CN220076506U - Front side member reinforcing member, front side member assembly, vehicle body, and vehicle - Google Patents

Abstract

The utility model discloses a front longitudinal beam reinforcing part, a front longitudinal beam assembly, a vehicle body and a vehicle. The front longitudinal beam reinforcing component can improve the structural stability of the A column.

Description

Front side member reinforcing member, front side member assembly, vehicle body, and vehicle

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a front longitudinal beam reinforcing part, a front longitudinal beam assembly, a vehicle body and a vehicle.

Background

The front side rail is the most important energy absorbing component in the event of a 25% small offset collision of the vehicle. How to resist and disperse collision force and reduce the impact intrusion is an important point of the front side member structure.

In the related art, after the front longitudinal beam is impacted, the impact force generated by the impact is directly transmitted to the A column, so that the deformation of the A column is overlarge.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. For this reason, the embodiment of the utility model proposes a front side member reinforcing member that can improve the structural stability of the a pillar.

The embodiment of the utility model also provides a front longitudinal beam assembly.

The embodiment of the utility model also provides a vehicle body.

The embodiment of the utility model also provides a vehicle.

The front side member reinforcing member according to an embodiment of the present utility model includes: the reinforcement body is provided with a first end and a second end in the length direction, wherein the first end is suitable for being connected with the front longitudinal beam, and the second end is suitable for being connected with the A column; the first reinforcing rib extends along the length direction of the reinforcing member body.

According to the front longitudinal beam reinforcing component provided by the embodiment of the utility model, the reinforcing piece body is arranged between the front longitudinal beam and the A column, so that when the front longitudinal beam is impacted, the impact force is firstly transmitted to the first reinforcing rib, the first reinforcing rib can play a role in buffering and absorbing energy, and the impact force is prevented from being directly transmitted to the A column, so that the structural stability of the A column is improved.

In some embodiments, the number of the first reinforcing ribs is a plurality, the plurality of the first reinforcing ribs are arranged at intervals in the width direction of the reinforcing member body, the first reinforcing ribs are arc-shaped ribs which are recessed towards the inner side of the reinforcing member body, and/or the reinforcing member further comprises second reinforcing ribs which extend in the width direction of the reinforcing member body, the second reinforcing ribs are arranged adjacent to the A column, a plurality of reinforcing parts are arranged on the second reinforcing ribs, and the plurality of reinforcing parts are arranged at intervals in the width direction of the reinforcing member body.

In some embodiments, the front side member reinforcement member further includes a first connecting member and a second connecting member, the reinforcement member body has a first connecting portion and a second connecting portion, the first connecting portion has a first connecting hole, the second connecting portion has a second connecting hole, the first connecting member extends into the first connecting hole to connect the reinforcement member body and the front side member, and the second connecting member extends into the second connecting hole to connect the reinforcement member body and the a pillar.

In some embodiments, the number of the first connecting pieces is a plurality, the number of the first connecting holes is a plurality, the plurality of the first connecting holes are in one-to-one correspondence with the plurality of the second connecting holes, the number of the second connecting pieces is a plurality, the number of the second connecting holes is a plurality, and the plurality of the second connecting holes are in one-to-one correspondence with the plurality of the second connecting holes.

In some embodiments, the stiffener body, the first stiffener and the second stiffener are integrally formed.

The front longitudinal beam assembly of the embodiment of the utility model comprises: the front side member reinforcing member according to any one of the above embodiments, wherein one end of the reinforcing member is connected to the front side member body, and the other end of the reinforcing member is connected to the a pillar.

In some embodiments, a predetermined gap is provided between the first stiffener and the front side rail body, and a predetermined gap is provided between the second stiffener in the reinforcement member and the a pillar.

In some embodiments, the front rail assembly further includes a connection sleeve located within the front rail body, the first connector of the front rail reinforcement member extending into the connection sleeve.

The vehicle body according to an embodiment of the present utility model includes the front side member assembly according to any one of the above embodiments.

The vehicle of the embodiment of the utility model comprises the vehicle body according to the embodiment.

Drawings

Fig. 1 is a schematic structural view of a front side member assembly according to the related art.

Fig. 2 is a schematic view of another angle of the front side member assembly according to the related art.

Fig. 3 is a schematic structural view of a front side member reinforcement member according to an embodiment of the present utility model.

Fig. 4 is a schematic view showing a structure of the front side member reinforcement member according to the embodiment of the present utility model at another angle.

Fig. 5 is a schematic structural view of a front side member assembly according to an embodiment of the present utility model.

Fig. 6 is an exploded view of a front rail assembly according to an embodiment of the present utility model.

Fig. 7 is a cross-sectional view of a front rail assembly according to an embodiment of the present utility model.

Reference numerals:

the front side member reinforcement member 100, the front side member body 200, the a pillar 300,

the reinforcement body 1, the first connecting portion 11, the first connecting hole 111, the second connecting portion 12, the second connecting hole 121,

the device comprises a first reinforcing rib 2, a second reinforcing rib 3, a first connecting piece 4, a second connecting piece 5, a connecting sleeve 6, an A column inner plate 7, an A column reinforcing plate 8 and a connecting sleeve 9.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

As shown in fig. 1 and 2, when a small 25% offset collision occurs to a vehicle, a chassis front shock absorber and tires are deformed backwards to strike a vehicle body, and mainly impact points A and B, the existing vehicle body structure cannot resist the collision, the deformation of the vehicle body is overlarge, a high-vacuum die-casting aluminum alloy is adopted at the rear section of a front longitudinal beam of the vehicle body, the high-vacuum die-casting aluminum alloy is designed to be Y-direction demolding, a plurality of raised reinforcing ribs are designed at the inner side and the outer side of the rear section of the front longitudinal beam, the impact point A is the reinforcing rib of the chassis front shock absorber deformed backwards to strike the rear section of the front longitudinal beam, and the reinforcing ribs are cracked and broken due to low elongation after the material fracture of cast aluminum, so that the rear end of the front longitudinal beam of the vehicle body is integrally unstable.

The existing A-pillar inner plate 75 and A-pillar reinforcing plate 8 pass through a row of connecting welding spots, and the impact point B is the front shock absorber of the chassis, and the rear deformation of the tire can impact the A-pillar of the car body to separate the connecting welding spots, so that the A-pillar reinforcing plate 8 deforms outwards, and the deformation of the A-pillar is overlarge.

As shown in fig. 3 to 7, the front side member reinforcing member of the embodiment of the utility model includes a reinforcement body 1, a first reinforcing rib 2, and a second reinforcing rib 3, the reinforcement body 1 having a first end and a second end in its length direction (front-rear direction as shown in fig. 1), the first end being adapted to be connected to the front side member and the second end being adapted to be connected to the a pillar, the first reinforcing rib 2 extending in the length direction of the reinforcement body 1, the second reinforcing rib 3 extending in the width direction of the reinforcement body 1, the second reinforcing rib 3 being disposed adjacent to the a pillar.

Specifically, as shown in fig. 3, the front end of the reinforcement body 1 is adapted to be connected to the front side member, and the rear end of the reinforcement body 1 is adapted to be connected to the a pillar. The first reinforcing rib 2 extends in the front-rear direction, the second reinforcing rib 3 extends in the up-down direction, and the second reinforcing rib 3 is located at the right end of the reinforcing member body 1. The stiffener body 1 is an arc-shaped plate, for example, the stiffener body 1 is an arc-shaped plate that is curved toward the inside of the vehicle frame, that is, the middle portion of the stiffener body 1 is curved toward the inside of the vehicle frame to form an arc-shaped plate.

According to the front longitudinal beam reinforcing component provided by the embodiment of the utility model, the front longitudinal beam reinforcing component 100 is arranged between the front longitudinal beam and the A column, so that when the front longitudinal beam is impacted, impact force is firstly transmitted to the first reinforcing rib 2, the first reinforcing rib 2 can play a role in buffering and absorbing energy, the risk of collision and failure of the reinforcing rib can be reduced, and as the front longitudinal beam reinforcing component 100 is connected with the A column, the number of connecting points on the A column can be increased, the risk of separation of the original connecting points due to the impact is reduced, and therefore the structural stability of the A column is improved, and the first reinforcing rib 2 and the second reinforcing rib 3 keep consistent with the collision stress direction, so that the effects of part collapsing and absorbing energy and part connecting strength are realized.

In some embodiments, the number of the first reinforcing ribs 2 is plural, the plural first reinforcing ribs 2 are arranged at intervals in the width direction of the stiffener body 1, the first reinforcing ribs 2 are arc ribs recessed toward the inside of the stiffener body 1, and/or the second reinforcing ribs 2 are provided with plural reinforcing portions arranged at intervals in the width direction of the stiffener body.

Specifically, as shown in fig. 3 and 4, the number of the first reinforcing ribs 2 is two, the two first reinforcing ribs 2 are arranged at intervals in the up-down direction, and the rear ends of the two first reinforcing ribs 2 are respectively connected to the second reinforcing ribs 3. The middle part of the second reinforcing rib 3 positioned above is bent downwards to form an arc rib, and the middle part of the second reinforcing rib 3 positioned below is bent upwards to form an arc rib. By providing a plurality of first reinforcing ribs 2, the energy absorbing effect of the front side member reinforcing member 100 can be improved, and the risk of the reinforcing ribs crashing failure can be further reduced.

The rear end of the second reinforcing rib 2 is provided with a plurality of reinforcing parts, the reinforcing parts are arranged at intervals in the up-down direction, and the structural strength of the second reinforcing rib 2 can be improved by arranging the reinforcing parts, so that the risk of crashing and failure of the reinforcing rib is further reduced.

In some embodiments, the front side member reinforcement part 100 further includes a first connector 4 and a second connector 5, the reinforcement body 1 has a first connecting portion 11 and a second connecting portion 12, the first connecting portion 11 has a first connecting hole 111, the second connecting portion 12 has a second connecting hole 121, the first connector 4 extends into the first connecting hole 111 to connect the reinforcement body 1 and the front side member, and the second connector 5 extends into the second connecting hole 121 to connect the reinforcement body 1 and the a pillar.

For example, the first and second connection members 4 and 5 may be connection bolts, the first connection member 4 passing through the first connection hole 111 on the first connection portion 11 and extending into the front side member to connect the front side member reinforcing member 100 with the front side member, and the second connection member 5 passing through the second connection hole 121 on the second connection portion 12 and extending into the a-pillar to connect the reinforcement body 1 and the a-pillar. Through setting up first connecting piece 4 and second connecting piece 5, not only can improve the connection efficiency of front longitudinal beam reinforcement member 100 and front longitudinal beam and A post, be convenient for later maintenance and change, can also improve the quantity of tie point, improve the structural stability of front longitudinal beam and A post.

In some embodiments, the number of the first connecting members 4 is plural, the number of the first connecting holes 111 is plural, the plurality of first connecting holes 111 are in one-to-one correspondence with the plurality of second connecting holes 121, the number of the second connecting members 5 is plural, the number of the second connecting holes 121 is plural, and the plurality of second connecting holes 121 are in one-to-one correspondence with the plurality of second connecting holes 121.

Specifically, as shown in fig. 6, the plurality of first connectors 4 are uniformly spaced along the up-down direction, the plurality of second connectors 5 are uniformly spaced along the up-down direction, and by providing the plurality of first connectors 4 and the plurality of second connectors 5, the connection stability and the structural stability of the front longitudinal beam reinforcing member 100 and the front longitudinal beam and the a column can be further improved, and the mounting position of the first connectors 4 can be adjusted, so that the mounting point can be more reasonably sewn, and the dual functions of energy absorption and connection strength enhancement can be realized.

In some embodiments, the stiffener body 1, the first stiffener 2 and the second stiffener 3 are integrally formed.

For example, the reinforcement body 1, the first bead 2, and the second bead 3 are integrally press-formed, and by the integral forming, the structural strength and the good ductility of the front side member reinforcing member 100 can be improved, and breakage is less likely to occur when an impact is applied.

The front side member assembly according to the embodiment of the present utility model includes the front side member body 200, the a pillar 300, and the reinforcement member, which is the front side member reinforcement member according to any one of the above embodiments, one end of the reinforcement member is connected to the front side member body 200, and the other end of the reinforcement member is connected to the a pillar 300.

Specifically, as shown in fig. 5, the a pillar 300 includes an a pillar inner panel 7 and an a pillar reinforcement panel 8, the a pillar inner panel 7 and the a pillar reinforcement panel 8 are connected by welding, and the welding points are disposed adjacent to one side of the front side rail body 200, the welding points being arranged at intervals in the up-down direction.

The rear side of the front side member body 200 is connected to the front end of the reinforcement body 1, and the rear end of the reinforcement body 1 is connected to the junction of the a-pillar inner panel 7 and the a-pillar reinforcement panel 8.

According to the front longitudinal beam assembly provided by the embodiment of the utility model, the front longitudinal beam reinforcing component 100 is arranged between the front longitudinal beam and the A column, so that when the front longitudinal beam is impacted, impact force is firstly transmitted to the first reinforcing rib 2, the first reinforcing rib 2 can play a role in buffering and absorbing energy, the risk of collision and failure of the reinforcing rib can be reduced, and as the front longitudinal beam reinforcing component 100 is connected with the A column, the number of connection points on the A column can be increased, the risk of separation of the original connection points due to the impact is reduced, and therefore the structural stability of the A column is improved, and the first reinforcing rib 2 and the second reinforcing rib 3 keep consistent with the collision stress direction, so that the effects of part collapsing and absorbing energy and part connection strength are realized.

In some embodiments, a predetermined gap is provided between the first stiffener 2 and the front side rail body 200, and a predetermined gap is provided between the second stiffener 3 and the a pillar 300.

For example, a preset gap is formed between the front side of the first reinforcing rib 2 and the rear end of the front longitudinal beam body 200, so that after the front longitudinal beam is impacted, chassis parts firstly collide with the first reinforcing rib 2 to play a role in buffering and absorbing energy, and a preset gap is formed between the rear end of the second reinforcing rib 3 and the joint of the A-pillar inner plate 7 and the A-pillar reinforcing plate 8 to play a role in buffering and absorbing energy, so that the impact force is prevented from separating the welded joint of the A-pillar inner plate 7 and the A-pillar reinforcing plate 8 by shearing force.

In some embodiments, the front side member assembly further includes a connection sleeve 6, the connection sleeve 6 being located in the front side member body 200, and the first connection member 4 in the front side member reinforcement member 100 extending into the connection sleeve 6.

Specifically, as shown in fig. 7, the connecting sleeve 6 extends into the front side member body 200, the position of the connecting sleeve 6 corresponds to the position of the first connecting hole 111, the first connecting member 4 extends into the connecting sleeve 6, and the connecting strength and wear resistance of the first connecting member 4 can be improved by providing the connecting sleeve 6.

The vehicle body of an embodiment of the present utility model includes the front side rail assembly of any one of the embodiments described above.

The vehicle of the embodiment of the utility model comprises the vehicle body of the embodiment.

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, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean 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 are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. A front side member reinforcing member, comprising:

the reinforcement body is provided with a first end and a second end in the length direction, wherein the first end is suitable for being connected with the front longitudinal beam, and the second end is suitable for being connected with the A column;

the first reinforcing rib extends along the length direction of the reinforcing member body.

2. The front side member reinforcing component according to claim 1, wherein the number of the first reinforcing ribs is plural, the plural first reinforcing ribs are arranged at intervals in the width direction of the reinforcement body, the first reinforcing ribs are arc-shaped ribs recessed toward the inside of the reinforcement body, and/or,

the reinforcing member comprises a reinforcing member body, and is characterized by further comprising a second reinforcing rib, wherein the second reinforcing rib extends along the width direction of the reinforcing member body, the second reinforcing rib is adjacent to the A column, a plurality of reinforcing parts are arranged on the second reinforcing rib, and the reinforcing parts are arranged at intervals along the width direction of the reinforcing member body.

3. The front side member reinforcement member according to claim 2, further comprising a first connecting member and a second connecting member, wherein the reinforcement member body has a first connecting portion and a second connecting portion, the first connecting portion is provided with a first connecting hole, the second connecting portion is provided with a second connecting hole, the first connecting member extends into the first connecting hole to connect the reinforcement member body and the front side member, and the second connecting member extends into the second connecting hole to connect the reinforcement member body and the a pillar.

4. The front side member reinforcing member according to claim 3, wherein the number of the first connecting members is plural, the number of the first connecting holes is plural, the plural first connecting holes are in one-to-one correspondence with the plural second connecting holes, the number of the second connecting members is plural, the number of the second connecting holes is plural, and the plural second connecting holes are in one-to-one correspondence with the plural second connecting holes.

5. The front side rail reinforcement member according to any one of claims 2 to 4, wherein the reinforcement body, the first bead and the second bead are integrally formed.

6. A front rail assembly, comprising: the front side member comprises a front side member body, an A pillar and a reinforcing member, wherein the reinforcing member is the front side member reinforcing member according to any one of claims 1 to 5, one end of the reinforcing member is connected to the front side member body, and the other end of the reinforcing member is connected to the A pillar.

7. The front side rail assembly of claim 6, wherein the first stiffener has a predetermined gap with the front side rail body and the second stiffener of the reinforcement member has a predetermined gap with the a-pillar.

8. The front side rail assembly of claim 6, further comprising a connection sleeve located within the front side rail body, the first connector of the front side rail reinforcement member extending into the connection sleeve.

9. A vehicle body comprising a front side rail assembly as claimed in any one of claims 6 to 8.

10. A vehicle comprising the vehicle body according to claim 9.