CN114684277A - Threshold structure and vehicle - Google Patents
Threshold structure and vehicle Download PDFInfo
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- CN114684277A CN114684277A CN202210301903.8A CN202210301903A CN114684277A CN 114684277 A CN114684277 A CN 114684277A CN 202210301903 A CN202210301903 A CN 202210301903A CN 114684277 A CN114684277 A CN 114684277A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
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Abstract
The invention provides a threshold structure, which comprises a threshold inner plate, a threshold outer plate and a reinforcing component, wherein the threshold inner plate is fixedly connected with the threshold outer plate; an accommodating cavity is formed between the threshold inner plate and the threshold outer plate, and the reinforcing component is arranged in the accommodating cavity along the X direction; the reinforcing component comprises a first vertical edge, a main body and a second vertical edge which are sequentially connected in the Z direction; the main body comprises at least two cavities extending along the X direction and a Z-direction supporting plate between the cavities; the first vertical edge and the second vertical edge are respectively fixed at the top and the bottom of the accommodating chamber. The technical problems that the Y-direction bearing capacity of the first threshold structure is limited due to the fact that the reinforcing parts of the first threshold structure are not supported inside, and the first threshold structure and the second threshold structure are bent easily under the condition that 25% of offset collision happens due to the fact that the reinforcing parts of the first threshold structure and the second threshold structure are not supported in the Z direction of the threshold structure are solved.
Description
Technical Field
The invention relates to the field of vehicle design and manufacture, in particular to a threshold structure and a vehicle.
Background
C-NCAP2021 (China New vehicle evaluation protocol) takes a column collision test as a key investigation item of pure electric vehicle passive safety, the electric safety of a power battery pack is a very key performance index, and a threshold is an important structure for ensuring the electric safety of the power battery pack. However, in the vehicle design process, in order to increase the driving range of the vehicle, the size of the battery pack needs to be increased, so that the Y-direction size of the cross section of the threshold is inevitably compressed, and the energy absorption space of the threshold is restrained.
Therefore, under the condition of increasing the size of the battery pack, in order to prevent the energy absorption capacity of the threshold from being influenced too much, domestic host factories develop two threshold structures, namely a first threshold structure (shown in fig. 3) and a second threshold structure (shown in fig. 4), however, the transverse section of a reinforcing part of the first threshold structure is rectangular, and the inside of the reinforcing part is not supported, so that the bearing capacity of the first threshold structure in the Y direction is limited, and the threshold structure has the risk of instability in the collision process; although the reinforcing part of the second threshold structure is internally supported, the reinforcing part of the second threshold structure is not supported in the Z direction of the threshold structure like the reinforcing part of the first threshold structure, and the threshold structure is easy to bend when being subjected to a larger X-direction force in a 25% offset collision test.
In view of the above, the present invention has been made.
Disclosure of Invention
Aiming at the problems that in the prior art, the bearing capacity of the first threshold structure in the Y direction is limited, when a larger Y-direction force is applied in the collision process, the first threshold structure has a risk of instability, reinforcing components of the first threshold structure and the second threshold structure do not support the first threshold structure in the Z direction, and when a larger X-direction force is applied in a 25% offset collision test, the first threshold structure is easy to bend.
The invention provides a threshold structure, which comprises a threshold inner plate, a threshold outer plate and a reinforcing component, wherein the threshold inner plate is fixedly connected with the threshold outer plate; an accommodating cavity is formed between the threshold inner plate and the threshold outer plate, and the reinforcing component is arranged in the accommodating cavity along the X direction; the reinforcing component comprises a first vertical edge, a main body and a second vertical edge which are sequentially connected in the Z direction; the main body comprises at least two cavities extending along the X direction and a Z-direction supporting plate between the cavities; the first vertical edge and the second vertical edge are respectively fixed at the top and the bottom of the accommodating chamber.
In this application, the horizontal of vehicle is Y to, and the vertical of vehicle is X to, and vertical direction is Z to, then the extending direction of threshold be X to, and strengthening component sets up in the chamber that holds that is formed by threshold inner panel and threshold planking along X to extending, is provided with along Z to backup pad in the main part, cut apart into a plurality of along X to the cavity that extends in with the main part, furtherly, upwards and extend first stile and second stile respectively downwards to the main part along Z, and the end of first stile and second stile is fixed respectively at the top and the bottom of threshold structure.
Compared with the threshold structure I in the prior art, the supporting plate in the Z direction is additionally arranged in the main body, so that the main body of the reinforcing component and the Y-direction stability of the threshold structure can be effectively improved, and the threshold structure can bear larger Y-direction force. In addition, compared with the first threshold structure and the second threshold structure in the prior art, the first vertical edge and the second vertical edge are respectively extended from the top surface and the bottom surface of the main body, and the tail ends of the first vertical edge and the second vertical edge are respectively fixed at the top and the bottom of the threshold, so that the connection between the reinforcing component and the inner plate and the outer plate of the threshold and the Z-direction support of the threshold structure are strengthened, and when 25% of offset collision occurs, the threshold structure can bear larger X-direction force, and the bending condition is not easy to occur.
Preferably, the reinforcing member is a roll-formed structure; the main body comprises two cavities extending along the X direction and a Z-direction supporting plate positioned between the two cavities; the main body is fixedly connected with the contact parts of the first vertical edge and the second vertical edge to form a closed cavity; the first vertical edge and the second vertical edge extend along the Z direction and are respectively fixed at the top and the bottom of the accommodating chamber.
Rolling, also called cold roll forming, is a process of forming materials by continuously bending metal plates such as coiled materials, strips and the like transversely through multiple forming rolls arranged in sequence to form profiles with specific sections. In the present application, the section refers to a section along the Y direction, in the above structure, the Y-direction section of the reinforcing member includes a main body having two cavities, and a first standing edge and a second standing edge that are rolled out in the Z direction, and the first standing edge and the second standing edge are welded and fixed to a contact portion of the main body to form a closed cavity. Only bending deformation is carried out in the roll type cold roll forming process, and the thickness of a deformed material is kept unchanged in the forming process except that the bending angle of a blank is locally slightly reduced. The processing method is particularly suitable for processing high-precision products with long and long shapes.
Preferably, the rocker structure further comprises a rocker reinforcement plate; the threshold reinforcing plate extends along the X direction and is arranged between the main body and the threshold outer plate; two ends of the threshold reinforcing plate are respectively fixed at the top and the bottom of the accommodating chamber.
Among the above-mentioned structure, the threshold reinforcing plate is plate type structure, sets up between reinforcement and threshold planking, also is that between main part and threshold planking, and is the same with the reinforcement, also along X to extending the setting, and its one end is fixed at the top that holds the cavity, and the other end is fixed in the bottom that holds the cavity, has further strengthened the structural stability to the threshold structure, has improved the bending resistance when the threshold structure receives the side collision promptly.
Specifically, the threshold reinforcing plate is arranged between the reinforcing component and the outer edge of the threshold, when a vehicle is collided from the side face, the threshold outer plate is preferentially deformed to absorb the energy of the collision, the threshold outer plate is deformed to be in contact with the threshold reinforcing plate and then absorbs the energy of the collision together with the threshold outer edge and the threshold reinforcing plate, the threshold outer plate and the threshold reinforcing plate are deformed together to be in contact with the reinforcing component, and the energy of the collision is absorbed together by the threshold outer plate, the threshold reinforcing plate and the reinforcing component.
Preferably, the first vertical edge is provided with a part which is jointed and welded with the sill reinforcing plate and the sill inner plate; the second vertical edge is provided with a part which is jointed and welded with the doorsill reinforcing plate and the doorsill inner plate.
The first vertical edge and the second vertical edge are respectively positioned above and below the main body in the Z direction, and the two fixed ends of the threshold reinforcing plate are also respectively positioned above and below the main body, so that the upper end of the threshold reinforcing plate can be fixedly connected with the inner plate of the threshold through the first vertical edge, and the preferred welding mode of the three is multilayer welding; further, the lower end of the sill reinforcing plate can be fixedly connected with the sill inner plate through the second vertical edge, and the welding mode of the sill reinforcing plate, the sill reinforcing plate and the sill inner plate is preferably multilayer welding.
In addition, compared with the single-layer welding, the multilayer welding has the advantages that the input heat can be reduced, the deformation can be reduced, and the probability of generating welding defects such as air holes, slag inclusion, incomplete penetration, incomplete fusion, cracks, pits, undercuts, welding beading and the like can be reduced for the thick-wall structure consisting of the inner sill plate, the first vertical edge and the sill reinforcing plate.
Preferably, the first vertical edge and the second vertical edge are both provided with portions welded to the rocker outer panel and the rocker inner panel at the same time in a direction away from the main body.
The first vertical edge and the second vertical edge are respectively positioned above and below the main body in the Z direction, the two fixed ends of the threshold outer plate are also respectively positioned above and below the main body, and the threshold outer plate is positioned on the outer side of the threshold reinforcing plate, so that the upper end of the threshold outer plate can be fixedly connected with the upper end of the threshold inner plate through the upper end of the first vertical edge, and the preferred welding mode of the three is multilayer welding; further, the lower end of the outer sill plate may be fixedly connected to the lower end of the inner sill plate via the lower end of the second vertical edge, and the welding method of the three is preferably multilayer welding.
Preferably, at least one notch is formed in the X direction at one end, fixedly connected with the inner sill plate, of the first vertical edge; at least one notch is formed in one end, fixedly connected with the inner doorsill plate, of the second vertical edge along the X direction.
The one end of first stile and threshold inner panel fixed connection has carried out the side cut optimization promptly in the upper end of first stile, with some positions that do not need the welding excision of first stile upper end to alleviate threshold structure's weight, thereby the upper end of first stile is along X to form the structure that has a plurality of breach. And similarly, the trimming optimization is also carried out on one end of the second vertical edge fixedly connected with the inner plate of the threshold, namely the lower end of the second vertical edge, and parts which do not need to be welded at the lower end of the second vertical edge are cut off to reduce the weight of the threshold structure, so that the lower end of the second vertical edge forms a structure with a plurality of notches along the X direction.
Preferably, the first vertical side, the second vertical side and the main body are provided with lightening holes.
Under the prerequisite of guaranteeing not to influence the rigidity intensity of strengthening part, in order to further lighten the weight of threshold structure, can seted up a plurality of lightening holes on first stile, second stile and the main part, the shape of lightening hole can be circular hole, oval-shaped hole, square hole or dysmorphism hole.
Preferably, at least one notch is formed in each of two ends, fixedly connected with the inner sill plate, of the reinforcing sill along the X direction.
The upper end of the threshold reinforcing plate is welded and fixed with the threshold inner plate through the first vertical edge, the lower end of the threshold reinforcing plate is fixed with the threshold inner plate through the second vertical edge, under the condition that the rigidity and the function of the threshold reinforcing plate are not influenced, the upper end and the lower end of the threshold reinforcing plate can be subjected to trimming optimization, parts which do not need to be welded are cut off, and a structure with a notch is formed in the X direction.
Preferably, a first guide part which is recessed into the cavity is arranged on one side of the main body facing the outer plate of the doorsill; the threshold reinforcing plate is provided with a second guide part corresponding to the first guide part.
The rocker reinforcing plate and the body are respectively provided with a first guide part and a second guide part which are adaptive to each other, and the rocker reinforcing plate and the body can be preferentially deformed along the first guide part and the second guide part under the condition that a vehicle is collided.
The invention also provides a vehicle, which comprises a fixing plate, a seat cross beam, a floor surface and the doorsill structure; the threshold inner plate is fixedly connected with the seat beam through the fixed plate, and the threshold inner plate is fixedly connected with the floor surface.
Because the reinforcing part of the vehicle threshold structure is additionally provided with the supporting plate, the energy absorption requirement of a vehicle during column collision is effectively met, the power battery pack can be protected, the living space of passengers can be ensured, and the reinforcing part is additionally provided with the Z-direction support for the threshold structure, so that the 25% offset collision and side collision performance of the vehicle can be effectively improved, and the bending rigidity of the vehicle body is greatly improved.
In summary, the present invention provides a doorsill structure, which includes a doorsill inner panel, a doorsill outer panel, a doorsill reinforcement panel, and a reinforcement member; the threshold reinforcing plate is arranged between the reinforcing part and the outer plate of the threshold, the reinforcing part is internally provided with a Z-direction supporting plate, a first vertical edge and a second vertical edge which respectively extend upwards and downwards and are fixed at the top and the bottom of the threshold, and Y-direction and Z-direction support of the threshold is increased.
Therefore, the technical problems that the Y-direction bearing capacity of the first threshold structure is limited due to the fact that the reinforcing parts of the first threshold structure are not supported inside, and the Z-direction of the second threshold structure is not supported by the reinforcing parts of the first threshold structure and the second threshold structure are solved, and under the condition that 25% of offset collision occurs, the first threshold structure and the second threshold structure are easy to bend are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described 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 body in white overall view;
FIG. 2 is a cross-sectional view taken along line A-A of a threshold structure according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of a first threshold structure of the prior art;
fig. 4 is a cross-sectional view taken along a line a-a of a second threshold structure of the prior art.
In the drawings, the reference numerals denote the following components:
a threshold inner panel-1; a threshold outer panel-2; a reinforcing member-3; a main body-301; a first vertical side-302; a second upright-303; a sill stiffener-4; a fixed plate-5; a seat cross-member-6; floor surface-7.
Detailed Description
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Referring to fig. 1-2, in order to prevent the energy absorption capability of the rocker from being greatly affected when the size of the battery pack is increased, the invention provides a rocker structure, which includes a rocker inner plate 1, a rocker outer plate 2 and a reinforcing member 3; an accommodating cavity is formed between the inner threshold plate 1 and the outer threshold plate 2, and the reinforcing component 3 is arranged in the accommodating cavity along the X direction; the reinforcing component 3 comprises a first vertical edge 302, a main body 301 and a second vertical edge 303 which are connected in sequence in the Z direction; the body 301 comprises at least two cavities extending along the X-direction and a Z-direction support plate between the cavities; the first standing edge 302 and the second standing edge 303 are fixed at the top and the bottom of the accommodating chamber respectively.
As a further preferred embodiment, on the basis of the above-mentioned solutions, specific examples of the present invention may further include one or more of the following additions or combinations;
the reinforcing component 3 is in a roll forming structure; the main body 301 includes two cavities extending in the X-direction and a Z-direction support plate between the two cavities; the main body 301 is fixedly connected with the contact parts of the first vertical edge 302 and the second vertical edge 303 to form a closed cavity; the first standing edge 302 and the second standing edge 303 extend in the Z direction and are fixed to the top and bottom of the receiving chamber, respectively. Or the sill structure further comprises a sill reinforcing plate 4; the rocker reinforcement plate 4 is extended along the X direction and disposed between the main body 301 and the rocker outer panel 2; both ends of the sill reinforcing plate 4 are fixed to the top and bottom of the accommodating chamber, respectively. Or the first vertical edge 302 is provided with a part which is jointed and welded with the threshold reinforcing plate 4 and the threshold inner plate 1; the second stile 303 has a portion to be welded to the rocker reinforcement 4 and the rocker inner panel 1. Or from a direction away from the main body 301, the first and second standing edges 302 and 303 each have a portion welded to both the rocker outer panel 2 and the rocker inner panel 1. Or one end of the first vertical edge 302 fixedly connected with the sill inner plate 1 is provided with at least one notch along the X direction; at least one notch is formed in the X direction at one end of the second vertical edge 303 fixedly connected with the inner sill plate 1. Or the first vertical side 302, the second vertical side 303 and the main body 301 are provided with lightening holes. Or at least one notch is arranged at the two ends of the sill reinforcing plate 4 fixedly connected with the sill inner plate 1 along the X direction. Or one side of the main body 301 facing the threshold outer plate 2 is provided with a first guide part which is sunken into the cavity; the rocker reinforcement plate 4 is provided with a second guide portion corresponding to the first guide portion.
The invention also provides a vehicle, which comprises a fixing plate 5, a seat cross beam 6, a floor surface 7 and the doorsill structure; the threshold inner plate 1 is fixedly connected with the seat beam 6 through the fixing plate 5, and the threshold inner plate 1 is fixedly connected with the floor surface 7.
In a specific embodiment, the rocker structure includes a rocker inner panel 1, a rocker outer panel 2, a rocker reinforcement panel 4, and a reinforcement member 3; threshold planking 2 and threshold inner panel 1 fixed connection enclose into one and hold the cavity along X to the extension, threshold reinforcing plate 4 and reinforcing component 3 set up in holding the cavity along X to extending, and threshold reinforcing plate 4 sets up between reinforcing component 3 and threshold planking 2, wherein reinforcing component 3 is the roll-in shaping structure, reinforcing component 3 includes that Y has main part 301 of two adjacent cavities and along first stile 302 and the second stile 303 of Z to roll-in extrusion to the cross-section, first stile 302 and second stile 303 and the contact site welded fastening of main part 301 to form closed cavity. The ends of the first and second stiles 302 and 303 are secured to the top and bottom of the receiving chamber, respectively. Wherein, the end of the first vertical edge 302 is the upper end of the first vertical edge 302, the end of the second vertical edge 303 is the lower end of the second vertical edge 303, and the two ends of the sill reinforcing plate 4 are also fixed at the top and the bottom of the accommodating chamber respectively. One section of the first vertical edge 302 is welded between the rocker reinforcement plate 4 and the rocker inner plate 1 in an attaching manner, and one section of the second vertical edge 303 is welded between the rocker reinforcement plate 4 and the rocker inner plate 1 in an attaching manner. The end of the first vertical edge 302 is welded between the outer sill panel 2 and the inner sill panel 1, and the end of the second vertical edge 303 is welded between the outer sill panel 2 and the inner sill panel 1. The end of the first standing edge 302, the end of the second standing edge 303, and both fixed ends of the sill reinforcing plate 4 are trimmed. The first standing edge 302, the second standing edge 303 and the main body 301 are provided with lightening holes.
In another specific embodiment, the rocker structure includes a rocker inner panel 1, a rocker outer panel 2, and a reinforcement member 3; threshold planking 2 and threshold inner panel 1 fixed connection enclose into one and hold the cavity along X to the extension, and reinforcing component 3 sets up in holding the cavity along X to extending, and wherein reinforcing component 3 is roll-formed structure, and reinforcing component 3 includes that Y has main part 301 of two adjacent cavities and along the first stile 302 and the second stile 303 of Z to roll-out to the cross-section, and the first stile 302 and the second stile 303 are fixed with the contact site welded of main part 301 to form closed cavity. The ends of the first and second stiles 302 and 303 are secured to the top and bottom of the receiving chamber, respectively. The end of the first vertical edge 302 is welded between the outer sill panel 2 and the inner sill panel 1, and the end of the second vertical edge 303 is welded between the outer sill panel 2 and the inner sill panel 1. The end of the first vertical edge 302 and the end of the second vertical edge 303 are optimized for trimming. The first standing edge 302, the second standing edge 303 and the main body 301 are provided with lightening holes.
In some preferred embodiments, the rocker structure includes a rocker inner panel 1, a rocker outer panel 2, a rocker reinforcement panel 4, and a reinforcement member 3; threshold planking 2 and threshold inner panel 1 fixed connection, enclose into one along X to the extension hold the cavity, threshold reinforcing plate 4 and reinforcement member 3 are along X to extending the setting in holding the cavity, and threshold reinforcing plate 4 sets up between reinforcement member 3 and threshold planking 2, wherein reinforcement member 3 is roll-in shaping structure, reinforcement member 3 includes that Y has the main part 301 of two adjacent cavities and follows the first stile 302 and the second stile 303 of Z to roll-out to the cross-section, the contact site welded fastening of first stile 302 and second stile 303 and main part 301, in order to form closed cavity. The ends of the first and second stiles 302 and 303 are secured to the top and bottom of the receiving chamber, respectively. The two ends of the sill reinforcing plate 4 are also fixed to the top and bottom of the accommodating chamber, respectively. One section of the first vertical edge 302 is welded between the rocker reinforcement plate 4 and the rocker inner plate 1 in an attaching manner, and one section of the second vertical edge 303 is welded between the rocker reinforcement plate 4 and the rocker inner plate 1 in an attaching manner. The end of the first vertical edge 302 is welded between the outer sill panel 2 and the inner sill panel 1, and the end of the second vertical edge 303 is welded between the outer sill panel 2 and the inner sill panel 1.
In other preferred embodiments, the rocker structure includes a rocker inner panel 1, a rocker outer panel 2, and a reinforcement member 3; threshold planking 2 and threshold inner panel 1 fixed connection enclose into one and hold the cavity along X to the extension, and reinforcing component 3 sets up in holding the cavity along X to extending, and wherein reinforcing component 3 is roll-formed structure, and reinforcing component 3 includes that Y has main part 301 of two adjacent cavities and along the first stile 302 and the second stile 303 of Z to roll-out to the cross-section, and the first stile 302 and the second stile 303 are fixed with the contact site welded of main part 301 to form closed cavity. The ends of the first and second stiles 302 and 303 are secured to the top and bottom of the receiving chamber, respectively. The end of the first vertical edge 302 is welded between the outer sill panel 2 and the inner sill panel 1, and the end of the second vertical edge 303 is welded between the outer sill panel 2 and the inner sill panel 1.
The invention also provides a vehicle, which comprises a fixed plate 5, a seat cross beam 6, a floor surface 7 and the doorsill structure; the threshold inner plate 1 is fixedly connected with the seat beam 6 through the fixing plate 5, and the threshold inner plate 1 is fixedly connected with the floor surface 7.
Because the reinforcing part 3 of the vehicle threshold structure is additionally provided with the internal support, the energy absorption requirement of the vehicle during pillar collision is effectively met, the power battery pack can be protected, the living space of passengers can be ensured, and the reinforcing part 3 is additionally provided with the Z-direction support for the threshold structure, so that the 25% offset collision and side collision performance of the vehicle is improved, and the bending rigidity of the vehicle body is also greatly improved.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A threshold structure is characterized in that the threshold structure comprises a threshold inner plate, a threshold outer plate and a reinforcing component; an accommodating cavity is formed between the inner threshold plate and the outer threshold plate, and the reinforcing component is arranged in the accommodating cavity along the X direction;
the reinforcing component comprises a first vertical edge, a main body and a second vertical edge which are sequentially connected in the Z direction;
the main body comprises at least two cavities extending along the X direction and a Z-direction supporting plate between the cavities;
the first vertical edge and the second vertical edge are respectively fixed at the top and the bottom of the accommodating chamber.
2. The rocker structure of claim 1,
the reinforcing component is of a roll forming structure;
the main body comprises two cavities extending along the X direction and a Z-direction supporting plate between the two cavities;
the main body is fixedly connected with the contact parts of the first vertical edge and the second vertical edge to form a closed cavity;
the first vertical edge and the second vertical edge extend along the Z direction and are respectively fixed at the top and the bottom of the accommodating chamber.
3. The rocker structure of claim 1 or 2,
the doorsill structure further comprises a doorsill reinforcing plate;
the threshold reinforcing plate extends along the X direction and is arranged between the main body and the threshold outer plate;
and two ends of the threshold reinforcing plate are respectively fixed at the top and the bottom of the accommodating chamber.
4. The rocker structure of claim 3,
the first vertical edge is provided with a part which is jointed and welded with the doorsill reinforcing plate and the doorsill inner plate; and the second vertical edge is provided with a part which is jointed and welded with the doorsill reinforcing plate and the doorsill inner plate.
5. The rocker structure of claim 4,
from the direction of keeping away from the main part, first stile and second stile all have the part with threshold planking and threshold inner panel welding simultaneously.
6. The rocker structure of claim 5,
at least one notch is formed in the X direction at one end, fixedly connected with the inner threshold plate, of the first vertical edge;
and at least one notch is formed in the X direction at one end of the second vertical edge fixedly connected with the inner doorsill plate.
7. The rocker structure of claim 6,
the first vertical edge, the second vertical edge and the main body are all provided with lightening holes.
8. The rocker structure of claim 7,
and at least one notch is formed in the X direction at each of two ends of the doorsill reinforcing plate fixedly connected with the doorsill inner plate.
9. The rocker structure of claim 8,
one side of the main body facing the outer plate of the threshold is provided with a first guide part which is sunken into the cavity;
the threshold reinforcing plate is provided with a second guide part corresponding to the first guide part.
10. A vehicle, characterized in that the vehicle comprises a fixing plate, a seat cross member, a floor surface, and a rocker structure according to any one of claims 1 to 9;
the inner doorsill plate is fixedly connected with the seat beam through the fixing plate, and the inner doorsill plate is fixedly connected with the floor surface.
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| CN202210301903.8A CN114684277B (en) | 2022-03-24 | 2022-03-24 | Threshold structure and vehicle |
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| US9882253B1 (en) * | 2016-09-07 | 2018-01-30 | Thunder Power New Energy Vehicle Development Company Limited | Cooled busbars and plate |
| CN107985421A (en) * | 2017-11-28 | 2018-05-04 | 浙江众泰汽车制造有限公司 | Automobile door sill assembly |
| CN207773274U (en) * | 2018-01-30 | 2018-08-28 | 长城汽车股份有限公司 | Preceding floor panel assembly and vehicle |
| CN209757269U (en) * | 2019-04-18 | 2019-12-10 | 长城汽车股份有限公司 | Side wall threshold beam structure and car |
| CN210971298U (en) * | 2019-09-30 | 2020-07-10 | 比亚迪股份有限公司 | Vehicle threshold roof beam assembly and vehicle |
| CN212354178U (en) * | 2020-05-12 | 2021-01-15 | 中国第一汽车股份有限公司 | Electric vehicle's threshold structure and electric vehicle |
| CN212579992U (en) * | 2020-07-01 | 2021-02-23 | 恒大新能源汽车投资控股集团有限公司 | Threshold beam structure, automobile body subassembly and vehicle |
| CN215851513U (en) * | 2021-09-02 | 2022-02-18 | 上海洛轲智能科技有限公司 | Vehicle body threshold and vehicle |
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2022
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| KR20010060919A (en) * | 1999-12-28 | 2001-07-07 | 이계안 | reinforcement structure of sill side portion for vehicle |
| JP2010143476A (en) * | 2008-12-19 | 2010-07-01 | Toyota Motor Corp | Vehicle body side part structure |
| US9882253B1 (en) * | 2016-09-07 | 2018-01-30 | Thunder Power New Energy Vehicle Development Company Limited | Cooled busbars and plate |
| CN107416041A (en) * | 2017-04-28 | 2017-12-01 | 奇瑞汽车股份有限公司 | A kind of body of a motor car jack strong point reinforcement structure |
| CN107985421A (en) * | 2017-11-28 | 2018-05-04 | 浙江众泰汽车制造有限公司 | Automobile door sill assembly |
| CN207773274U (en) * | 2018-01-30 | 2018-08-28 | 长城汽车股份有限公司 | Preceding floor panel assembly and vehicle |
| CN209757269U (en) * | 2019-04-18 | 2019-12-10 | 长城汽车股份有限公司 | Side wall threshold beam structure and car |
| CN210971298U (en) * | 2019-09-30 | 2020-07-10 | 比亚迪股份有限公司 | Vehicle threshold roof beam assembly and vehicle |
| CN212354178U (en) * | 2020-05-12 | 2021-01-15 | 中国第一汽车股份有限公司 | Electric vehicle's threshold structure and electric vehicle |
| CN212579992U (en) * | 2020-07-01 | 2021-02-23 | 恒大新能源汽车投资控股集团有限公司 | Threshold beam structure, automobile body subassembly and vehicle |
| CN215851513U (en) * | 2021-09-02 | 2022-02-18 | 上海洛轲智能科技有限公司 | Vehicle body threshold and vehicle |
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| Publication number | Publication date |
|---|---|
| CN114684277B (en) | 2023-07-21 |
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