CN111391926A - A kind of automobile front wall reinforcement structure and automobile - Google Patents

Abstract

The invention discloses an automobile front wall reinforcing structure and an automobile, wherein the automobile front wall reinforcing structure is arranged on a front wall plate and a front floor, a front row seat cross beam is arranged on the front floor, the front wall reinforcing structure at least comprises a reinforcing assembly, the reinforcing assembly comprises a first floor reinforcing longitudinal beam and a front wall reinforcing piece, the first floor reinforcing longitudinal beam and the front wall reinforcing piece are connected in a T shape, the first floor reinforcing longitudinal beam is arranged along the length direction of an automobile body and is vertically connected with the front row seat cross beam, part of the first floor reinforcing longitudinal beam is attached to the front wall plate, part of the first floor reinforcing longitudinal beam is attached to the front floor, the front wall reinforcing piece is attached to the front wall plate, and one end of the front wall reinforcing. This enclose additional strengthening before car at the biasing collision in-process through the reinforced component who sets up T type structure, can effectively protect passenger's cabin, prevents that the cabin from warping to the car in, prevents the steering column to the extrusion of car in, encloses additional strengthening through setting up preceding that the totality skeleton is the frame-type, can effectively optimize passenger's cabin pass power route, improve structural strength, effectively confront just colliding and the biasing bumps.

Description

A kind of automobile front wall reinforcement structure and automobile

technical field

The invention relates to the field of automobile body structures, in particular to an automobile front wall reinforcement structure and an automobile.

Background technique

The front panel of an automobile refers to the partition between the engine compartment and the carriage, which is connected with the floor and the front pillar, and is installed under the cover on the front panel. There are many holes on the front panel, which are used for the passage of pull wires, pull rods, pipelines and wire harnesses for manipulation, and also cooperate with the installation positions of pedals, square columns and other parts.

In frontal and offset collisions, the intrusion of components in the engine compartment into the cockpit will affect the safety of passengers. This intrusion is an important indicator for evaluating vehicle body safety in a crash test. In order to improve the safety of drivers and passengers in a collision accident and improve the evaluation in the crash test, the usual solution is to strengthen the strength of the front longitudinal beam or set up the reinforcement structure of the front wall of the car by setting the strengthening beam. In the existing technology, the reinforced structure layout of the front wall of the body and the unreasonable force transmission path will increase the cost of the body material and the weight of the body, and the effect is not obvious for models with large body size.

SUMMARY OF THE INVENTION

In order to solve the problems of the prior art, the present invention provides a front wall reinforcement structure, which has a simple structure and can effectively resist the deformation of the passenger compartment during the process of positive collision and offset collision.

In order to solve the above technical problems, the present invention provides the following first technical solution: an automobile front wall reinforcement structure, which is arranged on a front wall panel and a front floor, the front floor is provided with a front row seat beam, and the front wall The reinforcement structure at least includes a reinforcement assembly, the reinforcement assembly includes a first floor reinforcement longitudinal beam and a front wall reinforcement, and the two are connected in a T-shape, wherein the first floor reinforcement longitudinal beam is arranged along the length direction of the vehicle body and is connected with all the reinforcements. The front row seat beams are vertically connected, the first floor reinforcement longitudinal beams are partially attached to the front panel and partially attached to the front floor, and the front panel reinforcements are attached to the front panel One end of the hoarding is connected to the A-pillar.

In some embodiments, the cowl reinforcement includes a transition section, the transition section is connected to the first floor reinforcement stringer, and the transition section and the first floor reinforcement stringer form an included angle is an obtuse angle.

In some embodiments, the reinforcement assembly is provided on one side of the driver's seat.

In some embodiments, the front wall reinforcement structure further includes a middle channel reinforcement, the middle channel reinforcement is arranged in the center of the floor along the length direction of the vehicle body, and one end is connected with the front seat beam, the middle channel reinforcement The parts are partially attached to the front panel and partially attached to the front floor.

In some embodiments, the mid-channel reinforcement is vertically connected to the cowl reinforcement.

In some embodiments, the dash panel includes a dash cross member disposed on the outer side of the dash panel, the middle channel reinforcement and the dash cross member are respectively disposed on both sides of the dash panel, and the middle channel There are three layers of welding between the reinforcement, the front wall and the front wall beam.

In some embodiments, the cowl reinforcement structure further includes a second floor reinforcement longitudinal beam and a cowl lower stay plate disposed on the other side of the middle tunnel reinforcement relative to the reinforcement assembly, and the first floor reinforcement One end of the longitudinal beam is vertically connected with the front seat cross beam, and the other end is connected with the front wall lower brace.

In some embodiments, the second floor reinforcement longitudinal beam is partially attached to the dash panel and partially attached to the front floor, and the cowl lower stay is attached to the dash panel superior.

In some embodiments, the cowl lower brace and the cowl cross member are respectively disposed on two sides of the cowl panel, and there are three spaces between the cowl lower brace, the cowl panel and the cowl cross member. Layer welding.

In order to solve the above technical problems, the present invention also provides the following second technical solution: an automobile, which includes the automobile front wall reinforcement structure.

The beneficial effects brought by the technical solutions provided in the embodiments of the present invention are:

The invention protects a front wall reinforcement structure of an automobile and an automobile. The front wall reinforcement structure of the automobile is arranged on the front wall plate and the front floor, and the front seat beam is arranged on the front floor. The assembly includes a first floor reinforcement longitudinal beam and a front wall reinforcement, and the two are connected in a T-shape, wherein the first floor reinforcement longitudinal beam is arranged along the length of the vehicle body and is vertically connected to the front seat beam, and the first floor reinforcement longitudinal beam is The beam is partially attached to the front panel, and part is attached to the front floor, and the front panel reinforcement is attached to the front panel and one end is connected to the A-pillar. It can effectively protect the passenger compartment, prevent the cabin from deforming into the car, and prevent the steering column from being squeezed into the car;

By arranging the first floor reinforcement longitudinal beam, the second floor reinforcement longitudinal beam, and one end of the middle tunnel reinforcement member to be vertically connected to the front seat beam, in the event of a frontal collision or an offset collision, the front seat beam can be effectively Resist the impact force conducted by the first floor reinforcement stringer, the second floor reinforcement stringer or the center tunnel reinforcement, thereby limiting the deformation of the passenger compartment;

By setting the front wall reinforcement structure with the overall skeleton in a frame type, the force transmission path of the passenger compartment can be effectively optimized, the structural strength can be improved, and the front collision and offset collision can be effectively resisted.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a schematic diagram of the overall structure of an automobile front wall reinforcement structure provided in Embodiment 1 of the present invention when it is installed on a front wall panel and a front floor;

FIG. 2 is an assembly diagram of an automobile cowl reinforcement structure provided in Embodiment 1 of the present invention when it is installed on the cowl panel and the front floor;

FIG. 3 is a segmented schematic diagram of a vehicle cowl reinforcement structure provided in the first embodiment when it is installed on the cowl panel and the front floor;

4 is a schematic diagram of a vehicle front wall reinforcement structure provided by the present embodiment;

FIG. 5 is a schematic diagram of the structure of the outer side of the front panel.

Description of reference numbers:

110. Front wall reinforcement structure, 1. Front wall panel, 2. Front floor, 3. Front seat beam, 4. Reinforcing components, 5. First floor reinforcement longitudinal beam, 6. Front wall reinforcement, 61. No. A connecting section, 62, transition section, 63, second connecting section, 7, middle channel reinforcement, 8, cowl beam, 9, second floor reinforcement longitudinal beam, 10, cowl lower brace.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "X-axis", "Y-axis", "Z-axis", "perpendicular", "parallel", "upper", "lower", "front", "rear", "left" , "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, only In order to facilitate the description of the present invention and simplify the description, it is not indicated or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

A cowl reinforcement structure protected by the present invention will be described in detail below with reference to the accompanying drawings.

Example 1.

As shown in FIGS. 1 to 5 , the present embodiment provides an automobile front wall reinforcement structure 100 , which is arranged on the front wall panel 1 and the front floor 2 . The seat beam 3 and the dash beam 8 set on the outer side of the dash panel 1 cooperate to form a fence-type frame structure, so that the passenger compartment has a high structural strength, a clear force transmission path, and can effectively deal with positive and offset collisions. , which can effectively prevent the deformation of the passenger compartment during the collision.

Specifically, the cowl reinforcement structure 100 includes a first floor reinforcement longitudinal beam 5 , a cowl reinforcement member 6 , a middle channel reinforcement member 7 , a second floor reinforcement longitudinal beam 9 and a cowl lower stay 10 , wherein the first floor reinforcement The longitudinal beam 5 and the cowl reinforcement 6 are connected in a T-shape to constitute the reinforcement assembly 4 . The specific setting method is as follows: the first floor reinforcement longitudinal beam 5 is arranged along the length direction of the vehicle body and is vertically connected to the front seat cross beam 3, and the first floor reinforcement longitudinal beam 5 is partially attached to the front panel 1 and partially attached to the front On the floor 2, a cowl reinforcement 6 is attached to the cowl panel 1 and one end is connected to the A-pillar (not shown). The front wall reinforcement 6 is a strip-shaped piece with a certain bending, including a first connecting section 61, a transition section 62 and a second connecting section 63 connected in sequence, and the two are arranged at an angle, and the angles are all obtuse angles. . The first connecting section 61 is vertically connected with the middle channel reinforcement 7 , and the second connecting section 63 is vertically connected with the vehicle body below the A-pillar, so as to realize the force transmission effect of the cowl reinforcement 6 . The transition section 62 is connected with the first floor reinforcement longitudinal beam 5 , and the included angle α formed by the transition section 62 and the first floor reinforcement longitudinal beam 62 is an obtuse angle.

In the process of a frontal collision or an offset collision, when the body is subjected to an offset collision, the collision force is transmitted along the front wall reinforcement 6 to the connection between the front wall reinforcement 6 and the first floor reinforcement longitudinal beam 5, and the collision force passes through many The decomposition of each bending angle and the transmission of part of the collision force to the first floor reinforcement longitudinal beam 5 can effectively weaken the offset collision force, thereby reducing the deformation of the passenger compartment and improving the driving safety.

The reinforcing component 4 can be located on the side of the driver's seat or on the side of the passenger seat. This solution does not limit the setting position of the reinforcing component 4. As a preferred embodiment, in this embodiment, the reinforcing component 4 is provided on The driver's side to improve the safety of the driver's side.

The middle tunnel reinforcement 7 is arranged in the center of the floor along the length direction of the vehicle body, and one end is connected with the front seat beam 3 . The middle channel reinforcement 7 and the front wall beam 8 are respectively arranged on both sides of the front wall 1 , and the middle channel reinforcement 7 , the front wall 1 and the front wall beam 8 are welded in three layers. In this way, one end of the middle tunnel reinforcement 7 is pressed against the front seat beam 3, and the other end is pressed against the front wall beam 8 through the front panel 1 to form an "I"-shaped skeleton. When a frontal collision occurs, it can effectively The frontal collision force is offset, and the double support of the middle tunnel reinforcement 7 and the front seat beam can effectively prevent the deformation of the components in the cabin into the passenger compartment, further improving the safety of the passenger compartment.

The cowl reinforcement structure 100 further includes a second floor reinforcement longitudinal beam 9 and a cowl lower support plate 10 disposed on the other side of the middle channel reinforcement 7 relative to the reinforcement assembly 4. In this embodiment, the second floor reinforcement longitudinal beam 9 and The cowl stay 10 is provided on the passenger's seat side.

Wherein, one end of the first floor reinforcement longitudinal beam 9 is vertically connected with the front seat cross beam 3 , and the other end is connected with the cowl lower stay 10 . The second floor reinforcement longitudinal beam 9 is partially attached to the front wall panel 1 and partially attached to the front floor panel 2 , and the cowl lower stay plate 10 is attached to the front wall panel 1 . The cowl lower brace plate 10 and the cowl cross member 8 are respectively disposed on both sides of the cowl panel 1 , and three layers of welding are performed between the cowl lower brace plate 10 , the cowl panel 1 and the cowl cross beam 8 . Also, this structure can effectively resist the frontal collision and prevent the deformation of the components in the nacelle into the passenger compartment.

In this embodiment, the dash beam 8 is attached to the outer side of the passenger compartment of the dash panel 1, and its two ends are respectively connected with the left longitudinal beam and the right longitudinal beam in the nacelle, so as to achieve stability and control the opening of the front end of the vehicle body.

In this embodiment, in order to improve the connection strength between the components, welding is used for connection.

Therefore, the front wall reinforcement structure 100 in this embodiment has a simple structure and a clear force transmission path, and can effectively resist the offset collision through the included T-shaped reinforcement components 4, and the middle channel reinforcement 7 and the front wall The "I"-shaped structure formed by the beam 8 and the front seat beam 3 can effectively resist positive collisions. Through the overall fence-like frame structure, it can effectively resist offset collisions and positive collisions, thereby effectively preventing the cabin from being slammed into the occupants. Deformation in the cabin and lateral deformation of the passenger compartment to improve driving safety.

Example 2.

This embodiment provides an automobile, which includes the automobile front wall reinforcement structure described in the first embodiment. The cowl reinforcement structure 100 includes a first floor reinforcement longitudinal beam 5 , a cowl reinforcement member 6 , a middle channel reinforcement 7 , a second floor reinforcement longitudinal beam 9 and a cowl lower stay 10 , wherein the first floor reinforcement longitudinal beam 5 and the front wall reinforcement 6 are connected in a T-shape to constitute the reinforcement assembly 4 .

The automobile front wall reinforcement structure 100 cooperates with the front seat beam 3 arranged on the front floor 2 and the front wall beam 8 arranged on the outer side of the front wall 1 to form a fence type frame structure, so that the passenger compartment has a high structural strength , A clear force transmission path can effectively deal with frontal and offset collisions, and can effectively prevent the deformation of the passenger compartment during the collision.

It should be noted that the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall include within the protection scope of the present invention.

Claims (10)

1. The utility model provides a enclose additional strengthening before car, locates before on bounding wall and the preceding floor, be equipped with front seat crossbeam on the preceding floor, its characterized in that: enclose additional strengthening before at least including strengthening the subassembly, strengthen the subassembly and include that first floor strengthens longeron and preceding encloses the reinforcement, and both are T type connection, wherein, first floor strengthens longeron along automobile body length direction setting and with front seat crossbeam is connected perpendicularly, first floor is strengthened longeron part and is pasted and locate preceding bounding wall is last, part pastes and locates on the preceding floor, preceding encloses the reinforcement and pastes and locate preceding bounding wall is last and one end and A post are connected.

2. The automobile cowl reinforcing structure according to claim 1, wherein: enclose the reinforcement before include the changeover portion, the changeover portion with longeron is strengthened to first floor is connected, just the changeover portion with the contained angle that longeron becomes is strengthened to first floor is the obtuse angle.

3. The automobile cowl reinforcing structure according to claim 1 or 2, characterized in that: the reinforcing component is arranged on one side of the driving position.

4. The automobile cowl reinforcing structure according to claim 1, wherein: the front wall reinforcing structure further comprises a middle channel reinforcing piece, the middle channel reinforcing piece is arranged in the center of the floor along the length direction of the vehicle body, one end of the middle channel reinforcing piece is connected with the front row seat beam, part of the middle channel reinforcing piece is attached to the front wall plate, and part of the middle channel reinforcing piece is attached to the front floor.

5. The automobile cowl reinforcing structure according to claim 4, wherein: the center tunnel reinforcement is vertically connected to the cowl reinforcement.

6. The automobile cowl reinforcing structure according to claim 4 or 5, wherein: the front wall plate comprises a front wall beam arranged on the outer side surface of the front wall plate, the middle channel reinforcing piece and the front wall beam are respectively arranged on two sides of the front wall plate, and three layers of welding are arranged among the middle channel reinforcing piece, the front wall plate and the front wall beam.

7. The automobile cowl reinforcing structure according to claim 6, wherein: enclose additional strengthening before still including relative strengthen the subassembly and locate the longeron is strengthened to the second floor of well passageway reinforcement opposite side and preceding enclose the lower backup pad, first floor strengthen longeron one end with front seat crossbeam is perpendicular to be connected, the other end with enclose the lower backup pad before and be connected.

8. The automobile cowl reinforcing structure according to claim 7, wherein: the second floor reinforcing longitudinal beam is partially attached to the front wall plate, partially attached to the front floor plate, and the front wall lower supporting plate is attached to the front wall plate.

9. The automobile cowl reinforcing structure according to claim 7 or 8, wherein: the front wall lower supporting plate and the front wall cross beam are respectively arranged on two sides of the front wall plate, and the front wall lower supporting plate, the front wall plate and the front wall cross beam are welded in three layers.

10. An automobile, characterized in that: which comprises the automobile cowl reinforcing structure as claimed in any one of claims 1 to 9.

Images