CN219382617U - Reinforcing structure and vehicle - Google Patents

Abstract

The utility model provides a reinforcing structure and a vehicle, which comprise a front coaming, a front floor, a front longitudinal beam and a reinforcing plate, wherein the front longitudinal beam is connected to the front lower part of the front coaming, extends backwards and is connected with the bottom wall of the front floor, the reinforcing plate is positioned at the inner side of the front longitudinal beam, the reinforcing plate is provided with a downward-protruding arch part, the arch part extends forwards and inclines outwards to be connected with the front longitudinal beam, and a first crumple hole is formed in the arch part in a penetrating way. According to the reinforcing structure provided by the utility model, the reinforcing plate which extends forwards and is connected with the side wall of the front longitudinal beam is arranged, so that the connection strength among the front coaming, the front floor and the front longitudinal beam is enhanced, the overall rigidity of the front area of the vehicle body is improved, the frontal collision force born by the vehicle during collision can be dispersed to the greatest extent, and the arrangement of the first crumple holes enables the structure to deform and stop at the crumple position, thereby realizing the protection of a driving position and improving the safety of the vehicle.

Description

Reinforcing structure and vehicle

Technical Field

The utility model belongs to the technical field of front longitudinal beam structures, and particularly relates to a reinforcing structure and a vehicle.

Background

With the rapid development of vehicle technology, the safety of automobiles is receiving more and more attention, and vehicles should have the capability of bearing a frontal collision or a side collision, so that the safety of drivers and passengers is ensured.

The most likely occurrence is a frontal collision during the running of the vehicle. In order to ensure the safety of personnel in the vehicle, the design of the vehicle body has enough rigidity to avoid injury to the personnel in the vehicle during collision. In the existing vehicle structure, the rigidity of the front floor and the front coaming is generally weak, the damage capability of the forward impact force to the front part of the vehicle is large when the vehicle collides, and the structure is greatly damaged after the collision invades a cab, so that the safety of drivers and passengers is influenced.

Disclosure of Invention

The utility model aims to provide a reinforcing structure and a vehicle, which can strengthen the structural strength of a front surrounding plate and a front floor area, effectively disperse the front collision force of the vehicle and ensure the safety of a cab.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a reinforced structure, including dash board, preceding floor, front longitudinal beam and reinforcing plate, the front longitudinal beam is connected in the preceding below of dash board, and backward extend and link to each other with the diapire of preceding floor, the reinforcing plate is located the inboard of front longitudinal beam, be equipped with the bellied arch portion that rises downwards on the reinforcing plate, arch portion extends forward, and incline to link to each other with the front longitudinal beam to the outside, run through on the arch portion and be equipped with first crumple hole.

In one possible implementation, the arching comprises:

a straight arch section extending from back to front to below the dash panel;

the oblique arch section is integrally formed at the front end of the straight arch section, and the oblique arch section extends outwards in an inclined mode to be connected with the front longitudinal beam, and the width of the extending end of the oblique arch section gradually becomes larger.

In one possible embodiment, the first crash holes are arranged on the oblique arch section, two first crash holes being provided, the two first crash holes being arranged at intervals in the front-rear direction.

In some embodiments, the oblique arch section is connected with a main connecting lug which is bent downwards and is attached to the side wall of the front longitudinal beam, and two sides of the oblique arch section are respectively connected with side connecting lugs which are bent outwards and are attached to the side wall of the front longitudinal beam.

In one possible implementation manner, the straight arch section is further provided with a second crumple hole penetrating up and down, and the second crumple hole is correspondingly positioned at the joint of the front coaming and the front floor in the up-down direction.

In some embodiments, the oblique arch section is further provided with a concave cavity arranged in a concave manner, wherein one second crumple hole is arranged on the cavity bottom wall of the concave cavity, and the cavity bottom wall of the concave cavity is further provided with an auxiliary crumple hole which penetrates up and down.

In one possible implementation, the reinforcing plate has a first flange and a second flange located on both sides of the arch portion, the first flange and the second flange are both connected to the front panel and the front floor, a first crumple opening is provided on the first flange, a second crumple opening is provided on the second flange, and the first crumple opening and the second crumple opening are disposed at intervals in the front-rear direction.

In some embodiments, the first flange and the second flange are respectively provided with a reinforcing boss protruding downwards, and the reinforcing bosses are distributed at intervals along the extending direction of the first flange or the second flange.

In some embodiments, the edge of the first flange is provided with a reinforcing ear which is connected to the bottom of the front floor in a fitting manner, and the width of the outer end of the reinforcing ear is gradually reduced.

Compared with the prior art, the scheme that this application embodiment shows, the reinforcing structure that this application provided, the reinforcing plate that sets up in dash board and preceding floor below links to each other with the lateral wall of front longitudinal beam, utilize the joint strength between reinforcing plate reinforcing dash board, preceding floor and the front longitudinal beam, promote the regional overall rigidity in automobile body front portion, the front impact that the vehicle bore when can the maximum dispersion striking, reduce the impact of collision process to the driver's cabin, the setting of first crumple hole, make the structure warp the step stop in crumple position, the protection to the driver's seat has been realized, the security of vehicle has been improved.

The utility model also provides a vehicle comprising the reinforcing structure. Above-mentioned vehicle is provided with the reinforcing plate in the below of dash board and preceding floor, is equipped with the arch portion that links to each other with the front longitudinal beam lateral wall on the reinforcing plate, can effectively strengthen the joint strength between dash board, preceding floor and the front longitudinal beam, promotes the regional overall rigidity in front portion of automobile body, combines the setting of first crumple hole, can furthest disperse the frontal collision power that the vehicle bore, reduces the impact of collision process to the driver's cabin.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural diagram of a reinforcing structure according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a partial explosion structure of FIG. 1 according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a partially enlarged structure (with the dash panel omitted) of the reinforcement structure of FIG. 1 at another angle according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of the reinforcing plate in fig. 1 according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

1. a dash panel; 2. a front floor; 3. a front side member; 4. a reinforcing plate; 5. an arching portion; 51. a straight arch section; 52. a skew arch section; 521. a main connecting lug; 522. a side connecting ear; 523. a first crush hole; 524. a second crush hole; 53. a recessed cavity; 531. auxiliary collapse holes; 54. a first flanging; 541. a first collapse port; 55. a second flanging; 551. a second collapse port; 56. reinforcing the boss; 57. reinforcing the ear.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the claims, the specification and the drawings of the utility model, the terms "front" and "rear" are the same as the front-rear direction of the vehicle body, the terms "left" and "right" are the same as the left-right direction of the vehicle body, and the terms "up" and "down" are the same as the up-down direction of the vehicle body; the term "inner" refers to a direction toward the central axis of the body and the term "outer" refers to a direction away from the central axis of the body, wherein the central axis of the body is parallel to the fore-aft direction of the body.

Referring to fig. 1 to 4, a reinforcing structure and a vehicle provided by the present utility model will now be described. The reinforcing structure comprises a front coaming 1, a front floor 2, a front longitudinal beam 3 and a reinforcing plate 4, wherein the front longitudinal beam 3 is connected to the front lower part of the front coaming 1 and extends backwards and is connected with the bottom wall of the front floor 2, the reinforcing plate 4 is positioned on the inner side of the front longitudinal beam 3, a downward-protruding arch forming part 5 is arranged on the reinforcing plate 4, the arch forming part 5 extends forwards and inclines outwards to be connected with the front longitudinal beam 3, and a first crumple hole 523 is formed in the arch forming part 5 in a penetrating mode.

Compared with the prior art, the reinforcing structure provided by the embodiment is characterized in that the reinforcing plate 4 arranged below the front coaming 1 and the front floor 2 is connected with the side wall of the front longitudinal beam 3, the connecting strength between the front coaming 1, the front floor 2 and the front longitudinal beam 3 is enhanced by utilizing the reinforcing plate 4, the integral rigidity of the front area of the vehicle body is improved, the frontal collision force born by the vehicle during collision can be dispersed to the greatest extent, the impact of the collision process on the cab is reduced, the first crumple hole 523 is arranged, the structure is deformed and stopped at the crumple position, the protection of the driving position is realized, and the safety of the vehicle is improved.

In this embodiment, the front side members 3 are connected to the underside of the dash panel 1 and the front floor 2 in the front-rear direction of the vehicle body, and the front side members 3 are provided in two, and are disposed near the left and right sides of the vehicle body, respectively, so that reliable connection is provided to the dash panel 1 and the front floor 2. A reinforcing plate 4 is provided for each front side member 3, and the front portion of the reinforcing plate 4 is connected to the front lower side of the dash panel 1, and the rear portion of the reinforcing plate 4 is connected to the lower side of the front floor 2, so that the relative positions of the dash panel 1 and the front floor 2 in the front-rear direction can be effectively defined.

On this basis, the front end of the reinforcing plate 4 is connected with the side wall of the front longitudinal beam 3, which is close to one side of the central axis of the vehicle body, so that the structural strength among the front coaming 1, the front floor 2 and the front longitudinal beam 3 is effectively enhanced, and the frontal collision force received by the vehicle can be dispersed to the position of the reinforcing plate 4, so that the transmission of the collision force to the position of the rear cab is reduced, and the invasion degree of the impact to the cab is further reduced.

The arch forming part 5 on the reinforcing plate 4 extends forwards, the extending direction is convenient for realizing effective dispersion of the frontal collision force, the arch forming part 5 is of a downward protruding structure, and compared with a plate-shaped member, the connection strength can be effectively increased, and the structural deformation is reduced.

The first crumple holes 523 are arranged on the arching part 5, when the vehicle is impacted by the front side, crumple deformation of corresponding parts can be realized by utilizing the first crumple holes 523, so that the crumple energy absorption effect is achieved, structural deformation generated by the frontal impact is stopped at the crumple parts, and the transfer to the position of the rear cab is avoided.

Specifically, the first crush holes 523 may be selectively provided in the bottom wall or the side wall of the arch portion 5, and the number may be plural. In addition, the first crush holes 523 can be configured in a plurality of different forms such as circular, oval, rectangular, triangular, etc., and have good crush energy absorbing effect.

In some possible implementations, the above-mentioned feature arching portion 5 adopts a structure as shown in fig. 4. Referring to fig. 4, the arching portion 5 includes a straight arch segment 51 and an inclined arch segment 52, the straight arch segment 51 extending from rear to front to below the dash panel 1; the oblique arch segment 52 is integrally formed at the front end of the straight arch segment 51, and the oblique arch segment 52 extends obliquely outward to connect with the front side member 3, and the width of the extending end of the oblique arch segment 52 gradually increases.

In this embodiment, the straight arch section 51 of the arch forming portion 5 extends in the front-rear direction, and is partially located under the dash panel 1 and partially located under the front floor 2, so that the joint between the dash panel 1 and the front floor 2 is structurally reinforced.

On this basis, the bottom wall of the rear end of the straight arch segment 51 gradually slopes upward so that the bottom wall of the arch part 5 gradually approaches upward toward the bottom surface of the front floor 2, and the arch part 5 is lifted to strengthen the structure of the entire reinforcing plate 4.

On this basis, the oblique arch segment 52 connected to the front end of the straight arch segment 51 gradually extends obliquely to the side closer to the front side member 3 until being connected to the side wall of the front side member 3. The width of the extending end of the skew arch section 52 becomes gradually larger, so that the connection area between the skew arch section 52 and the front side member 3 is increased, and the reliability of the connection between the reinforcing plate 4 and the front side member 3 is enhanced.

In some possible implementations, the above feature-crush can take the configuration shown in fig. 4. Referring to fig. 4, first crush holes 523 are provided on the skew arch section 52, and two first crush holes 523 are provided, the two first crush holes 523 being arranged at intervals in the front-rear direction.

In this embodiment, the first crumple holes 523 are disposed on the oblique arch segment 52 and close to the front side member 3, and the first crumple holes 523 penetrate through the bottom wall of the oblique arch segment 52 to absorb the frontal collision force received by the vehicle, so that the deformation of the front area of the vehicle body is stopped, and the front area of the vehicle body is prevented from being transmitted to the rear cab, so that the driver and the passengers in the cab are prevented from being impacted, and the vehicle has a good protection effect.

Specifically, two or more first crush holes 523 may be provided, and two or more second crush holes 524 may be designed to be arranged at intervals in the front-rear direction, so as to form a crush energy absorbing effect in the front-rear direction, thereby realizing a protection effect on the cab.

In some embodiments, the characteristic skew segments 52 may take the configuration shown in FIG. 4. Referring to fig. 4, the arch segment 52 is connected with a main connecting lug 521 bent downward and attached to the side wall of the front side member 3, and both sides of the arch segment 52 are respectively connected with side connecting lugs 522 bent outward and attached to the side wall of the front side member 3.

In this embodiment, the oblique arch segment 52 is connected to the front side member 3 mainly through a main connecting lug 521 and a side connecting lug 522 on the oblique arch segment 52, the main connecting lug 521 is integrally formed at the edge position of the lower bottom wall of the oblique arch segment 52, and the main connecting lug 521 is bent downward and attached to the front side member 3, and is welded to the front side member 3.

The side connecting lugs 522 are integrally formed at edge positions of both side walls of the skew arch section 52, and the side connecting lugs 522 are respectively bent to the outside of the cavity formed by the skew arch section 52 and attached to the side walls of the front side member 3. Specifically, the side connecting lugs 522 located at the front side edge of the oblique arch section 52 are bent forward and attached to the side wall of the front longitudinal beam 3, the side connecting lugs 522 located at the rear side edge of the oblique arch section 52 are bent backward and attached to the side wall of the front longitudinal beam 3, and the two side connecting lugs 522 are welded to the front longitudinal beam 3 respectively, so that the reliability of the connection between the oblique arch section 52 and the front longitudinal beam 3 is ensured, and the overall structural strength of the front area of the vehicle body is enhanced.

In some possible implementations, the characteristic straight arch segment 51 adopts the structure shown in fig. 4. Referring to fig. 4, the straight arch section 51 is further provided with a second crush hole 524 penetrating up and down, and the second crush hole 524 is correspondingly located at the junction of the dash panel 1 and the front floor 2 in the up-down direction.

On the basis that the first crumple holes 523 are formed in the oblique arch section 52, the second crumple holes 524 are further formed in the straight arch section 51, and the second crumple holes 524 can form crumple energy absorption effects on the straight arch section 51, so that different positions of a vehicle body in the left-right direction can be effectively buffered, and the protection effect on a cab is met.

Specifically, in the up-down direction, the second crush hole 524 corresponds to the connection position between the front panel 1 and the front floor 2, so that the deformation of the structure is stopped at the connection position between the front panel 1 and the front floor 2, and the structure deformation is prevented from being transmitted to the cab backwards, thereby effectively protecting drivers and passengers.

In some embodiments, the characteristic skew segments 52 may take the configuration shown in FIG. 4. Referring to fig. 4, the oblique arch section 52 is further provided with a concave cavity 53 concavely arranged, one of the second crumple holes 524 is arranged on the cavity bottom wall of the concave cavity 53, and the cavity bottom wall of the concave cavity 53 is further provided with an auxiliary crumple hole 531 penetrating up and down.

In this embodiment, the concave cavity 53 on the oblique arch segment 52 forms a concave structure, which has a structural reinforcement effect on the bottom of the oblique arch segment 52, and the second crumple hole 524 penetrates through the cavity bottom wall of the concave cavity 53, so as to achieve the crumple energy absorption effect on the basis of structural reinforcement. The auxiliary crush holes 531 enhance the crush energy absorbing effect of the structure, and the auxiliary crush holes 531 have a smaller aperture than the second crush holes 524 and are provided through the cavity bottom wall of the concave cavity 53.

In some possible implementations, the feature reinforcing plate 4 adopts a structure as shown in fig. 4. Referring to fig. 4, the reinforcing plate 4 has a first flange 54 and a second flange 55 on both sides of the arch portion 5, the first flange 54 and the second flange 55 are connected to the dash panel 1 and the front floor 2, a first crumple 541 is provided on the first flange 54, a second crumple 551 is provided on the second flange 55, and the first crumple 541 and the second crumple 551 are disposed at intervals in the front-rear direction.

In this embodiment, the edge positions of the reinforcing plate 4 on both sides of the arch portion 5 form a first flange 54 and a second flange 55, respectively, and the first flange 54 and the second flange 55 are aligned with the extending direction of the arch portion 5. The first crumple zone 541 extends to the outer edge of the first flange 54, and communicates with the outside, and has crumple energy absorbing effect. The structure of the second crumple 551 is similar to that of the first crumple 541, and will not be described herein. The first crumple 541 and the second crumple 551 are spaced apart in the front-rear direction, so that the front impact force applied to the vehicle body can be effectively absorbed, and the deformation is stopped at the crumple position.

In some embodiments, the above-described features of the first flange 54 and the second flange 55 may take the configuration shown in fig. 4. Referring to fig. 4, the first flange 54 and the second flange 55 are respectively provided with reinforcing bosses 56 protruding downward, and the reinforcing bosses 56 are spaced apart along the extending direction of the first flange 54 or the second flange 55.

In this embodiment, the first flange 54 and the second flange 55 are further provided with reinforcing bosses 56 respectively, which improves the structural strength of the machine gun shift, ensures the connection effect of the reinforcing plate 4 on the front floor 2 and the front panel 1, and improves the structural strength of the front region of the vehicle body.

In some embodiments, the above-described feature first flange 54 may take the configuration shown in fig. 4. Referring to fig. 4, the edge of the first flange 54 is provided with a reinforcing lug 57 attached to the bottom of the front floor 2, and the outer end width of the reinforcing lug 57 becomes gradually smaller.

In this embodiment, the connection area between the reinforcing plate 4 and the front floor 2 can be increased by the reinforcing lug 57 at the edge of the first flange 54, so as to enhance the connection reliability between the reinforcing plate 4 and the front floor 2, and specifically, the width of the outer end of the reinforcing lug 57 is gradually reduced, so that the connection effect can be ensured, and the processing and forming are facilitated. The reinforcing lugs 57 may be provided in one or more, and a plurality of reinforcing lugs 57 may be spaced apart along the extending direction of the arching portion 5 to enhance the reliability of the connection.

Based on the same inventive concept, embodiments of the present application also provide a vehicle including a reinforcement structure. Above-mentioned vehicle is provided with reinforcing plate 4 in the below of dash board 1 and preceding floor 2, is equipped with on the reinforcing plate 4 and links to each other with the side wall of front longitudinal beam 3 and play hunch portion 5, can effectively strengthen the joint strength between dash board 1, preceding floor 2 and the front longitudinal beam 3, promotes the regional overall rigidity in front portion of the automobile body, combines the setting of first crumple hole 523, can furthest disperse the frontal collision that the vehicle bore, reduces the impact of collision course to the driver's cabin.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The reinforcing structure is characterized by comprising a front coaming (1), a front floor (2), a front longitudinal beam (3) and a reinforcing plate (4), wherein the front longitudinal beam (3) is connected to the front lower part of the front coaming (1) and extends backwards and is connected with the bottom wall of the front floor (2), the reinforcing plate (4) is positioned on the inner side of the front longitudinal beam (3), an arch part (5) protruding downwards is arranged on the reinforcing plate (4), and the arch part (5) extends forwards and inclines outwards to be connected with the front longitudinal beam (3), and a first crumple hole (523) is formed in the arch part (5) in a penetrating mode.

2. A reinforcing structure according to claim 1, wherein the arching (5) comprises:

-a straight arch section (51) extending from back to front to below the dash panel (1);

and the oblique arch section (52) is integrally formed at the front end of the straight arch section (51), the oblique arch section (52) is outwards inclined and extends to be connected with the front longitudinal beam (3), and the width of the extending end of the oblique arch section (52) is gradually increased.

3. A reinforcing structure according to claim 2, wherein said first crush holes (523) are provided in said arch segment (52), and two of said first crush holes (523) are provided, said two of said first crush holes (523) being arranged at intervals in a front-rear direction.

4. A reinforcing structure according to claim 3, wherein the arch segment (52) is connected with a main connecting lug (521) bent downwards and attached to the side wall of the front side member (3), and both sides of the arch segment (52) are respectively connected with side connecting lugs (522) bent outwards of the arch segment (52) and attached to the side wall of the front side member (3).

5. A reinforcing structure according to claim 3, wherein the straight arch section (51) is further provided with a second crush hole (524) penetrating up and down, and the second crush hole (524) is located at a junction between the dash panel (1) and the front floor (2) in the up-down direction.

6. The reinforcing structure according to claim 5, wherein the oblique arch section (52) is further provided with a concave cavity (53) concavely arranged, one of the second crumple holes (524) is arranged on the cavity bottom wall of the concave cavity (53), and the cavity bottom wall of the concave cavity (53) is further provided with an auxiliary crumple hole (531) penetrating up and down.

7. A reinforcing structure according to any one of claims 1-6, wherein the reinforcing plate (4) has a first flange (54) and a second flange (55) located on both sides of the arching portion (5), the first flange (54) and the second flange (55) are both connected to the dash panel (1) and the front floor (2), a first crumple opening (541) is provided in the first flange (54), a second crumple opening (551) is provided in the second flange (55), and the first crumple opening (541) and the second crumple opening (551) are arranged at an interval in the front-rear direction.

8. The reinforcing structure according to claim 7, wherein the first flange (54) and the second flange (55) are respectively provided with reinforcing bosses (56) protruding downwards, and the reinforcing bosses (56) are distributed at intervals along the extending direction of the first flange (54) or the second flange (55).

9. A reinforcing structure according to claim 7, characterized in that the edge of the first flange (54) is provided with a reinforcing lug (57) which is attached to the bottom of the front floor (2), the outer end width of the reinforcing lug (57) being gradually reduced.

10. A vehicle, characterized in that it comprises a reinforcing structure according to any one of claims 1-9.