CN211731585U

CN211731585U - Front wall plate reinforcing structure

Info

Publication number: CN211731585U
Application number: CN202020073035.9U
Authority: CN
Inventors: 周学青; 王国军; 熊建华
Original assignee: Chongqing Branch of DFSK Motor Co Ltd
Current assignee: Chongqing Branch of DFSK Motor Co Ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-10-23
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a dash board additional strengthening relates to automobile body part technical field. The front wall reinforcing beam and the front wall reinforcing piece are arranged on the inner side of a front wall plate, two ends of the front wall reinforcing beam are fixedly connected with side wall assemblies on two sides of a vehicle respectively, one end of the front wall reinforcing piece is fixedly connected with a front windshield lower cover plate assembly, and the other end of the front wall reinforcing piece is fixedly connected with the lower part of the front wall plate; the middle part of the front wall reinforcing piece is fixedly connected with the front wall reinforcing beam to form a cross-shaped structure. The utility model provides a pair of longeron back end connection structure can solve the engine compartment space not enough, before enclose stiffening beam welding inconvenient and the not enough problem of collision energy transfer.

Description

Front wall plate reinforcing structure

Technical Field

The utility model relates to an automobile body part technical field especially relates to a dash board additional strengthening.

Background

The automobile front wall plate is an essential part of a vehicle, is responsible for separating an engine compartment and a cockpit, and is mainly used for protecting front passengers in front row well during frontal collision. With the vigorous development of the automobile industry and the improvement of the living standard of people, the requirement of people on the anti-collision of the front wall plate is higher and higher.

For better with collision energy transfer to frame and side wall, a horizontal stiffening beam of current motorcycle type general external design in the front wall, weld with front wall and both sides longeron anterior segment respectively. It has the following disadvantages and shortcomings: the structural size of the front wall plate reinforcing beam is large, and the arrangement of parts of an engine compartment is seriously influenced; the front wall plate reinforcing cross beam is welded with the frame longitudinal beams on the two sides, and the front wall plate reinforcing cross beam is very close to the front wheel shell, so that the welding is inconvenient, and the production efficiency is influenced; and the front wall plate and the front sections of the longitudinal beams on the two sides are only welded, so that the collision energy is not transmitted enough.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model discloses a main object provides a dash panel additional strengthening, can solve the engine compartment space not enough, before enclose stiffening beam welding inconvenient and the not enough problem of collision energy transfer.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

a front wall plate reinforcing structure is characterized by comprising a front wall reinforcing beam and a front wall reinforcing piece which are arranged on the inner side of a front wall plate, wherein two ends of the front wall reinforcing beam are fixedly connected with side wall assemblies on two sides of a vehicle respectively; the middle part of the front wall reinforcing piece is fixedly connected with the front wall reinforcing beam to form a cross-shaped structure.

Optionally, the front wall reinforcement beam comprises a first front wall cross beam, a second front wall cross beam and a third front wall cross beam which are connected in sequence.

Optionally, the middle part of the cowl reinforcement is fixedly connected with the joint of the first cowl cross member and the second cowl cross member.

Optionally, the cross sections of the first, second and third front wall cross beams are all "U" shaped.

Optionally, the edges of the first front wall cross beam, the second front wall cross beam and the third front wall cross beam are provided with flanges for welding with the front wall plate.

Optionally, a plurality of mounting holes for mounting parts in the cabin are formed in each of the front wall reinforcement, the first front wall cross beam, the second front wall cross beam and the third front wall cross beam, and an annular reinforcing structure is arranged around the mounting holes.

Optionally, the cowl reinforcement is shaped as a sled-like structure for connecting the cowl top assembly of the cowl upper portion with the cowl lower portion.

Optionally, CO is adopted between two ends of the front wall reinforcing beam and side wall assemblies on two sides of the vehicle₂And welding and fixing by shielded welding.

Optionally, the fixed connection is a welded, riveted, fastened connection.

Optionally, the fixed connection is a spot weld.

The utility model provides a pair of front boarding additional strengthening, enclose the stiffening member before installing before the front boarding inboard. The problem of insufficient arrangement space of the engine room is solved by arranging the front wall reinforcing beam and the front wall reinforcing piece on the inner side of the front wall plate; the front wall reinforcing beam and the front wall reinforcing piece are arranged inside the front wall plate and are respectively welded with the front wall plate, the frame longitudinal beam and the side wall assembly, so that the welding is more convenient; by fixedly connecting the middle part of the front wall reinforcing piece with the front wall reinforcing beam to form a cross-shaped structure, the front collision energy can be transmitted to the rear part from left to right and up and down, so that the deformation and displacement of the front wall plate are reduced to the minimum, and the front passengers are protected to the maximum extent.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a dash panel reinforcement structure provided in an embodiment of the present invention;

FIG. 2 is a structural schematic view of a cowl reinforcement according to the cowl reinforcement structure shown in FIG. 1;

FIG. 3 is a structural schematic view of a first cowl cross member according to the cowl reinforcing structure shown in FIG. 1;

FIG. 4 is a structural schematic view of a second cowl cross member according to the cowl reinforcing structure shown in FIG. 1;

FIG. 5 is a structural schematic view of a third cowl cross member according to the cowl reinforcing structure shown in FIG. 1;

FIG. 6 is a schematic view of a mounting structure of the cowl reinforcing structure shown in FIG. 1;

fig. 7 is a schematic view of the structure according to fig. 6 without the dash panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following description will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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", "vertical", "parallel", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 7, the present invention provides a dash panel reinforcement structure, which may generally include a dash reinforcement beam 2 and a dash reinforcement 3. The front wall reinforcing beam 2 and the front wall reinforcing part 3 are in a cross structure after being fixedly connected. The cross-shaped structure can transmit frontal collision energy to the rear part from left to right and up and down, so that the deformation and displacement of the front wall plate 1 are reduced to the minimum, and passengers in the front row are protected to the maximum extent. The cowl reinforcing beam 2 and the cowl reinforcement 3 are fixedly mounted inside the cowl panel 1 of the vehicle. The inner side of the dash panel 1 is the side of the dash panel 1 facing the cab of the vehicle. The two ends of the front wall stiffening beam 2 are respectively fixedly connected with the side wall assemblies 4 at the two sides of the vehicle. One end of the front wall reinforcement 3 is fixedly connected with the front windshield lower cover plate assembly 5. The other end of the cowl reinforcement 3 is fixedly connected to the lower portion of the cowl panel 1. Alternatively, the other end of the cowl reinforcement 3 is fixedly connected to the under center tunnel reinforcement of the lower portion of the cowl panel 1. The cowl panel assembly 5 of the front windshield on the upper portion of the cowl panel 1 is connected to the lower portion of the cowl panel 1 through the cowl reinforcement 3 so as to increase the structural strength thereof and to transmit collision energy. As shown in fig. 6 and 7, by arranging the front wall reinforcement beam 2 and the front wall reinforcement 3 inside the front wall panel 1, it is possible to avoid the collision of the front wall panel reinforcement structure with the left side frame front end assembly 9, the right side frame front end assembly 10, and the longitudinal beam 11 of the vehicle, so that the welding is more convenient, the installation of the front wall panel reinforcement structure in the engine compartment is avoided, a sufficient arrangement space is left for the engine compartment, and the problem of insufficient arrangement space of the engine compartment is solved.

Specifically, as shown in fig. 2, the cowl reinforcement 3 is shaped in a ski-like structure. The cowl reinforcement 3 is used to connect a cowl panel assembly 5 on the upper portion of the cowl panel 1 to the lower portion of the cowl panel 1. The cross section of the front wall reinforcing part 3 is a U-shaped groove, and a flanging 6 is arranged on the periphery of the front wall reinforcing part 3. The flange 6 is used for being welded with the dash panel 1. The front wall reinforcement 3 is also provided with a plurality of mounting holes 7 for mounting cabin parts. An annular reinforcing structure 8 is provided around the mounting hole 7. The reinforcement structure 8 can effectively prevent the structural strength of the cowl reinforcement 3 from being reduced due to the installation hole 7. The center of the cowl reinforcement 3 is provided with a mounting portion 31. The middle portion of the cowl reinforcement 3 and the cowl reinforcement beam 2 are fixedly connected by the mounting portion 31.

As shown in fig. 3 to 5, the cowl reinforcement beam 2 includes a first cowl cross member 21, a second cowl cross member 22, and a third cowl cross member 23 that are connected in this order. The cross sections of the first, second, and third

cowl cross members

21, 22, and 23 are each "U" shaped. After the first front wall cross beam 21, the second front wall cross beam 22 and the third front wall cross beam 23 are welded with the front wall panel 1, the U-shaped structure can form a hollow box-shaped structure, and the structural strength and the torsional strength of the front wall panel reinforcing structure can be enhanced. Enclose crossbeam 23 before first before enclose crossbeam 21, second before enclose crossbeam 22 and the third and enclose reinforcement 3 design similar before, the periphery all is equipped with turn-ups 6. The flange 6 is used for being welded and connected with the inner side of the front wall plate 1. The first front wall cross beam 21, the second front wall cross beam 22 and the third front wall cross beam 23 are all provided with a plurality of mounting holes 7 for mounting parts in the cabin. An annular reinforcing structure 8 is provided around the mounting hole 7. The reinforcement structure 8 can effectively prevent a reduction in structural strength on the first, second, and third

cowl cross members

21, 22, and 23 due to the provision of the mounting hole 7.

In a specific embodiment, the cowl reinforcement 3, the first cowl cross member 21, the second cowl cross member 22, and the third cowl cross member 23 are provided with reinforcing ribs for further increasing the structural strength thereof. The shape and size of the ribs can be selected by those skilled in the art based on their particular shape and vehicle performance requirements.

In a specific embodiment, the middle portion of the cowl reinforcement 3 is welded to the joints of the first and second

cowl cross members

21, 22 via the mounting portions 31. Alternatively, the cowl reinforcement 3 is welded to the first cowl cross member 21 via the mounting portion 31, and the other side of the middle portion of the cowl reinforcement 3 with respect to the mounting portion 31 is welded to the second cowl cross member 22. The front wall reinforcement 3 is connected to the front wall reinforcement beam 2 to achieve the required structural strength and to satisfy the approximately cross-shaped connection shape.

The utility model provides a pair of front boarding additional strengthening wherein is fixed connection between each part. The means of fixed attachment may be welding, riveting, fastener attachment, and the like. Preferably, the fixed connection is performed by welding or spot welding. The box type structure after welding has the advantage that structural strength is high. Optionally, CO is adopted between two ends of the front wall stiffening beam 2 and the side wall assemblies 4 on two sides of the vehicle₂And (5) welding and connecting by shielded welding. CO 2₂The welding by shielded welding can avoid the influence on the structural strength and the attractiveness of the skirt assembly 4 during welding.

The utility model provides a front wall reinforcing structure, which solves the problem of insufficient space for arranging the engine compartment by arranging the front wall reinforcing beam and the front wall reinforcing part on the inner side of the front wall; the front wall reinforcing beam and the front wall reinforcing piece are arranged inside the front wall plate and are respectively welded with the front wall plate, the frame longitudinal beam and the side wall assembly, so that the welding is more convenient; by fixedly connecting the middle part of the front wall reinforcing piece with the front wall reinforcing beam to form a cross-shaped structure, the front collision energy can be transmitted to the rear part from left to right and up and down, so that the deformation and displacement of the front wall plate are reduced to the minimum, and the front passengers are protected to the maximum extent.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The front wall panel reinforcing structure is characterized by comprising a front wall reinforcing beam and a front wall reinforcing piece which are arranged on the inner side of a front wall panel, wherein two ends of the front wall reinforcing beam are fixedly connected with side wall assemblies on two sides of a vehicle respectively, one end of the front wall reinforcing piece is fixedly connected with a front windshield lower cover plate assembly, and the other end of the front wall reinforcing piece is fixedly connected with the lower part of the front wall panel; the middle part of the front wall reinforcing piece is fixedly connected with the front wall reinforcing beam to form a cross-shaped structure.

2. The cowl reinforcement structure according to claim 1, wherein the cowl reinforcement beam includes a first cowl cross member, a second cowl cross member, and a third cowl cross member that are connected in this order.

3. The cowl reinforcement structure according to claim 2, wherein a middle portion of the cowl reinforcement is fixedly connected to a junction of the first cowl cross member and the second cowl cross member.

4. The cowl reinforcing structure according to claim 2, wherein the first, second, and third cowl cross members are each "U" shaped in cross section.

5. The cowl reinforcement structure according to claim 2, wherein edges of the first, second, and third cowl cross members are each provided with a burring for welding with the cowl.

6. The cowl reinforcement structure according to claim 2, wherein the cowl reinforcement member, the first cowl cross member, the second cowl cross member, and the third cowl cross member each have a plurality of mounting holes for mounting an in-cabin component, and an annular reinforcement structure is provided around the mounting holes.

7. The cowl reinforcing structure as claimed in claim 1, wherein the cowl reinforcing member has a shape of a ski-like structure for connecting a cowl bottom assembly of the cowl upper portion with the cowl lower portion.

8. The cowl reinforcing structure according to claim 1, wherein CO is used between both ends of the cowl reinforcing beam and side body assemblies on both sides of the vehicle₂And welding and fixing by shielded welding.

9. The cowl reinforcement structure according to any one of claims 1 to 7, wherein the fixed connection is a welded, riveted, fastened connection.

10. The cowl reinforcing structure according to any one of claims 1 through 7, wherein the fixed connection is a spot welding.