direction.

In some embodiments, in order to secure the overall connection strength of the mounting structure of the engine room side rail, it is set that the left side engine room side rail rear section 2 has a first overlap region 21 that is abutted against the bottom of the first connection region 11 of the room side rail rear section body member body 1, a second overlap region 22 that is overlapped against the side wall of the cavity of the room side rail rear section body member body 1, a third overlap region 23 that is overlapped against the front wall panel 6, and a fourth overlap region 24 that is overlapped against the engine room side rail front section 4.

In some embodiments, in order to secure the overall connection strength of the mounting structure of the engine room side rail, it is set that the right side engine room side rail rear section 3 has a fifth overlap region that is fitted to the bottom of the second connection region 12 of the room side rail rear section main body member body 1, a sixth overlap region that is overlapped with the side wall of the cavity of the room side rail rear section main body member body 1, a seventh overlap region that is overlapped with the front wall panel 6, and an eighth overlap region that is overlapped with the engine room side rail front section 4. It will be appreciated that the left and right engine compartment rail rear sections 2,3 differ only in the mounting location, but are similar in overlap relation to the peripheral components.

In some embodiments, the cross section of the front subframe rear mounting reinforcement plate 7 in the width direction is in a U configuration, and the flanges 71 on both sides are connected to the left side engine room side rail rear section 2 or the right side engine room side rail rear section 3.

There is also provided in some embodiments a vehicle including the mounting structure of the engine room side rail of any one of the above embodiments.

In summary, according to the body piece of the rear section of the engine room side beam, the body piece of the rear section of the cabin side beam is provided with at least the first connecting area connected with the rear section of the left engine room side beam, the second connecting area connected with the rear section of the right engine room side beam, the third connecting area connected with the front section of the cabin side beam, the fourth connecting area connected with the inner plate of the A column and the fifth connecting area connected with the front wall plate, and at least the first auxiliary frame mounting point, the second auxiliary frame mounting point, the first skid hole and the second skid hole, so that the body piece of the rear section of the integrated cabin side beam is designed in a manner of 'patching' for replacing at least the traditional left and right outer lining plates, the left and right auxiliary frame mounting plates and the like, the assembly process is greatly simplified, the assembly efficiency is improved, the assembly precision is reduced, the production cost is lowered, the problems of more parts, the complex assembly process and low weight of the existing automobile are solved, and the light-weight is realized; meanwhile, a cavity structure and a protruding structure are formed on the integrated cabin edge beam rear section main body part body so as to realize collision energy absorption, and the strength of the cabin edge beam rear section main body part body is improved, so that the strength performance of an engine cabin edge beam rear section area is guaranteed, and the integrated cabin edge beam rear section main body part has popularization and application values in the technical field of automobile parts.

The above embodiments are merely illustrative of the principles of the present application and its effectiveness, and are not intended to limit the application. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the application. It is therefore intended that all equivalent modifications and changes made by those skilled in the art without departing from the spirit and technical spirit of the present application shall be covered by the appended claims.

Claims (10)

1. An engine cabin boundary beam rear section main body piece is characterized by comprising an integrated cabin boundary beam rear section main body piece body (1);

The body (1) of the body of the rear section body of the cabin boundary beam is at least provided with a first connecting area (11) used for being connected with the rear section (2) of the left side engine cabin boundary beam, a second connecting area (12) used for being connected with the rear section (3) of the right side engine cabin boundary beam, a third connecting area (13) used for being connected with the front section (4) of the engine cabin boundary beam, a fourth connecting area (14) used for being connected with the inner plate (5) of the A column and a fifth connecting area (15) used for being connected with the front wall plate (6);

the cabin side beam rear section main body (1) is at least provided with a first auxiliary frame mounting point (16), a second auxiliary frame mounting point (17), a first skid hole (18) and a second skid hole (19);

The cabin edge beam rear section main body part comprises a cabin edge beam rear section main body part body (1), wherein a first connecting area (11) and a second connecting area (12) of the cabin edge beam rear section main body part body (1) are formed with cavities, and the middle of the cabin edge beam rear section main body part body (1) along the length direction is formed with a bulge.

2. The body member of the rear section of the engine roof side rail according to claim 1, wherein the first connection area (11) and the second connection area (12) of the body member body (1) of the rear section of the roof side rail are formed with a cavity that gradually increases from the front to the rear of the vehicle.

3. The engine room side rail rear section body part according to claim 1, characterized in that the first subframe mounting point (16) is provided at the first connection region (11);

and/or the second subframe mounting point (17) is provided at the second connection region (12);

and/or the first skid hole (18) is arranged at a position between the first connecting area (11) and the fourth connecting area (14);

and/or the second skid hole (19) is arranged at a position between the second connection region (12) and the fourth connection region (14).

4. The body member of the rear section of an engine side sill according to claim 1, wherein the body member body (1) of the rear section of the side sill is formed with a longitudinal rib (110) and a transverse rib (111);

And/or the cabin side beam rear section main body (1) is provided with a multifunctional mounting point (112).

5. The body part of the rear section of the engine room side beam according to claim 1, characterized in that the body part body (1) of the rear section of the side beam is of an integral thermo-formed structure;

or the cabin edge beam rear section main body (1) is formed by welding two symmetrical sub-main body parts, and the two sub-main body parts are manufactured by adopting a thermoforming process.

6. An engine room side rail mounting structure, characterized by comprising an engine room side rail rear section main body member according to any one of claims 1 to 5, a left side engine room side rail rear section (2), a right side engine room side rail rear section (3), and a front subframe rear mounting reinforcement plate (7);

The left side engine cabin side beam rear section (2) is connected with a first connecting area (11) of the cabin side beam rear section main body part body (1), and the right side engine cabin side beam rear section (3) is connected with a second connecting area (12) of the cabin side beam rear section main body part body (1);

The left side engine room side beam rear section (2) and the right side engine room side beam rear section (3) are provided with the front auxiliary frame rear mounting reinforcing plate (7).

7. The mounting structure of an engine room side rail according to claim 6, wherein the body (1) of the body of the back section of the side rail is further provided with an upper reinforcing member (8) of the back section of the side rail;

and/or, a skid positioning reinforcement (9) is arranged on the cabin side beam rear section main body (1) at the positions of the first skid hole (18) and the second skid hole (19);

And/or, the cabin side beam rear section main body (1), the left side engine cabin side beam rear section (2) and the front auxiliary frame rear mounting reinforcing plate (7) are connected through a front auxiliary frame rear mounting threaded pipe (10);

and/or the cabin side beam rear section main body (1), the right side engine cabin side beam rear section (3) and the front auxiliary frame rear mounting reinforcing plate (7) are connected through a front auxiliary frame rear mounting threaded pipe (10).

8. The mounting structure of an engine room side rail according to claim 6, wherein a cavity structure is formed between the room side rail rear section main body (1) and the left side engine room side rail rear section (2);

and/or a cavity structure is formed between the left engine room side beam rear section (2) and the front auxiliary frame rear mounting reinforcing plate (7);

And/or a cavity structure is formed between the cabin edge beam rear section main body (1) and the right engine cabin edge beam rear section (3);

and/or a cavity structure is formed between the rear section (3) of the right engine room side beam and the rear mounting reinforcing plate (7) of the front auxiliary frame.

9. The mounting structure of an engine room side rail according to claim 6, further comprising an engine room side rail front section (4), an a-pillar inner panel (5), a front wall panel (6) and an a-pillar connector (20);

The front section (4) of the engine side beam is connected with a third connecting area (13) of the main body (1) of the rear section of the side beam, the inner pillar A (5) is connected with a fourth connecting area (14) of the main body (1) of the rear section of the side beam, the front wall plate (6) is connected with a fifth connecting area (15) of the main body (1) of the rear section of the side beam, and a cavity is formed by the main body (1) of the rear section of the side beam, the inner pillar A (5) and the front wall plate (6) together;

the A-pillar connecting piece (20) is connected with a fifth connecting area (15) of the cabin side beam rear section main body piece body (1).

10. A vehicle comprising the mounting structure of an engine room side rail according to claim 6.