CN221138311U - Vehicle body threshold assembly and vehicle - Google Patents

Abstract

The utility model provides a vehicle body threshold assembly and a vehicle, wherein the vehicle body threshold assembly comprises a threshold beam and a vehicle body side wall positioned at one side of the threshold beam close to the outside of the vehicle along the left-right direction of the whole vehicle; the automobile body side wall is internally provided with a cavity, a collision energy absorbing piece is arranged in the cavity, extends along the front-rear direction of the whole automobile, and is overlapped with the threshold beam in the left-right direction of the whole automobile, and the threshold beam, the automobile body side wall and the collision energy absorbing piece are fixedly connected together. The car body threshold assembly can increase the collision performance of the threshold position, and is beneficial to improving the collision safety of the whole car.

Description

Vehicle body threshold assembly and vehicle

Technical Field

The utility model relates to the technical field of vehicle bodies, in particular to a vehicle body threshold assembly. The utility model also relates to a vehicle provided with the vehicle body threshold assembly.

Background

In a vehicle body, a rocker assembly mainly composed of a rocker beam is one of main structures of a side portion of the vehicle body, and not only functions as a door ring formed by surrounding, but also functions as a front cabin and a rear floor, and also functions as a main collision response position at the time of side collision of the vehicle body, and plays a very important role in side collision force absorption and transmission.

At present, a threshold beam in a vehicle body is generally formed by welding a steel plate after stamping, and a threshold cavity is generally formed in a welded sheet metal structure so as to increase the structural strength of the threshold beam. However, the threshold assembly structure formed by the existing threshold beams still has the defects of high weight, poor collision energy absorption and force transmission effects and the like, thereby being unfavorable for improving the collision safety of the whole vehicle.

Disclosure of utility model

In view of the foregoing, the present utility model is directed to a vehicle door sill assembly for improving the collision safety of the whole vehicle.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a car body threshold assembly comprises a threshold beam and a car body side wall positioned on one side of the threshold beam close to the outside of a car along the left-right direction of the whole car;

The automobile body side wall is internally provided with a cavity, a collision energy absorbing piece is arranged in the cavity, extends along the front-rear direction of the whole automobile, and is overlapped with the threshold beam in the left-right direction of the whole automobile, and the threshold beam, the automobile body side wall and the collision energy absorbing piece are fixedly connected together.

Further, the side wall of the vehicle body is made of carbon fiber composite materials.

Further, the side body of the vehicle body comprises a side body inner plate and a side body reinforcing plate which are buckled and connected together;

The side wall inner plate is connected with the threshold beam, and the cavity is formed between the side wall inner plate and the side wall reinforcing plate.

Further, the vehicle body side comprises a side outer plate, and the side outer plate is connected to one side of the side reinforcing plate, which is opposite to the side inner plate, in a buckling manner.

Further, the vehicle body floor is also included;

The vehicle body floor forms a covering for the top of the threshold beam, and the vehicle body floor is connected with the vehicle body side wall.

Further, the vehicle body floor is made of carbon fiber composite materials.

Further, the threshold beam and the collision energy absorber are all made of aluminum profiles.

Further, the collision energy absorber is provided with an inner side part and an outer side part which are connected along the left-right direction of the whole vehicle;

The inner side part is close to the threshold beam, the cross section of the inner side part is trapezoid, the cross section of the outer side part is rectangular, and reinforcing ribs arranged in the left-right direction of the whole vehicle are arranged in the inner side part.

Further, the threshold beam, the side body and the collision energy absorber are fixedly connected together through a screw structure, and tool through holes which are arranged corresponding to the screw structure are formed in the threshold beam.

Compared with the prior art, the utility model has the following advantages:

According to the car body threshold assembly, the collision energy absorbing piece is arranged in the cavity in the car body side wall, the collision energy absorbing piece and the door threshold beam are overlapped in the left-right direction of the whole car, and are fixedly connected with the door threshold beam and the car body side wall, so that the side collision force can be absorbed and transferred better by using the collision energy absorbing piece on the basis of the door threshold beam and the car body side wall with the cavity, the collision performance of the door threshold position can be improved, and the car body collision safety is improved.

In addition, the side wall of the vehicle body is made of the carbon fiber composite material, and the characteristics of light weight, high rigidity, strong modeling adaptability and the like of the carbon fiber composite material can be utilized, so that the light weight of the side wall of the vehicle body is facilitated, the rigidity of the side wall of the vehicle body can be improved, and the modeling adaptability of the side wall of the vehicle body can be improved. The automobile body side wall contains side wall inner panel and side wall reinforcing plate, can do benefit to the required die cavity of formation, and the automobile body side wall further includes the side wall planking, can increase the bulk rigidity of automobile body side wall.

Secondly, through the covering of the vehicle body floor to the top of the threshold beam, and the vehicle body floor is connected with the side wall of the vehicle body, the tightness of the left side and the right side of the front floor of the vehicle body can be improved. The vehicle body floor is made of the carbon fiber composite material, so that the light weight of the vehicle body floor is realized, the rigidity of the vehicle body floor can be improved, and the modeling adaptability of the vehicle body floor can be improved. The door sill beam and the collision energy absorbing piece adopt aluminum profiles, and the characteristics of easy processing and forming, small weight and high strength of the aluminum profiles can be utilized, so that the door sill beam and the collision energy absorbing piece are light and convenient to lighten, and meanwhile, the structural strength of the door sill beam and the collision energy absorbing piece is guaranteed.

In addition, the collision energy absorbing piece is provided with an inner side part and an outer side part, the cross section of the inner side part is trapezoid, the cross section of the outer side part is rectangular, and reinforcing ribs are arranged in the inner side part, so that the absorption capacity of the collision energy absorbing piece to collision energy gradually increases along with the crushing depth when side collision occurs, meanwhile, the crushing deformation gradually decreases, so that the collision deformation is reduced, the collision energy transferred to the passenger cabin is reduced, the outer side part and the inner side part of the collision energy absorbing piece can be matched with a threshold beam to form a three-level energy absorbing area, the energy absorbing performance of the threshold position can be enhanced, the bending of the threshold position is avoided, and passengers are protected better. The threshold beam, the side wall of the vehicle body and the collision energy absorbing piece are fixedly connected together through the screw structure, the structure is simple, the connection is reliable, and the connection operation of the screw structure can be facilitated by arranging the tool through hole on the threshold beam.

Another object of the present utility model is to propose a vehicle in which a body sill assembly as described above is provided.

The vehicle has the same beneficial effects as the vehicle body threshold assembly, and the description is omitted herein.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic cross-sectional view of a rocker assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a rocker according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a body side shell according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a crash energy absorber according to an embodiment of the present utility model;

FIG. 5 is a schematic layout of a structural adhesive and a schematic distribution of an energy absorbing region according to an embodiment of the present utility model;

Fig. 6 is a schematic connection diagram of a battery pack according to an embodiment of the present utility model;

Reference numerals illustrate:

1. A threshold beam; 2. a side wall of the vehicle body; 3. a collision energy absorbing member; 4. a bolt; 5. a vehicle body floor; 6. structural adhesive; 7. a battery pack;

1a, a connecting hole; 1b, tool via holes; 201. a side wall inner panel; 202. a side wall reinforcing plate; 203. a side wall outer plate; 2a, connecting the via holes; 301. an outer portion; 302. an inner portion; 303. reinforcing ribs; 3a, a threaded connecting hole;

q, cavity.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that, if terms indicating an orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. are presented, they are based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, if any, are also used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection can be fixed connection, detachable connection or integrated connection; 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 can be understood by those of ordinary skill in the art in combination with specific cases.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

The present embodiment relates to a vehicle body sill assembly, which is shown in fig. 1 to 4 in combination, and which includes a sill beam 1, and a body side member 2 located on a side of the sill beam 1 that is close to the outside of the vehicle in the right-left direction of the whole vehicle.

Wherein, a cavity Q is formed in the side wall 2 of the vehicle body, and a collision energy absorber 3 is arranged in the cavity Q. The collision energy absorbing piece 3 extends along the front-back direction of the whole car and is overlapped with the threshold beam 1 in the left-right direction of the whole car, and meanwhile, the threshold beam 1, the car body side wall 2 and the collision energy absorbing piece 3 are fixedly connected together.

At this time, set up as above, through set up collision energy-absorbing piece 3 in the inside die cavity Q of automobile body side wall 2 to make collision energy-absorbing piece 3 overlap the setting in whole car left and right directions with threshold roof beam 1, also link firmly with threshold roof beam 1 and automobile body side wall 2 simultaneously, this embodiment alright utilize collision energy-absorbing piece 3 to carry out better absorption and transmission to side collision impact force on the basis of threshold roof beam 1 and automobile body side wall 2 that has die cavity Q, and then can reach the effect that increases threshold position collision performance, promotes whole car collision security.

Based on the above description as a whole, specifically, the body side frame 2 of the present embodiment specifically refers to a portion of the side frame structure on the left and right sides of the vehicle body, which corresponds to the rocker beam 1, and instead of using a stamped sheet metal structure, the body side frame 2 of the present embodiment may be made of, for example, a carbon fiber composite material as a preferred embodiment.

At this time, the body side wall 2 is made of the carbon fiber composite material, so that the light weight, high rigidity, strong modeling adaptability and the like of the carbon fiber composite material are utilized, the light weight of the body side wall 2 is facilitated, the rigidity of the body side wall 2 can be improved, and the modeling adaptability of the body side wall 2 can be improved.

In addition, in a specific structure, as a preferred exemplary structure, the body side frame 2 of the present embodiment may include, for example, a side frame inner panel 201 and a side frame reinforcement panel 202 that are snap-fit joined together. Wherein, the side inner panel 201 is located on the inner side and is connected with the threshold beam 1, and the cavity Q is also formed between the side inner panel 201 and the side reinforcing panel 202.

Further, in addition to the side body inner panel 201 and the side body reinforcement panel 202 described above, the body side body 2 of the present embodiment may preferably also include a side body outer panel 203, and the side body outer panel 203 is snap-coupled to the side of the side body reinforcement panel 202 opposite to the side body inner panel 201, and may form part of or all of the enclosure of the side body reinforcement panel 202 according to design requirements.

It will be appreciated that by incorporating the body side frame 2 with the side frame inner panel 201 and the side frame reinforcement panel 202, it is possible to make the structure of the body side frame 2 simpler and to facilitate the formation of the required cavity Q. Meanwhile, the body side frame 2 is further provided with the side frame outer panel 203, which can increase the overall rigidity of the body side frame 2 and help to increase the installation effect of the body side frame 2.

As further shown in fig. 1, as a preferred embodiment, the rocker assembly of the present embodiment further includes a body floor 5. The body floor 5 forms a covering for the top of the rocker 1, and the body floor 5 is also connected to the body side 2 outside the rocker 1. At this time, the top of the threshold beam 1 is covered by the vehicle body floor 5, and the vehicle body floor 5 is connected with the vehicle body side wall 2, so that the tightness of the left side and the right side of the front floor of the vehicle body can be increased, and the riding comfort of the whole vehicle can be improved.

In practice, the vehicle body floor 5 of the present embodiment may be made of, for example, a carbon fiber composite material, similarly to the vehicle body side body 2 described above. In this way, the vehicle body floor 5 is also made of the carbon fiber composite material, which is also beneficial to realizing the light weight of the vehicle body floor 5, improving the rigidity of the vehicle body floor 5 and improving the modeling adaptability of the vehicle body floor 5.

In this embodiment, as a preferred embodiment, as shown in fig. 2 and 4, the rocker 1 and the impact absorber 3 may be made of aluminum profiles, for example. At this time, the sill beam 1 and the collision energy absorbing member 3 are made of aluminum profiles, and the characteristics of easy processing and forming, small weight and high strength of the aluminum profiles are utilized, so that the preparation and the light weight of the sill beam 1 and the collision energy absorbing member 3 can be facilitated, and meanwhile, the structural strength of the sill beam 1 and the collision energy absorbing member 3 can be guaranteed.

In addition, as further shown in fig. 5, the side body inner panel 201, the side body reinforcing panel 202 and the side body outer panel 203 in the side body 2, the side body inner panel 201 and the side sill beam 1, the side body reinforcing panel 202 and the collision energy absorbing member 3, the side body floor 5 and the side sill beam 1 and the side body inner panel 201 and the like can be bonded and connected through the structural adhesive 6 based on the carbon fiber composite material of the side body 2 and the side body floor 5 and the aluminum profile of the collision energy absorbing member 3. The threshold beam 1, the body side wall 2 and the collision energy absorber 3 can be fixedly connected together through a screw structure.

The above-mentioned fastening structure for fastening between the sill beam 1, the body side member 2 and the crash absorber 3 may be, for example, a bolt 4, and the bolt 4 may be installed through a fastening hole 1a on one side of the sill beam 1 and connected to a threaded fastening hole 3a provided in the crash absorber 3, and at the same time, a fastening via hole 2a should be provided in the side member inner panel 201 in the body side member 2, and a tool via hole 1b corresponding to the above-mentioned fastening structure, that is, the above-mentioned bolt 4, may be provided in the sill beam 1.

It can be understood that the threshold beam 1, the vehicle body side wall 2 and the collision energy absorbing member 3 are fixedly connected together through the screw structure, which has the advantages of simple structure and reliable connection, and the connecting operation of the screw structure can be facilitated by arranging the tool through hole 1b on the threshold beam 1.

It should be noted that, the side body 2 and the floor 5 of the vehicle body made of the carbon fiber composite material in this embodiment are prepared by adopting the conventional carbon fiber molding process, and the threshold beam 1 and the collision energy absorbing member 3 made of the aluminum profile are also prepared by adopting the conventional aluminum alloy extrusion molding process.

Furthermore, as is also shown in fig. 4, for the crash absorber 3 using an aluminum profile, it is possible to use an aluminum profile structure extending in the front-rear direction of the entire vehicle, and as a preferred embodiment, it may have an inner portion 302 and an outer portion 301 connected in the left-right direction of the entire vehicle, for example, in terms of structure. Wherein the inner side portion 302 is adjacent to the rocker beam 1 and connected with the bolt 4, while the cross section of the inner side portion 302 is trapezoidal, the cross section of the outer side portion 301 is rectangular, and the inner side portion 302 is also provided with a reinforcing rib 303 arranged in the left-right direction of the whole vehicle.

At this time, by making the crash energy absorber 3 have the above-described inner portion 302 and outer portion 301, and making the cross section of the inner portion 302 trapezoidal, the cross section of the outer portion 301 rectangular, and providing the reinforcing ribs 303 in the inner portion 302, the present embodiment can gradually increase the absorption amount of the crash energy by the crash energy absorber 3 with the crush depth at the time of side collision, while gradually decreasing the crush deformation, so as to reduce the crash deformation, and reduce the crash energy transmitted to the passenger compartment.

Still further, as shown in fig. 5, by having the outer side portion 301 and the inner side portion 302 of the impact absorbing member 3, it is also possible to form a three-stage energy absorbing region in cooperation with the rocker beam 1 also using an aluminum profile, so that the energy absorbing performance at the rocker position can be enhanced, the buckling at the rocker position can be avoided, and the occupant in the vehicle can be better protected.

According to the vehicle body threshold assembly, the structure is adopted, the collision energy absorbing piece 3 is arranged in the cavity Q in the side wall 2 of the vehicle body, the collision energy absorbing piece 3 and the side wall 2 of the vehicle body are overlapped in the left-right direction of the vehicle, and meanwhile, the side wall 2 of the vehicle body and the side wall 1 are fixedly connected together, the side collision force can be absorbed and transmitted better by the collision energy absorbing piece 3 on the basis of the side wall 2 of the vehicle body with the cavity Q of the vehicle body, so that the collision performance of the side wall at the position of the vehicle body can be increased, and the vehicle body collision safety can be improved.

Of course, in the vehicle body threshold assembly of the embodiment, the vehicle body side wall 2 and the vehicle body floor 5 are made of carbon fiber composite materials, and meanwhile, the threshold beam 1 and the collision energy absorbing piece 3 are made of aluminum profiles, so that the vehicle body threshold assembly is favorable for lightening the vehicle body threshold position by means of the characteristics of the carbon fiber composite materials and the aluminum profiles, is favorable for increasing the rigidity of the vehicle body threshold position, and has good practicability.

Example two

The present embodiment relates to a vehicle in which the rocker assembly of the first embodiment is provided.

The vehicle provided with the vehicle body threshold assembly of the present embodiment may be a common fuel vehicle type, but may be a fuel vehicle type, and of course, the vehicle of the present embodiment may also be a new energy vehicle type provided with the battery pack 7, and at this time, as shown in fig. 6, the side portion of the battery pack 7 may be fixed at the bottom of the threshold beam 1, for example, through a bolt pair, so as to ensure the stability of the battery pack 7 in the vehicle body, and meanwhile, the safety of the battery pack 7 in the side collision of the whole vehicle may be increased by means of the rigidity improvement of the vehicle body threshold position.

The vehicle of this embodiment is through adopting the automobile body threshold assembly in embodiment one, and accessible threshold roof beam 1, have the automobile body side wall 2 of die cavity Q and collide energy-absorbing piece 3's synergism carries out better absorption and transmission to side collision force, can increase automobile body threshold position collision performance, also does benefit to the lightweight in automobile body threshold position simultaneously, helps increasing automobile body threshold position's rigidity, and helps promoting the collision security of whole car.

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, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. A vehicle body sill assembly, characterized in that:

The automobile body side wall (2) is positioned on one side, close to the outside of the automobile, of the threshold beam (1) along the left-right direction of the whole automobile;

The automobile body side wall (2) is inside to be formed with die cavity (Q), be equipped with collision energy-absorbing piece (3) in die cavity (Q), collision energy-absorbing piece (3) are along whole car front and back direction extension, and with threshold roof beam (1) overlap the setting in whole car left and right sides direction, just threshold roof beam (1) automobile body side wall (2) and collision energy-absorbing piece (3) link firmly together.

2. The vehicle body sill assembly of claim 1 wherein:

The side wall (2) of the automobile body is made of carbon fiber composite materials.

3. The body sill assembly of claim 2 wherein:

The vehicle body side wall (2) comprises a side wall inner plate (201) and a side wall reinforcing plate (202) which are buckled and connected together;

The side wall inner plate (201) is connected with the threshold beam (1), and the cavity (Q) is formed between the side wall inner plate (201) and the side wall reinforcing plate (202).

4. A rocker assembly as claimed in claim 3, wherein:

The automobile body side wall (2) comprises a side wall outer plate (203), and the side wall outer plate (203) is connected to one side of the side wall reinforcing plate (202) opposite to the side wall inner plate (201) in a buckling mode.

5. The vehicle body sill assembly of claim 1 wherein:

Also comprises a vehicle body floor (5);

the vehicle body floor (5) forms a covering for the top of the threshold beam (1), and the vehicle body floor (5) is connected with the vehicle body side wall (2).

6. The vehicle body sill assembly of claim 5 wherein:

the vehicle body floor (5) is made of carbon fiber composite materials.

7. The rocker assembly according to any one of claims 1 to 6, wherein:

The threshold beam (1) and the collision energy absorbing piece (3) are all made of aluminum profiles.

8. The vehicle body sill assembly of claim 7 wherein:

The collision energy absorber (3) is provided with an inner side part (302) and an outer side part (301) which are connected along the left-right direction of the whole vehicle;

The inner side portion (302) is close to the threshold beam (1), the cross section of the inner side portion (302) is trapezoid, the cross section of the outer side portion (301) is rectangular, and reinforcing ribs (303) arranged in the left-right direction of the whole vehicle are arranged in the inner side portion (302).

9. The vehicle body sill assembly of claim 7 wherein:

the automobile body side wall (2) and the collision energy absorber (3) are fixedly connected together through a screw structure, and tool through holes (1 b) which are arranged corresponding to the screw structure are formed in the threshold beam (1).

10. A vehicle, characterized in that:

the vehicle is provided therein with the rocker assembly according to any one of claims 1 to 9.