CN215851516U - Vehicle body threshold and vehicle - Google Patents

Abstract

The utility model provides a vehicle body threshold and a vehicle, and relates to the technical field of vehicle body structures, wherein the vehicle body threshold comprises a floor threshold inner plate, a side wall outer plate, a threshold stiffening beam and a side wall threshold outer plate; the floor threshold inner plate and the side wall outer plate are enclosed into an installation channel extending along the length direction of the vehicle body; the doorsill stiffening beam is arranged in the installation channel, and the upper part and the lower part of the doorsill stiffening beam are respectively and fixedly connected between the upper part and the lower part of the floor doorsill inner plate and the side wall outer plate; the side wall threshold outer plate is arranged in the installation channel and is fixedly connected with the threshold reinforcing beam so as to enclose a cavity extending along the length direction of the installation channel, and the fixed connection positions of the upper parts of the side wall threshold outer plate and the threshold reinforcing beam are lower than the fixed connection positions of the upper parts of the threshold reinforcing beam, the floor threshold inner plate and the side wall outer plate. The vehicle includes a body sill. Through this automobile body threshold, alleviated current automobile body threshold bulk strength low technical problem, reached the purpose of protection power battery and passenger's safety.

Description

Vehicle body threshold and vehicle

Technical Field

The utility model relates to the technical field of vehicle body structures, in particular to a vehicle body threshold and a vehicle.

Background

The automobile body threshold comprises a side wall threshold outer plate and a floor threshold inner plate, wherein the side wall threshold outer plate belongs to a side wall assembly, the floor threshold inner plate belongs to a floor assembly, the side wall threshold outer plate mainly indicates the bottom of a side wall and forms a threshold structure close to the part of the outside of the automobile, the floor threshold inner plate mainly indicates the same side surrounding and splicing part of the bottom of the floor and forms the threshold structure of the floor part, and a supporting part and a partition plate are arranged between the side wall threshold outer plate and the floor threshold inner plate so as to enhance the integral strength of the automobile body threshold.

In the pole impact test and the 25% offset collision, the body sill is severely deformed and cannot well protect the power battery mounted at the bottom of the vehicle body.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vehicle body threshold and a vehicle, so as to relieve the technical problem of low overall strength of the vehicle body threshold in the related technology.

In order to solve the technical problems, the technical means adopted by the utility model are as follows:

in a first aspect, the present invention provides a vehicle body sill comprising: the floor threshold inner plate, the side wall outer plate, the threshold stiffening beam and the side wall threshold outer plate are arranged on the floor;

the floor threshold inner plate and the side wall outer plate are enclosed into an installation channel extending along the length direction of the vehicle body;

the doorsill stiffening beam is arranged in the installation channel, and the upper part and the lower part of the doorsill stiffening beam are respectively and fixedly connected between the upper part and the lower part of the floor doorsill inner plate and the side wall outer plate;

the side wall threshold outer plate is arranged in the installation channel and is fixedly connected with the threshold reinforcing beam so as to be enclosed into a cavity extending along the length direction of the installation channel, and the fixed connection positions of the upper parts of the side wall threshold outer plate and the threshold reinforcing beam are lower than the fixed connection positions of the upper parts of the threshold reinforcing beam, the floor threshold inner plate and the side wall outer plate.

Further, the floor threshold inner plate comprises a first bottom wall and first side walls arranged on two sides of the first bottom wall, and a first accommodating space is defined by the first bottom wall and the first side walls;

one side of the first side wall, which is far away from the first bottom wall, extends outwards to form a first folded edge;

the side wall outer plate comprises a second bottom wall and second side walls arranged on two sides of the second bottom wall, and a second accommodating space is formed by the second bottom wall and the second side walls in a surrounding mode;

one side of the second side wall, which is far away from the second bottom wall, extends outwards to form a second folded edge;

the first accommodating space and the second accommodating space form the installation channel, and the upper part and the lower part of the threshold reinforcing beam are fixedly connected between the first folded edge and the second folded edge.

Further, the doorsill reinforcing beam comprises a third bottom wall and third side walls arranged on two sides of the third bottom wall, and a third accommodating space is enclosed by the third bottom wall and the third side walls;

one side, far away from the third bottom wall, of the third side wall extends outwards to form a third folded edge, and the third folded edge is fixedly connected between the first folded edge and the second folded edge.

Further, the third bottom wall with the laminating of first bottom wall, and scribble the structure between the binding face and glue.

Furthermore, a reinforcing plate is arranged in the third accommodating space, and the reinforcing plate is fixedly connected to the third bottom wall and the third side wall.

Further, the reinforcing plate includes a first reinforcing portion and a second reinforcing portion that are integrally formed;

the first reinforcing part is fixedly attached to the third bottom wall, and the second reinforcing part is fixedly attached to the third side wall.

Furthermore, one side of the second reinforcing part, which is far away from the first reinforcing part, extends outwards to form the third accommodating space.

Further, the side sill outer panel comprises a fourth bottom wall and fourth side walls arranged on two sides of the fourth bottom wall, and a fourth accommodating space is formed by the fourth bottom wall and the fourth side walls in a surrounding mode;

one side, far away from the fourth bottom wall, of the fourth side wall extends outwards to form a fourth folded edge which is fixedly connected with the third folded edge;

the fourth accommodating space and the third accommodating space constitute the cavity.

Furthermore, the vehicle body threshold further comprises three sets of threshold supporting plates, the three sets of threshold supporting plates are arranged in the cavity and are respectively positioned between the seat front cross beam assembly, the seat rear cross beam assembly and the middle floor front cross beam and the side wall threshold outer plate, and the three sets of threshold supporting plates are fixedly connected with the side wall threshold outer plate.

Compared with the prior art, the vehicle body threshold provided by the utility model has the beneficial effects that:

in the application, the outer layer of the vehicle body threshold comprises a floor threshold inner plate and a side wall outer plate, and the floor threshold inner plate and the side wall outer plate are enclosed into an installation channel extending along the length direction of a vehicle body, so that impact force caused by side impact and offset collision can be resisted; the installation channel is internally provided with a threshold stiffening beam and a side wall threshold outer plate which belong to the inner layer of the vehicle body threshold, wherein the upper part and the lower part of the threshold stiffening beam are respectively and fixedly connected between the upper parts and the lower parts of the floor threshold inner plate and the side wall outer plate, the side wall threshold outer plate is fixedly connected with the threshold stiffening beam, the two side wall threshold outer plate and the threshold stiffening beam are enclosed into a cavity extending along the length direction of the installation channel, and the fixed connection positions of the upper parts of the side wall threshold outer plate and the threshold stiffening beam are lower than the fixed connection positions of the upper parts of the threshold stiffening beam, the floor threshold inner plate and the side wall outer plate, so that the inner layer has certain strength and can further resist impact force caused by side impact and offset impact. It is thus understood that the vehicle body structure can effectively resist impact kinetic energy generated by a collision, and protect the power battery and the passenger.

In a second aspect, the utility model provides a vehicle comprising the body sill.

The beneficial effects of the vehicle provided by the utility model are as follows:

the vehicle provided by the utility model comprises the vehicle body threshold, and therefore, the technical advantages and effects achieved by the vehicle also comprise the technical advantages and effects achieved by the vehicle body threshold, and are not repeated herein.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a cross-sectional view of a vehicle sill in use according to an embodiment of the present invention;

FIG. 2 is an enlarged view taken at point I of FIG. 1;

FIG. 3 is a schematic structural view of a vehicle body sill according to an embodiment of the present invention;

fig. 4 is a top view of fig. 3.

Icon:

100-floor sill inner panel; 110-a first bottom wall; 120-a first sidewall; 130-a first accommodation space; 140-a first hem;

200-side outer plates; 210-a second bottom wall; 220-a second side wall; 230-a second accommodation space; 240-second hem;

300-sill stiffener; 310-a third bottom wall; 320-a third sidewall; 330-a third accommodation space; 340-third folding;

400-side sill outer plate; 410-a fourth bottom wall; 420-a fourth side wall; 430-a fourth accommodation space; 440-fourth hem;

500-a stiffening plate; 510-a first reinforcement; 520-a second reinforcement;

600-a threshold support plate; 700-a seat front beam assembly; 800-a seat rear cross beam assembly; 900-middle floor front beam; 1000-front floor.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the vehicle body threshold provided in the present embodiment includes a floor threshold inner panel 100, a side sill outer panel 200, a threshold reinforcement beam 300, and a side sill outer panel 400; the floor threshold inner plate 100 and the side wall outer plate 200 are enclosed into an installation channel extending along the length direction of the vehicle body; the sill reinforcement beam 300 is arranged in the installation channel, and the upper part and the lower part of the sill reinforcement beam are respectively and fixedly connected between the upper part and the lower part of the floor sill inner plate 100 and the side wall outer plate 200; the side sill outer 400 is arranged in the installation channel and fixedly connected with the sill reinforcing beam 300 to form a cavity extending along the length direction of the installation channel, and the fixed connection position of the upper parts of the side sill outer 400 and the sill reinforcing beam 300 is lower than the fixed connection position of the upper parts of the sill reinforcing beam 300, the floor sill inner plate 100 and the side sill outer plate 200.

Specifically, referring to fig. 1 and 2, the outer layer of the vehicle body side sill comprises a floor side sill inner plate 100 and a side wall outer plate 200, and the floor side sill inner plate 100 and the side wall outer plate 200 are enclosed into an installation channel extending along the length direction of the vehicle body, so that impact force caused by side impact and offset impact can be resisted; the installation channel is internally provided with a threshold reinforcing beam 300 and a side wall threshold outer plate 400 which belong to the inner layer of the car body threshold, wherein the upper part and the lower part of the threshold reinforcing beam 300 are respectively and fixedly connected between the upper parts and the lower parts of the floor threshold inner plate 100 and the side wall outer plate 200, the side wall threshold outer plate 400 is fixedly connected with the threshold reinforcing beam 300, the two parts are enclosed into a cavity extending along the length direction of the installation channel, and the fixed connection positions of the upper parts of the side wall threshold outer plate 400 and the threshold reinforcing beam 300 are close to the lower part of the fixed connection positions of the upper parts of the threshold reinforcing beam 300, the floor threshold inner plate 100 and the side wall outer plate 200, so that the inner layer has certain strength, and the impact force caused by side impact and offset collision can be further resisted. It is thus understood that the vehicle body structure can effectively resist impact kinetic energy generated by a collision, and protect the power battery and the passenger.

Further, referring to fig. 2, the floor sill inner panel 100 includes a first bottom wall 110 and first side walls 120 disposed at both sides of the first bottom wall 110, the first bottom wall 110 and the first side walls 120 enclosing a first accommodating space 130; the side of the first side wall 120 away from the first bottom wall 110 extends outward to form a first folding edge 140; the side wall outer plate 200 comprises a second bottom wall 210 and second side walls 220 arranged at two sides of the second bottom wall 210, and the second bottom wall 210 and the second side walls 220 enclose a second accommodating space 230; the side of the second sidewall 220 away from the second bottom wall 210 extends outward to form a second flange 240; the first receiving space 130 and the second receiving space 230 constitute a mounting passage, and the upper and lower portions of the sill reinforcing member 300 are fixedly coupled between the first flange 140 and the second flange 240.

As shown in fig. 2, the cross sections of the floor sill inner panel 100 and the side wall outer panel 200 are both in a shape like a Chinese character 'ji', the first accommodating space 130 is an internal space of the floor sill inner panel 100, the second accommodating space 230 is an internal space of the side wall outer panel 200, and after the floor sill inner panel 100 and the side wall outer panel 200 are butted, the first accommodating space 130 and the second accommodating space 230 form an installation channel. The doorsill reinforcing beam 300 and the side-wall doorsill outer plate 400 are arranged in the installation channel, so that the degree of the floor doorsill inner plate 100 and the side-wall outer plate 200 capable of bearing collision impact force is improved, the phenomenon that the floor doorsill inner plate 100 and the side-wall outer plate 200 are seriously deformed when being collided is avoided, namely, the protective capability of the vehicle body doorsill is enhanced, and therefore the safety of a power battery and passengers can be well protected.

Further, with continued reference to fig. 2, the sill reinforcement 300 includes a third bottom wall 310 and third side walls 320 disposed at both sides of the third bottom wall 310, the third bottom wall 310 and the third side walls 320 enclosing a third accommodating space 330; the side of the third side wall 320 away from the third bottom wall 310 extends outward to form a third folded edge 340, and the third folded edge 340 is fixedly connected between the first folded edge 140 and the second folded edge 240; the side sill outer panel 400 comprises a fourth bottom wall 410 and fourth side walls 420 arranged on two sides of the fourth bottom wall 410, and a fourth accommodating space 430 is defined by the fourth bottom wall 410 and the fourth side walls 420; the side of the fourth side wall 420 away from the fourth bottom wall 410 extends outward to form a fourth folded edge 440 for fixedly connecting with the third folded edge 340; the fourth accommodation space 430 and the third accommodation space 330 constitute a cavity.

As shown in fig. 2, the cross sections of the rocker reinforcement beam 300 and the side sill outer panel 400 are also in a zigzag shape, wherein the rocker reinforcement beam 300 is disposed in the first accommodating space 130 of the floor rocker inner panel 100, and gaps are formed between the third sidewall 320 and the first sidewall 120 which are located above and between the third sidewall 320 and the first sidewall 120 which are located below; the side sill outer panel 400 is disposed in the second accommodating space 230 of the side sill outer panel 200, and similarly, gaps are formed between the upper fourth sidewall 420 and the second sidewall 220 and between the lower fourth sidewall 420 and the second sidewall 220, and the size of the gaps is set according to the actual collision condition, so as to ensure that the strength of the inner layer of the vehicle body side sill is sufficiently high.

Continuing with the example of FIG. 2, the first, second, third and fourth flaps 140, 240, 340, 440 are positioned above, the third flap 340 being welded between the first and second flaps 140, 240, and the fourth flap 440 being welded below the third flap 340 and adjacent to the upper third sidewall 320; among the first, second, third and fourth flaps 140, 240, 340 and 440 below, the third and fourth flaps 340 and 440 are welded and welded between the first and second flaps 140 and 240. By the arrangement, four layers of welding above the vehicle body threshold are avoided, the welding strength is ensured, and the inner layer formed by the threshold reinforcing beam 300 and the side threshold outer plate 400 has the capability of resisting collision, so that damage is eliminated, and the purpose of protecting the safety of a power battery and passengers is achieved.

Further, referring to fig. 2, the third bottom wall 310 is attached to the first bottom wall 110, and a structural adhesive is coated between the attachment surfaces.

Specifically, with continued reference to fig. 2, the third bottom wall 310 is fixed to the first bottom wall 110 by structural adhesive, so that the middle of the sill reinforcing beam 300 is fixed to the middle of the floor sill inner panel 100, the problem of electrochemical corrosion between the two is effectively avoided, the stability of connection between the two is enhanced, and the fourth bottom wall 410 is not connected to the second bottom wall 210 and has a gap therebetween. With this arrangement, when the side sill outer panel 200 is subjected to a right-left collision, the collision force is weakened when being transmitted to the side sill outer panel 400, and at this time, since the side sill outer panel 400 is fixed to the rocker reinforcement beam 300 and the rocker reinforcement beam 300 is fixed to the floor sill inner panel 100, the weakened collision force is strongly resisted, thereby avoiding great damage caused by the weakened collision force.

Further, with continued reference to fig. 2, a reinforcing plate 500 is disposed in the third accommodating space 330, and the reinforcing plate 500 is fixedly connected to the third bottom wall 310 and the third side wall 320.

Specifically, the reinforcing plate 500 has a length adapted to the sill reinforcing beam 300, is disposed in the sill reinforcing beam 300, and is welded to the third bottom wall 310 and the third side wall 320, so that the strength of the sill reinforcing beam 300 is improved, the strength of the body sill is improved, the body sill is prevented from being deformed seriously when being collided, and the power battery mounted at the bottom of the body can be well protected.

In the present embodiment, as shown in fig. 2, the reinforcing plate 500 is an elongated angle iron, and includes a first reinforcing portion 510 and a second reinforcing portion 520 that are integrally formed; the first reinforcing portion 510 is fixedly attached to the third bottom wall 310, and the second reinforcing portion 520 is fixedly attached to the third side wall 320.

Specifically, the first reinforcing portion 510 and the second reinforcing portion 520 are respectively welded to the third bottom wall 310 and the third sidewall 320 located above, and one side of the second reinforcing portion 520 away from the first reinforcing portion 510 extends outward to form a third accommodating space 330 to a fourth accommodating space 430.

When the side impact is applied to the car body threshold, the impact force is transmitted from the side-wall outer plate 200 to the side-wall outer plate 400, and when the side-wall outer plate 400 is stressed inwards, the side-wall outer plate is abutted to the second reinforcing part 520, namely, the second reinforcing part 520 bears part of the impact force and weakens the deformation degree of the side-wall outer plate 400, so that the impact force is effectively dissipated, and the larger damage caused by the impact force is avoided.

Further, referring to fig. 3 and 4, the car body door sill further includes three sets of door sill support plates 600, the three sets of door sill support plates 600 are disposed in the cavity and respectively located between the seat front beam assembly 700, the seat rear beam assembly 800 and the middle floor front beam 900 and the side wall door sill outer panel 400, and the three sets of door sill support plates 600 are all fixedly connected with the side wall door sill outer panel 400.

Specifically, referring to fig. 1 and 3, the floor rocker inner panel 100 is welded to the seat front cross beam assembly 700, the seat rear cross beam assembly 800, the middle floor front cross beam 900, and the front floor 1000, respectively, to form a front floor 1000 assembly; the three groups of threshold supporting plates 600 are respectively arranged at the corresponding positions of the outer sides of the seat front cross beam assembly 700, the seat rear cross beam assembly 800 and the middle floor front cross beam 900, and form a threshold outer plate assembly with the threshold reinforcing beam 300, the reinforcing plate 500, the side wall threshold outer plate 400 and the side wall outer plate 200; the upper end and the lower end of the threshold outer plate assembly and the front floor 1000 assembly are welded and fixed, and the middle of the threshold outer plate assembly and the front floor 1000 assembly are connected by structural adhesive.

When the side collision occurs to the vehicle body threshold of the electric vehicle, the impact force is transmitted inwards from the outer side wall outer plate 200 at the outer side, and the impact force transmitted to the threshold supporting plate 600 is continuously transmitted to the seat front beam assembly 700, the seat rear beam assembly 800 and the middle floor front beam 900, so that the impact kinetic energy generated by the side collision is effectively digested and dispersed, and the power battery and passengers are protected.

The embodiment also provides a vehicle comprising the vehicle body threshold, and therefore, the technical advantages and effects achieved by the vehicle also comprise the technical advantages and effects achieved by the vehicle body threshold, and are not repeated herein.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that various changes and modifications may be made therein, and equivalents may be substituted for elements thereof without departing from the scope of the present invention.

Claims (10)

1. A vehicle body sill, comprising: the floor side sill comprises a floor side sill inner plate (100), a side wall outer plate (200), a side sill reinforcing beam (300) and a side wall side sill outer plate (400);

the floor threshold inner plate (100) and the side wall outer plate (200) are enclosed to form an installation channel extending along the length direction of the vehicle body;

the doorsill reinforcing beam (300) is arranged in the installation channel, and the upper part and the lower part of the doorsill reinforcing beam are respectively and fixedly connected between the upper part and the lower part of the floor doorsill inner plate (100) and the side wall outer plate (200);

the side wall and threshold outer plate (400) is arranged in the installation channel and is fixedly connected with the threshold reinforcing beam (300) to form a cavity extending along the length direction of the installation channel, and the fixed connection positions of the upper parts of the side wall and threshold outer plate (400) and the threshold reinforcing beam (300) are lower than the fixed connection positions of the upper parts of the threshold reinforcing beam (300), the floor and threshold inner plate (100) and the side wall outer plate (200).

2. The vehicle body rocker according to claim 1, characterized in that the floor rocker inner panel (100) comprises a first bottom wall (110) and first side walls (120) provided on both sides of the first bottom wall (110), the first bottom wall (110) and the first side walls (120) enclosing a first accommodating space (130);

the side of the first side wall (120) far away from the first bottom wall (110) extends outwards to form a first folding edge (140);

the side wall outer plate (200) comprises a second bottom wall (210) and second side walls (220) arranged on two sides of the second bottom wall (210), and a second accommodating space (230) is enclosed by the second bottom wall (210) and the second side walls (220);

the side of the second side wall (220) far away from the second bottom wall (210) extends outwards to form a second folded edge (240);

the first receiving space (130) and the second receiving space (230) constitute the installation passage, and upper and lower portions of the threshold reinforcement beam (300) are fixedly coupled between the first flange (140) and the second flange (240).

3. The vehicle body sill according to claim 2, characterized in that the sill reinforcement beam (300) comprises a third bottom wall (310) and third side walls (320) provided on both sides of the third bottom wall (310), the third bottom wall (310) and the third side walls (320) enclosing a third accommodating space (330);

the side, far away from the third bottom wall (310), of the third side wall (320) extends outwards to form a third folding edge (340), and the third folding edge (340) is fixedly connected between the first folding edge (140) and the second folding edge (240).

4. The vehicle body sill according to claim 3, characterized in that the third bottom wall (310) is attached to the first bottom wall (110) with a structural adhesive applied between the attachment surfaces.

5. The vehicle body sill according to claim 3, characterized in that a stiffening plate (500) is arranged in the third receiving space (330), and the stiffening plate (500) is fixedly connected to the third bottom wall (310) and the third side wall (320).

6. The vehicle body sill according to claim 5, characterized in that the reinforcing plate (500) comprises a first reinforcing portion (510) and a second reinforcing portion (520) which are integrally molded;

the first reinforcing part (510) is fixedly attached to the third bottom wall (310), and the second reinforcing part (520) is fixedly attached to the third side wall (320).

7. The vehicle body sill according to claim 6, characterized in that a side of the second reinforcing portion (520) remote from the first reinforcing portion (510) extends outwardly beyond the third receiving space (330).

8. The vehicle body sill according to claim 3, characterized in that the side sill outer panel (400) comprises a fourth bottom wall (410) and fourth side walls (420) arranged at both sides of the fourth bottom wall (410), and the fourth bottom wall (410) and the fourth side walls (420) enclose a fourth accommodating space (430);

the side, away from the fourth bottom wall (410), of the fourth side wall (420) extends outwards to form a fourth folding edge (440) which is fixedly connected with the third folding edge (340);

the fourth accommodation space (430) and the third accommodation space (330) constitute the cavity.

9. The vehicle body sill according to any of claims 1 to 8 further comprising three sets of sill support plates (600), wherein the three sets of sill support plates (600) are disposed in the cavity and respectively located between the front seat cross beam assembly (700), the rear seat cross beam assembly (800) and the middle floor front cross beam (900) and the side sill outer panel (400), and the three sets of sill support plates (600) are all fixedly connected to the side sill outer panel (400).

10. A vehicle comprising a body sill according to any of claims 1 to 9.

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