CN219989350U - Vehicle body front part force transmission structure and vehicle - Google Patents

Abstract

The utility model discloses a vehicle body front part force transmission structure and a vehicle, wherein the vehicle body front part force transmission structure comprises: a side frame; the wheel cover side beam comprises a body section, a first connecting section, a second connecting section, a first connecting section and a second connecting section, wherein one end of the first connecting section in the length direction and one end of the second connecting section in the length direction are connected with the body section; the force transfer beam is arranged on the inner side of the A-pillar outer plate, is formed by extrusion of a profile structure, is obliquely arranged between the A-pillar outer plate and the threshold beam of the side wall skeleton, and is positioned in a force transfer path along the extending direction of the second connecting section. According to the vehicle body front part force transmission structure provided by the embodiment of the utility model, the collision force is dispersed on the A-pillar outer plate, the local stress concentration of the A-pillar outer plate is avoided, and the safety of a vehicle applying the vehicle body front part force transmission structure is improved.

Description

Vehicle body front part force transmission structure and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a vehicle body front part force transmission structure and a vehicle.

Background

With the improvement of living conditions of people, the requirements on vehicles are increased increasingly and the rapid development of vehicle industries at home and abroad is accompanied, the competition of the vehicle industries and the increasing importance of people on the safety of the vehicles are facing, the design of a collision force transmission structure at the front part of a vehicle body plays a vital role in the transmission and absorption of collision force, and the design quality of the collision force transmission structure can directly influence the collision performance of the whole vehicle. However, in the existing vehicles, the overlapping area of the wheel cover side beam and the side wall inner plate is concentrated at the lower part of the front windshield, when small offset collision and frontal collision occur, the collision force is concentrated at the upper side of the side wall inner plate, and the A column is easy to tilt backwards, so that the invasion amount of the front wall plate area is overlarge, and the life safety of passengers is threatened.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the vehicle front part force transmission structure which can disperse collision force on the A-pillar outer plate and improve the safety of a vehicle applying the vehicle front part force transmission structure.

The utility model also provides a vehicle which comprises the vehicle body front part force transmission structure.

A vehicle body front portion force transmitting structure according to an embodiment of the present utility model includes:

a side frame comprising an a-pillar outer panel;

the wheel cover side beam is provided with a body section, a first connecting section and a second connecting section, one end of the first connecting section in the length direction and one end of the second connecting section in the length direction are connected with the body section, one end of the first connecting section far away from the body section and one end of the second connecting section far away from the body section are connected with the outer wall surface of the A-pillar outer plate, and the first connecting section and the second connecting section are spaced apart along the height direction of the vehicle body; the force transfer beam is arranged on the inner side of the A column outer plate, the force transfer beam is formed by extrusion of a profile structure, the force transfer beam is obliquely arranged between the A column outer plate and a threshold beam of the side wall skeleton, and the force transfer beam is positioned in a force transfer path along the extending direction of the second connecting section.

According to the vehicle body front part force transmission structure, the side wall skeleton comprises the A column outer plate, the first door hinge is arranged on the inner wall surface of the A column outer plate, the wheel cover side beam is provided with the body section, the first connecting section and the second connecting section, one end of the first connecting section in the length direction and one end of the second connecting section in the length direction are connected with the body section, one end of the first connecting section, which is far away from the body section, and one end of the second connecting section, which is far away from the body section, are connected with the outer wall surface of the A column outer plate and are spaced apart, so that two force transmission paths are formed, collision force is dispersed on the A column outer plate, local stress concentration of the A column outer plate is avoided, invasion quantity of a front panel area caused by backward dumping of the A column is effectively reduced, deformation resistance of the side wall skeleton is improved, and safety of a vehicle applying the vehicle body front part force transmission structure is improved. Meanwhile, the force transfer beam is arranged on the inner side of the A-pillar outer plate and is formed by extrusion of a profile structure, the force transfer beam is obliquely arranged between the A-pillar outer plate and a threshold beam of a side wall skeleton, and is positioned in a force transfer path along the extending direction of the second connecting section, so that the dispersion of collision force is further realized, the local stress concentration of the A-pillar outer plate is avoided, and the force transfer path of the force transfer structure at the front part of the vehicle body is optimized.

In some embodiments of the present utility model, the side frame further includes an a-pillar inner panel, one ends of the a-pillar outer panel and the a-pillar inner panel in a length direction are connected to the rocker, the a-pillar outer panel and the a-pillar inner panel are connected and form an accommodating space, and at least a portion of the force transfer beam is located in the accommodating space.

In some embodiments of the present utility model, a first door hinge is provided on an inner wall surface of the a-pillar outer panel, and a position of one end of the first connection section connected to the a-pillar outer panel in a thickness direction of the a-pillar outer panel is opposite to a position of the first door hinge.

In some embodiments of the present utility model, a second door hinge is further provided on an inner wall surface of the a-pillar outer panel, the first door hinge and the second door hinge being spaced apart along a length direction of the a-pillar outer panel, and the second connection section being opposite to a position of an end of the a-pillar outer panel to which the a-pillar outer panel is connected and the second door hinge in a thickness direction of the a-pillar outer panel.

In some embodiments of the utility model, a cavity is defined between the first connection section, the second connection section, and the a-pillar outer panel.

In some embodiments of the utility model, the transfer beam comprises: and one end of the first force transfer beam in the length direction extends out of the accommodating space and is connected with the threshold beam, and the other end of the first force transfer beam is connected with the A column outer plate and the A column inner plate.

In some embodiments of the utility model, the transfer beam further comprises: the second force transfer beam is positioned in the accommodating space and between the first force transfer beam and the A column outer plate, two end faces in the width direction of the second force transfer beam are respectively connected with the A column outer plate and the first force transfer beam, and one end in the length direction of the second force transfer beam is connected with the A column outer plate.

In some embodiments of the present utility model, the first transfer beam has a first cavity, the first cavity including a plurality of first subcavities, each of the first subcavities extending from one end to the other end of the first transfer beam in a length direction; the second force transfer beam is provided with a second cavity, the second cavity comprises a plurality of second subcavities, and each second subcavity extends from one end to the other end of the second force transfer beam in the length direction.

In some embodiments of the present utility model, along the direction of the first force transfer beam and the second force transfer beam Liang Paibu, the threshold beam includes a third cavity and a fourth cavity, both of which extend along the length direction of the threshold beam, the third cavity is located at a side of the fourth cavity away from the a-pillar outer panel, an end of the first force transfer beam extending out of the accommodating space is connected to an inner wall of the third cavity, and the second force transfer beam is disposed opposite to the fourth cavity.

The vehicle comprises the vehicle body front part force transmission structure.

According to the vehicle provided by the embodiment of the utility model, the force transmission structure at the front part of the vehicle body is arranged, the side wall skeleton comprises the A-pillar outer plate, the first door hinge is arranged on the inner wall surface of the A-pillar outer plate, the wheel cover side beam is provided with the body section, the first connecting section and the second connecting section, one end of the first connecting section in the length direction and one end of the second connecting section in the length direction are connected with the body section, one end of the first connecting section, which is far away from the body section, and one end of the second connecting section, which is far away from the body section, are connected with the outer wall surface of the A-pillar outer plate and are spaced apart, so that two force transmission paths are formed, collision force is dispersed on the A-pillar outer plate, and therefore, the local stress concentration of the A-pillar outer plate is avoided, the invasion quantity of a front panel area caused by the A-pillar is effectively reduced from being dumped backwards, the deformation resistance of the side wall skeleton is improved, and the safety of the vehicle applying the force transmission structure at the front part of the vehicle is improved. Meanwhile, the force transfer beam is arranged on the inner side of the A-pillar outer plate and is formed by extrusion of a profile structure, the force transfer beam is obliquely arranged between the A-pillar outer plate and a threshold beam of a side wall framework, and is positioned in a force transfer path along the extending direction of the second connecting section, so that the dispersion of collision force is further realized, the local stress concentration of the A-pillar outer plate is avoided, the force transfer path of the force transfer structure at the front part of the vehicle body is optimized, and the safety of the vehicle is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a perspective view of a vehicle body front force transmitting structure according to an embodiment of the present utility model;

fig. 2 is a perspective view of a vehicle body front portion force transmitting structure according to an embodiment of the present utility model, in which a rocker outer panel is not shown;

FIG. 3 is a front view of a vehicle body front force transmitting structure according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is an enlarged view at B in FIG. 4;

FIG. 6 is an enlarged view of FIG. 4 at C;

fig. 7 is a perspective view of another view of the vehicle body front force transmitting structure according to the embodiment of the utility model, in which the rocker inner panel is not shown.

Reference numerals:

100. a front body force transmission structure;

1. a side frame; 11. a pillar outer panel; 111. a first door hinge; 112. a second door hinge; 113. an accommodation space; 12. a column A inner plate; 13. a threshold beam; 131. a third cavity; 132. a fourth cavity; 14. side beams;

2. wheel cover side beams; 21. a body section; 22. a first connection section; 23. a second connection section;

3. a transfer beam; 31. a first transfer beam; 311. a first cavity; 3111. a first subchamber; 32. a second transfer beam; 321. a second cavity; 3211. a second subchamber;

4. a cavity.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

A vehicle body front portion force transmitting structure 100 according to an embodiment of the present utility model is described below with reference to the drawings.

As shown in fig. 1 to 7, a vehicle body front portion force transmitting structure 100 according to an embodiment of the present utility model includes a side frame 1, a wheel house side frame 2, and a force transmitting beam 3. Wherein, side wall skeleton 1 includes A post planking 11, the internal face of A post planking 11 is equipped with first door hinge 111, wheel casing boundary beam 2 has body section 21, first linkage segment 22 and second linkage segment 23, first linkage segment 22 length direction's one end and second linkage segment 23 length direction's one end all are connected with body section 21, first linkage segment 22 is kept away from the one end of body section 21 and the one end that body section 21 was kept away from to second linkage segment 23 all is connected and first linkage segment 22 and second linkage segment 23 are followed the automobile body direction of height spacing with the external wall of A post planking 11.

It will be appreciated that when the vehicle is impacted by a front or small bias, the impact force is firstly transferred to the wheel guard side beam 2 and is transferred to the first connecting section 22 and the second connecting section 23 through the body section 21, and the impact force is transferred to the a-pillar outer panel 11 along the first connecting section 22 and the second connecting section 23 respectively, so that two force transfer paths are formed, the impact force is dispersed on the a-pillar outer panel 11, and the local stress concentration of the a-pillar outer panel 11 is avoided, so that the invasion of the dash panel area caused by the backward dumping of the a-pillar is effectively reduced, the deformation resistance of the side wall skeleton 1 is improved, and the safety of the vehicle using the vehicle body front force transfer structure 100 is further improved. Meanwhile, the end, far away from the body section 21, of the first connecting section 22 and the end, far away from the body section 21, of the second connecting section 23 are spaced apart, so that the connection area of the wheel cover side beam 2 and the side wall skeleton 1 is increased, and the dispersion of collision force is further realized.

Meanwhile, the force transfer beam 3 is arranged on the inner side of the A-pillar outer plate 11, the force transfer beam 3 is formed by extrusion of a profile structure, the force transfer beam 3 is obliquely arranged between the A-pillar outer plate 11 and the threshold beam 13 of the side wall skeleton 1, and the force transfer beam 3 is positioned in a force transfer path along the extending direction of the second connecting section 23. Accordingly, the collision force transmitted to the a-pillar outer panel 11 via the first connection section 22 and the second connection section 23 is sequentially transmitted to the rocker 13 and the transfer beam 3 along the length of the a-pillar outer panel 11, and the collision force is transmitted to the rocker 13 along the length direction of the transfer beam 3, further achieving dispersion of the collision force. Meanwhile, the force transfer beam 3, the A column outer plate 11 and the threshold beam 13 form a triangular structure through the arrangement, and the structural strength of the force transfer beam 3, the A column outer plate 11 and the threshold beam 13 is increased by utilizing the characteristics of large triangular strength and large supporting force, so that the structural strength of the vehicle body front force transfer structure 100 is enhanced, and the force transfer performance is further improved.

In addition, the force transfer beam 3 is manufactured through an aluminum profile extrusion process, so that the integration of parts is realized, the number of parts is reduced, the development cost is reduced, the weight of a vehicle body is reduced, the endurance capacity of the vehicle is increased, the uniform section of the force transfer beam 3 is ensured, the force transfer effect is further improved, and the force transfer of the force transfer structure 100 at the front part of the vehicle body is smoother.

The side wall skeleton 1 further comprises side beams 14, two ends of the A pillar outer plate 11 in the length direction are respectively connected with the threshold beam 13 and the side beams 14, the first connecting section 22 is located on one side, far away from the threshold beam 13, of the second connecting section 23, therefore, collision force transmitted to the A pillar outer plate 11 by the first connecting section 22 and the second connecting section 23 is sequentially transmitted to the side beams 14 and the threshold beam 13 along the length of the A pillar outer plate 11, and accordingly, when a front or small offset collision occurs to a vehicle, the collision force is effectively transmitted to the threshold beam 13 and the side beams 14, the dispersion of the collision force is further achieved, and the reliability of the vehicle body front force transmission structure 100 is improved.

According to the vehicle body front part force transmission structure 100 disclosed by the embodiment of the utility model, the side wall skeleton 1 comprises the A column outer plate 11, the first door hinge 111 is arranged on the inner wall surface of the A column outer plate 11, the wheel cover side beam 2 is provided with the body section 21, the first connecting section 22 and the second connecting section 23, one end in the length direction of the first connecting section 22 and one end in the length direction of the second connecting section 23 are connected with the body section 21, one end, away from the body section 21, of the first connecting section 22 and one end, away from the body section 21, of the second connecting section 23 are connected with the outer wall surface of the A column outer plate 11 and are spaced apart, so that two force transmission paths are formed, collision force is dispersed on the A column outer plate 11, local stress concentration of the A column outer plate 11 is avoided, invasion quantity of a front panel area is effectively reduced, deformation resistance of the side wall skeleton 1 is improved, and safety of a vehicle applying the vehicle body front part force transmission structure 100 is improved. Meanwhile, the force transfer beam 3 is arranged on the inner side of the A-pillar outer plate 11, the force transfer beam 3 is formed by extrusion of a profile structure, the force transfer beam 3 is obliquely arranged between the A-pillar outer plate 11 and the threshold beam 13 of the side wall skeleton 1, the force transfer beam 3 is positioned in a force transfer path along the extending direction of the second connecting section 23, the dispersion of collision force is further realized, the local stress concentration of the A-pillar outer plate 11 is avoided, and the force transfer path of the front part force transfer structure 100 of the vehicle body is optimized.

In some embodiments of the present utility model, as shown in fig. 1, 2 and 7, the side frame 1 further includes an a-pillar inner panel 12 and a rocker 13, one ends of the a-pillar outer panel 11 and the a-pillar inner panel 12 in the length direction are connected to the rocker 13, the a-pillar outer panel 11 and the a-pillar inner panel 12 are connected and form an accommodating space 113, and at least part of the force transfer beam 3 is located in the accommodating space 113. Thereby, the collision force transmitted to the a-pillar outer panel 11 by the first connection section 22 and the second connection section 23 is sequentially transmitted to the rocker 13 along the length of the a-pillar outer panel 11, further achieving dispersion of the collision force. Meanwhile, the accommodating space 113 formed by the A-pillar outer plate 11 and the A-pillar inner plate 12 further disperses load and reduces local pressure by utilizing the three-dimensional structure such as the accommodating space 113 structure, and improves the reliability of the vehicle body front part force transmission structure 100.

In some embodiments of the present utility model, as shown in fig. 1-5, the inner wall surface of the a-pillar outer panel 11 is provided with a first door hinge 111, and the end of the first connecting section 22 connected to the a-pillar outer panel 11 is opposite to the first door hinge 111 in the thickness direction of the a-pillar outer panel 11 (the first direction shown in fig. 4), so that the collision force transmitted from the first connecting section 22 to the a-pillar outer panel 11 is dispersed through the first door hinge 111, thereby further avoiding local stress concentration of the a-pillar outer panel 11 and optimizing the force transmission path of the vehicle body front force transmission structure 100.

Further, the a pillar outer panel 11 includes first side panel, planking and second side panel that connect gradually, and first side panel, planking and second side panel all extend along the length direction of a pillar outer panel 11, and first door hinge 111 includes first door plant and first door side panel, and first door plant and first door side panel form first box structure along the circumference of first door plant, and first door plant and planking laminating, first door plant and two boards that first door side panel is along a pillar outer panel 11 width direction is relative respectively with first side panel and second side panel laminating. Thus, the collision force transmitted from the first connecting section 22 to the a-pillar outer panel is further dispersed by such arrangement, and at the same time, the load is dispersed and the local pressure is reduced by utilizing the three-dimensional structure such as the box structure, thereby effectively improving the structural strength of the first door hinge 111.

In some embodiments of the present utility model, as shown in fig. 2-6, the inner wall surface of the a-pillar outer panel 11 is further provided with a second door hinge 112, the first door hinge 111 and the second door hinge 112 being spaced apart along the length of the a-pillar outer panel 11, and the second connecting section 23 being located opposite the end of the a-pillar outer panel 11 to which the second door hinge 112 is connected in the thickness direction of the a-pillar outer panel 11.

By this arrangement, the crash force transmitted from the second connecting section 23 to the a-pillar outer panel 11 is dispersed again through the second door hinge 112, so that the local stress concentration of the a-pillar outer panel 11 is further avoided, and the force transmission path of the vehicle body front force transmission structure 100 is optimized.

Further, the second door hinge 112 includes a second door panel and a second door side panel that extend in a circumferential direction of the second door panel, the second door panel and the second door side panel form a second box structure, the second door panel and the outer panel are attached, and two panels of the second door side panel that are opposite in a width direction of the a-pillar outer 11 are attached to the first side panel and the second side panel, respectively. Therefore, the collision force transmitted to the A-pillar outer panel by the second connecting section 23 is further dispersed through the arrangement, and meanwhile, the load is dispersed and the local pressure is reduced through the three-dimensional structure such as the box body structure, so that the structural strength of the second door hinge 112 is effectively improved.

Still further, the first door hinge 111 and the second door hinge 112 are located in the receiving space 113 formed by joining the a-pillar outer panel 11 and the a-pillar inner panel 12, and the second door hinge 112 is located between the first door hinge 111 and the rocker 3.

In some embodiments of the present utility model, as shown in fig. 2, a cavity 4 is defined between the first connection section 22, the second connection section 23, and the a-pillar outer panel 11. Therefore, when the vehicle is impacted by the front or small offset, in the process of transmitting the impact force to the A-pillar outer panel 11 along the wheel cover side beam 2, the cavity 4 is collapsed to a certain extent, so that the A-pillar outer panel 11 is further protected, and the reliability of the vehicle body front force transmission structure 100 is improved. Meanwhile, the weight of the front force transmission structure 100 of the vehicle body is reduced through the cavity 4, the requirement of light weight of the vehicle is met, and the performance of the vehicle applying the front force transmission structure 100 of the vehicle body is improved.

In some embodiments of the present utility model, as shown in fig. 2-6, the front body force transfer structure 100 further includes a first transfer beam 31. One end of the first transfer beam 31 in the longitudinal direction extends out of the accommodating space 113 and is connected to the rocker 13, and the other end is connected to the a-pillar outer panel 11 and the a-pillar inner panel 12. Thereby, the collision force transmitted to the a-pillar outer panel 11 by the first connection section 22 and the second connection section 23 is sequentially transmitted to the rocker 13 and the first force transfer beam 31 along the length of the a-pillar outer panel 11, and the collision force is transmitted to the rocker 13 along the length direction of the first force transfer beam 31, thereby further achieving dispersion of the collision force.

In some embodiments of the present utility model, as shown in fig. 2-6, the front body force transfer structure 100 further includes a second transfer beam 32. The second force transfer beam 32 is located in the accommodating space 113 and between the first force transfer beam 31 and the a-pillar outer panel 11, two end surfaces of the second force transfer beam 32 in the width direction are connected with the a-pillar outer panel 11 and the first force transfer beam 31 respectively, and one end of the second force transfer beam 32 in the length direction is connected with the a-pillar outer panel 11. Therefore, the structural strength of the vehicle body front part force transfer structure 100 is further enhanced through the second force transfer beam 32, the collision force borne by the A column outer plate 11 is further dispersed by the second force transfer beam 32, a force transfer path of the A column inner plate 12, the second force transfer beam 32, the first force transfer beam 31 and the threshold beam 13 is formed, and the force transfer path of the vehicle body front part force transfer structure 100 is further optimized.

In some embodiments of the present utility model, as shown in fig. 4, the first force transfer beam 31 has a first cavity 311, and the first cavity 311 includes a plurality of first sub-cavities 3111, and each of the first sub-cavities 3111 extends from one end to the other end in a length direction of the first force transfer beam 31. Therefore, the load is dispersed and the local pressure is reduced by utilizing the three-dimensional structure such as the cavity, so that the structural strength of the first force transmission beam 31 is effectively improved. Meanwhile, when the collision force is transmitted to the end of the first transfer beam 31 connected to the a-pillar outer panel 11, the collision force is dispersed by the plurality of first sub-chambers 3111, further improving the structural strength and the force transfer smoothness of the first transfer beam 31.

For example, the first transfer beam 31 is shown in fig. 4 as having four first sub-cavities 3111 for illustrative purposes, but it will be apparent to one of ordinary skill in the art after reading the following disclosure that it is within the scope of the present utility model to apply the disclosure to two, three or more first sub-cavities 3111.

The second transfer beam 32 has a second cavity 321, and the second cavity 321 includes a plurality of second subchambers 3211, and each second subchamber 3211 extends from one end to the other end of the second transfer beam 32 in the length direction. Therefore, the load is dispersed and the local pressure is reduced by utilizing the three-dimensional structure such as the cavity, so that the structural strength of the second force transmission beam 32 is effectively improved. Meanwhile, when the collision force is transmitted to the end of the second transfer beam 32 connected with the a-pillar outer panel 11, the collision force is dispersed by the plurality of second sub-cavities 3211, further improving the structural strength and the force transfer smoothness of the second transfer beam 32.

For example, the second transfer beam 32 is shown in fig. 4 as having four second subchambers 3211 for illustrative purposes, but it will be apparent to one of ordinary skill in the art after reading the following disclosure that it is within the scope of the present utility model to apply the disclosure to two, three, or more second subchambers 3211.

Meanwhile, the development period of the first force transfer beam 31 and the second force transfer beam 32 manufactured by adopting the extrusion aluminum profile process only needs 7-10 days and the development cost is 2-3 ten thousand yuan, and the development period of the stamping process needs 3-4 months and the development cost is about 32-36 ten thousand yuan, so that the development period and the cost of the vehicle body front part force transfer structure 100 are shortened by adopting the extrusion aluminum profile process.

Further, the sections of the first force transfer beam 3 and the second force transfer beam 4 are the same, and when the first force transfer beam 3 and the second force transfer beam 4 are manufactured through an aluminum profile extrusion process, only one set of die is required to be arranged, so that the cost of the vehicle body front force transfer structure 100 is further reduced.

In some embodiments of the present utility model, as shown in fig. 4, in the arrangement direction of the first and second transfer beams 31 and 32 (the first direction shown in fig. 4), the rocker 13 includes a third cavity 131 and a fourth cavity 132, each of the third cavity 131 and the fourth cavity 132 extends along the length direction of the rocker 13, the third cavity 131 is located at a side of the fourth cavity 132 facing away from the a-pillar outer panel 11, an end of the first transfer beam 31 extending out of the receiving space 113 is connected to an inner wall of the third cavity 131, and the second transfer beam 32 is disposed opposite to the fourth cavity 132.

When the vehicle is impacted by the front or small offset, in the process that the collision force is transmitted to the side wall skeleton 1 along the wheel cover side beam 2, the collision force is firstly transmitted to the wheel cover side beam 2 and is respectively transmitted to the first connecting section 22 and the second connecting section 23 through the body section 21, the collision force transmitted to the second connecting section 23 is transmitted to the A-pillar outer plate 11 along the length direction of the second connecting section 23, and the collision force is transmitted to the inner wall of the third cavity 131 and the second force transmission beam 32 along the length direction of the first force transmission beam 31, so that the dispersion of the collision force is further realized. Meanwhile, by arranging the second force transfer beam 32 and the fourth cavity 132 opposite to each other, the first force transfer beam 31 can have a certain collapse space when the collision force is large, and the reliability of the vehicle of the front-body force transfer structure 100 is further improved.

A vehicle according to an embodiment of the present utility model includes the vehicle body front force transmitting structure 100 described above.

According to the vehicle provided by the embodiment of the utility model, the force transmission structure 100 at the front part of the vehicle body is arranged, the side wall skeleton 1 comprises the A-pillar outer plate 11, the first door hinge 111 is arranged on the inner wall surface of the A-pillar outer plate 11, the wheel cover side beam 2 is provided with the body section 21, the first connecting section 22 and the second connecting section 23, one end of the first connecting section 22 in the length direction and one end of the second connecting section 23 in the length direction are connected with the body section 21, one end of the first connecting section 22 away from the body section 21 and one end of the second connecting section 23 away from the body section 21 are connected with the outer wall surface of the A-pillar outer plate 11 and are spaced, so that two force transmission paths are formed, collision force is dispersed on the A-pillar outer plate 11, local stress concentration of the A-pillar outer plate 11 is avoided, excessive invasion of the front panel area caused by the A-pillar is effectively reduced, deformation resistance of the side wall skeleton 1 is improved, and safety of the vehicle applying the force transmission structure 100 at the front part of the vehicle is improved. Meanwhile, the force transfer beam 3 is arranged on the inner side of the A-pillar outer plate 11, the force transfer beam 3 is formed by extrusion of a profile structure, the force transfer beam 3 is obliquely arranged between the A-pillar outer plate 11 and the threshold beam 13 of the side wall skeleton 1, the force transfer beam 3 is positioned in a force transfer path along the extending direction of the second connecting section 23, the dispersion of collision force is further realized, the local stress concentration of the A-pillar outer plate 11 is avoided, the force transfer path of the front part force transfer structure 100 of the vehicle body is optimized, and the safety of the vehicle is improved.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A vehicle body front portion force transmitting structure, characterized by comprising:

the side wall framework (1), wherein the side wall framework (1) comprises an A-pillar outer plate (11);

wheel casing boundary beam (2), wheel casing boundary beam (2) have body section (21), first linkage segment (22) and second linkage segment (23), first linkage segment (22) length direction's one end with second linkage segment (23) length direction's one end all with body section (21) is connected, first linkage segment (22) are kept away from one end of body section (21) and second linkage segment (23) keep away from body section (21) one end all with the outer wall surface of A post planking (11) is connected and first linkage segment (22) with second linkage segment (23) are along automobile body direction of height is spaced apart;

the force transfer beam (3), the force transfer beam (3) is arranged on the inner side of the A-pillar outer plate (11), the force transfer beam (3) is formed by extrusion of a profile structure, the force transfer beam (3) is obliquely arranged between the A-pillar outer plate (11) and the threshold beam (13) of the side wall skeleton (1), and the force transfer beam (3) is positioned in a force transfer path along the extending direction of the second connecting section (23).

2. The vehicle body front portion force transmitting structure according to claim 1, characterized in that the side body frame (1) further includes an a pillar inner panel (12), both the a pillar outer panel (11) and one end of the a pillar inner panel (12) in a length direction are connected with the rocker (13), the a pillar outer panel (11) and the a pillar inner panel (12) are connected and form an accommodation space (113), and at least part of the force transmitting beam (3) is located in the accommodation space (113).

3. The vehicle body front portion force transmitting structure according to claim 1, characterized in that an inner wall surface of the a-pillar outer panel (11) is provided with a first door hinge (111), and in a thickness direction of the a-pillar outer panel (11), the first connecting section (22) is opposed to a position of an end to which the a-pillar outer panel (11) is connected and the first door hinge (111).

4. A vehicle body front portion force transmitting structure according to claim 3, characterized in that the inner wall surface of said a-pillar outer panel (11) is further provided with a second door hinge (112), said first door hinge (111) and said second door hinge (112) being spaced apart along the length direction of said a-pillar outer panel (11), and in that the position of the end of said second connecting section (23) connected to said a-pillar outer panel (11) and said second door hinge (112) is opposite in the thickness direction of said a-pillar outer panel (11).

5. The vehicle body front portion force transmitting structure according to claim 1, characterized in that a cavity (4) is defined between the first connecting section (22), the second connecting section (23) and the a-pillar outer panel (11).

6. The vehicle front body force transmitting structure according to claim 2, characterized in that the force transmitting beam (3) includes:

and one end of the first force transfer beam (31) in the length direction extends out of the accommodating space (113) and is connected with the threshold beam (13), and the other end of the first force transfer beam is connected with the A-pillar outer plate (11) and the A-pillar inner plate (12).

7. The vehicle front body force transmitting structure according to claim 6, characterized in that the force transmitting beam (3) further comprises:

the second force transfer beam (32), second force transfer beam (32) are located in accommodation space (113) and are located first force transfer beam (31) with between A post planking (11), two terminal surfaces of second force transfer beam (32) width direction respectively with A post planking (11) and first force transfer beam (31) are connected, second force transfer beam (32) length direction's one end with A post planking (11) are connected.

8. The vehicle body front portion force transmitting structure according to claim 7, characterized in that the first force transmitting beam (31) has a first cavity (311), the first cavity (311) includes a plurality of first sub-cavities (3111), each of the first sub-cavities (3111) extends from one end to the other end in a length direction of the first force transmitting beam (31);

the second force transfer beam (32) is provided with a second cavity (321), the second cavity (321) comprises a plurality of second subcavities (3211), and each second subcavity (3211) extends from one end to the other end of the second force transfer beam (32) in the length direction.

9. The vehicle body front portion force transmitting structure according to claim 7, characterized in that, along the direction in which the first force transmitting beam (31) and the second force transmitting beam (32) are arranged, the rocker (13) includes a third cavity (131) and a fourth cavity (132), the third cavity (131) and the fourth cavity (132) each extend along the length direction of the rocker (13), the third cavity (131) is located on a side of the fourth cavity (132) facing away from the a-pillar outer panel (11), an end of the first force transmitting beam (31) extending out of the accommodating space (113) is connected with an inner wall of the third cavity (131), and the second force transmitting beam (32) is disposed opposite to the fourth cavity (132).

10. A vehicle comprising a vehicle body front force transmitting structure according to any one of claims 1 to 9.