CN211731599U - Vehicle body floor assembly, battery pack thereof and vehicle - Google Patents
Vehicle body floor assembly, battery pack thereof and vehicle Download PDFInfo
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- CN211731599U CN211731599U CN201922498817.7U CN201922498817U CN211731599U CN 211731599 U CN211731599 U CN 211731599U CN 201922498817 U CN201922498817 U CN 201922498817U CN 211731599 U CN211731599 U CN 211731599U
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Abstract
The disclosure relates to a vehicle body floor assembly, a battery pack and a vehicle thereof. The vehicle body floor assembly comprises a vehicle body floor, a battery pack and a first fastener, wherein the battery pack comprises a battery tray and a cover plate, the cover plate is covered on the frame in a sealing mode so as to define a containing space used for containing the battery module together with the battery tray, an opening is formed in the vehicle body floor, the cover plate of the battery pack blocks the opening, and one end of the first fastener penetrates through the vehicle body floor and the cover plate in sequence and is fixed on the battery tray so as to connect the vehicle body floor, the cover plate and the battery tray into a whole. In this automobile body floor assembly, can promote the intensity that battery package and automobile body are connected, and be favorable to promoting whole car Z to utilizing the space.
Description
Technical Field
The disclosure relates to the technical field of battery packs, in particular to a vehicle body floor assembly, a battery pack of the vehicle body floor assembly and a vehicle of the vehicle body floor assembly.
Background
In the existing typical design, the power battery pack comprises a battery tray, a cover plate which is covered on the battery tray in a sealing manner, and parts such as a battery module, a cooling system and the like which are arranged in the battery tray and the cover plate. The left side and the right side of the battery tray are installed on the vehicle body through bolts to realize the fixed connection of the battery pack and the vehicle body. However, the above-mentioned connection method of the battery pack and the vehicle body has at least the following disadvantages:
the power battery pack and the vehicle body are two independent systems and are in mechanical connection only through bolt screwing, the power battery pack is not connected with the vehicle body except for the mounting points of the battery packs on two sides, namely the battery tray is in screwing connection with the vehicle body, and the cover plate is independent of the large-area in the middle of the floor in a relatively suspended mode. The weak connectivity of power battery package and automobile body causes the battery package joint strength low, and power battery package rocks the volume greatly at the vehicle in-process, threatens battery package safety, passenger's safety especially under extreme operating mode.
Secondly, in order to avoid collision and extrusion of the power battery pack and the vehicle body caused by vibration in the running process of the vehicle, a gap exists between the cover plate and the floor of the vehicle body, and the height of the gap is about 8-12 mm. The existence of the gap reduces the available space in the Z direction of the whole vehicle, reduces the ground clearance of the power battery pack and influences the trafficability characteristic of the vehicle.
SUMMERY OF THE UTILITY MODEL
The purpose of the disclosure is to provide a vehicle body floor assembly, a battery pack thereof and a vehicle, wherein in the vehicle body floor assembly, the connection strength of the battery pack and a vehicle body can be improved, and the Z-direction utilization space of the whole vehicle can be favorably improved.
In order to achieve the above object, the present disclosure provides a vehicle body floor assembly, which includes a vehicle body floor, a battery pack, and a first fastening member, wherein the battery pack includes a battery tray and a cover plate, the cover plate is hermetically covered on the battery tray to define a receiving space for receiving a battery module together with the battery tray, an opening is formed in the vehicle body floor, the cover plate of the battery pack blocks the opening, and one end of the first fastening member sequentially penetrates through the vehicle body floor, the cover plate and is fixed to the battery tray, so as to connect the vehicle body floor, the cover plate and the battery tray into a whole.
Optionally, the vehicle body floor assembly further comprises a pair of mounting longitudinal beams connected to the vehicle body floor in a vehicle width direction, and a plurality of second fasteners, and the left and right sides of the battery tray are connected to the corresponding mounting longitudinal beams through the second fasteners.
Optionally, the battery tray includes a bottom plate and a frame disposed around the bottom plate, an outer edge of the cover plate protrudes out of an outer wall of the frame, both left and right sides of the frame are provided with protrusions, the first fastener connects the vehicle body floor, a portion of the cover plate protruding out of the frame, and the protrusions into a whole, the protrusions are provided with lugs extending in a direction of vehicle width away from the frame, and the second fastener connects the lugs with the mounting side rails into a whole.
Alternatively, the protruding portion is a hollow structure and has a connecting plate arranged substantially in the vehicle width direction.
Optionally, the projection comprises a horizontal plate, a first diagonal plate, a second diagonal plate, and a third diagonal plate, the horizontal plate is connected with the cover plate, one end of the horizontal plate is connected with the frame, the other end of the horizontal plate is connected with the upper end of the first inclined plate, the upper end of the second inclined plate is connected with the lower end of the first inclined plate, the lower end of the second inclined plate is connected with the frame, one end of the third inclined plate is connected with the joint part of the first inclined plate and the second inclined plate, and the other end of the third inclined plate is connected with the frame, the distance value from the joint part of the first inclined plate and the second inclined plate to the outer wall of the frame in the width direction of the vehicle is larger than the width value of the horizontal plate, the second inclined plate and the third inclined plate are constructed into a V-shaped structure with an opening facing the frame, and the lug is arranged at the joint part of the first inclined plate and the second inclined plate.
Optionally, the cover plate is of a flat plate structure.
Optionally, the battery tray includes a bottom plate and a frame disposed around the bottom plate, the frame is configured to have a hollow structure inside, a connection rib is disposed in the hollow portion, and a reinforcing rib is disposed between the frame and the bottom plate.
Optionally, the vehicle body floor assembly still includes left threshold inner panel, right threshold inner panel and connects left side threshold inner panel with the seat crossbeam between the right threshold inner panel, the battery package still includes the installation roof beam that sets up on the apron, the vehicle body floor assembly still includes the third fastener, the third fastener will the seat crossbeam with the installation roof beam is even as an organic whole.
Optionally, the mounting beam extends in the width direction of the vehicle, the cross section of the seat cross beam includes an n-shaped plate and first and second flanges formed on the front and rear sides of the n-shaped plate, the mounting beams are multiple, the mounting beams are arranged at intervals in the length direction of the vehicle, and one end of the third fastener penetrates through the first or second flanges to connect with the corresponding mounting beam.
Optionally, the vehicle body floor assembly further comprises a sealing ring disposed around the opening and located between the vehicle body floor and the cover plate.
According to another aspect of the present disclosure, a battery pack is provided, wherein the battery pack is the battery pack of the vehicle body floor assembly.
According to still another aspect of the present disclosure, a vehicle is provided, which includes the above vehicle body floor assembly and the battery pack.
Through the technical scheme, the cover plate blocks the opening on the vehicle body floor and forms the floor of the vehicle together with other parts of the vehicle body floor. The cover plate of the battery pack not only plays a role of sealing the battery tray, but also serves as a part of the floor of the vehicle body. Equivalently, the traditional vehicle body floor and the traditional battery pack cover plate are combined into a whole, and the integrated design is beneficial to reducing the weight of the vehicle body and improving the endurance mileage of the vehicle. In addition, because the Z-direction gap between the floor and the cover plate of the traditional vehicle body is saved, namely the battery pack is lifted integrally, the Z-direction space is fully utilized, the ground clearance of the vehicle body is increased, and the improvement of the road surface trafficability of the vehicle is facilitated. In addition, because the Z-direction space utilization rate is improved, the total arrangement pressure is relieved, and the weight of the front floor assembly is reduced. The mounting structure for mounting the battery pack on the vehicle body floor can be matched with the battery pack to lift up to reduce the design height, so that the weight of the mounting structure is reduced, and the weight of the vehicle body floor assembly is further reduced.
And, compare in the unsettled and disconnected scheme between apron and the automobile body floor of battery package among the prior art, in this disclosure, the apron and the automobile body floor contact of battery package, and through setting up first fastener with the automobile body floor, apron and battery tray are even as an organic whole, not only realize being connected on battery package and automobile body floor through same fastener, and also link together apron and battery tray, make battery package upper portion and the central weak region on upper portion all have the relation of being connected with the automobile body, can improve the joint strength of battery package and automobile body, reduce the rocking of battery package under the extreme condition, be favorable to guaranteeing battery package safety, passenger's safety.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a schematic top perspective view of a vehicle body floor assembly according to an embodiment of the present disclosure;
FIG. 2 is a schematic bottom perspective view of a vehicle body floor assembly according to an embodiment of the present disclosure;
FIG. 3 is a schematic cross-sectional perspective view in the vehicle width direction (Y direction) of a vehicle body floor assembly according to an embodiment of the present disclosure, wherein arrows show a force transmission path during a side impact of a vehicle;
FIG. 4 is a schematic cross-sectional front view in the vehicle width direction (Y direction) of a vehicle body floor assembly according to an embodiment of the present disclosure; wherein the arrows show the force transfer paths when the vehicle is in frontal impact;
FIG. 5 is another schematic cross-sectional view in the vehicle width direction (Y-direction) of a vehicle body floor assembly according to an embodiment of the present disclosure;
FIG. 6 is a schematic cross-sectional view in the vehicle length direction (X direction) of a vehicle body floor assembly according to an embodiment of the present disclosure;
FIG. 7 is a schematic perspective view from a top side view of a vehicle body floor according to an embodiment of the present disclosure;
fig. 8 is a schematic position diagram of a vehicle body floor and a battery pack in an underside view of a vehicle body floor assembly according to an embodiment of the present disclosure.
Description of the reference numerals
200-vehicle body floor; 201-opening; 210-mounting a longitudinal beam; 221-a left sill inner panel; 222-a right sill inner panel; 230-a seat beam; 231-seat front cross member; 232-seat rear cross member; 233-n plate shape; 234 — first flange; 235-a second flange; 241-left connecting plate; 242-right connecting plate; 251-a left connecting beam; 252-right connecting beam; 260-nut mounting plate; 271-a first nut; 272-a second nut; 273-third nut; 280-sealing ring; 291-upper left stringer of front floor; 292-front floor right upper stringer; 100-a battery pack; 10-a battery tray; 11-a base plate; 12-a frame; 121-connecting ribs; 13-a projection; 131-a first inclined plate; 132-a second inclined plate; 133-a third inclined plate; 134-horizontal plate; 14-a lug; 15-reinforcing ribs; 20-cover plate; 30-mounting a beam; 300-a first fastener; 400-a second fastener; 500-a third fastener; s1, S2-force transfer path; a-axis.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise stated, the terms of orientation such as "up, down, left, and right" are generally used to refer to up, down, left, and right of the vehicle when the vehicle normally travels, and the front-rear direction of the vehicle is the longitudinal direction of the vehicle, that is, the X direction; the left and right directions of the vehicle are the width direction of the vehicle, namely the Y direction; the vertical direction of the vehicle is the height direction of the vehicle, i.e., the Z direction. In addition, "inside and outside" refers to the inside and outside of the associated zero contour. Furthermore, terms such as "first," "second," and the like, are used herein to distinguish one element from another, and are not necessarily sequential or significant.
As shown in fig. 1 to 8, according to an aspect of the present disclosure, there is provided a vehicle body floor assembly including a vehicle body floor 200, a battery pack 100, and a first fastening member 300, the battery pack 100 including a battery tray 10 and a cover plate 20, the cover plate 20 being hermetically fitted over the battery tray 10 to define a receiving space for receiving a battery module together with the battery tray 10. Wherein, the vehicle body floor 200 is provided with an opening 201, that is, a hole is left on the vehicle body floor 200, the cover plate 20 of the battery pack 100 blocks the opening 201, and one end of the first fastening member 300 sequentially penetrates through the vehicle body floor 200 and the cover plate 20 and is fixed to the battery tray 10, so as to connect the floor, the cover plate 20 and the battery tray 10 into a whole.
With the above-described configuration, the cover 20 blocks the opening 201 in the vehicle body floor 200 and configures the opening as a floor of the vehicle together with other portions of the vehicle body floor 200. The cover plate 20 of the battery pack 100 functions both to seal the battery tray 10 and to serve as a part of the vehicle body floor 200. Equivalently, the traditional vehicle body floor and the traditional battery pack cover plate are combined into a whole, and the integrated design is beneficial to reducing the weight of the vehicle body and improving the endurance mileage of the vehicle. In addition, because the Z-direction gap between the floor and the cover plate of the traditional vehicle body is saved, namely the battery pack 100 is lifted integrally, the Z-direction space is fully utilized, the ground clearance of the vehicle body is increased, and the improvement of the road surface trafficability of the vehicle is facilitated. In addition, because the Z-direction space utilization rate is improved, the total arrangement pressure is relieved, and the weight of the front floor assembly is reduced. The mounting structure (mounting longitudinal beam 210) for mounting the battery pack 100 on the vehicle body floor 200 can be lowered in design height in cooperation with the lifting of the battery pack 100, so that the mounting structure is reduced in weight, and the weight of the vehicle body floor assembly is further reduced.
And, compare in the unsettled and disconnected scheme between the apron of battery package and the automobile body floor among the prior art, in this disclosure, apron 20 of battery package 100 contacts with automobile body floor 200, and through setting up first fastener 300 with automobile body floor 200, apron 20 and battery tray 10 fuse as an organic whole, not only realize being connected of battery package 100 and automobile body floor 200 through same fastener, and also link together apron 20 and battery tray 10, make battery package 100 upper portion and the central weak region of upper portion all have the relation of being connected with the automobile body, can improve the joint strength of battery package 100 and automobile body, reduce battery package 100 and rock under the extreme operating mode, be favorable to guaranteeing battery package 100 safety, passenger's safety.
The first fastening member 300 may be a fastening bolt or a screw, and during specific installation, a threaded hole may be formed in the battery tray 10 or a pre-embedded threaded sleeve may be fitted with the first fastening member 300. As shown in fig. 3 and 4, in one embodiment of the present disclosure, the first fastening member 300 may be a fastening bolt, and the battery tray 10 is provided with a first nut 271 engaged with the fastening bolt.
Further, as shown in fig. 2 and 5, the vehicle body floor assembly further includes a pair of mounting side members 210 attached to the vehicle body floor 200 in opposition in the vehicle width direction (Y direction), and a plurality of second fastening members 400, and the left and right sides of the battery tray 10 are connected to the corresponding mounting side members 210 by the second fastening members 400. The connection points of the battery pack 100 and the vehicle body are increased, so that the connection relation exists among the lower part, the upper part and the central weak area of the upper part of the battery pack 100 and the vehicle body, the connection integrity of the battery pack 100 and the vehicle body is further improved, and the connection strength of the battery pack 100 and the vehicle body is further improved.
Alternatively, as shown in fig. 2, in an embodiment of the present disclosure, a pair of mounting longitudinal beams 210 may be welded to the lower side of the floor, and the second nut 272 may be welded to the nut mounting plate 260 to form a nut mounting plate assembly, and the nut mounting plate assembly may be welded in the groove of the mounting longitudinal beam 210 by the vehicle according to the number and the position of the mounting points of the power battery pack.
As shown in fig. 5, in an embodiment of the present disclosure, the battery tray 10 includes a bottom plate 11 and a frame 12 disposed around the bottom plate 11, an outer edge of the cover plate 20 protrudes out of an outer wall of the frame 12, protruding portions 13 are disposed on both left and right sides of the frame 12, and the first fastening member 300 integrally connects the vehicle body floor 200, a portion of the cover plate 20 protruding out of the frame 12, and the protruding portions 13. The projecting portion 13 is provided with a lug 14 extending in the vehicle width direction away from the side frame 12, and the second fastener 400 integrally connects the lug 14 and the mounting side member 210.
In the present embodiment, the size of the cover plate 20 is slightly larger than the size of the opening 201 on the vehicle body floor 200, the protruding portion 13 is arranged on the frame 12 to be connected with the vehicle body floor 200, and the protruding portion 13 is provided with both the lug 14 and the mounting longitudinal beam 210, so that the upper side and the lower side of the frame 12 are simultaneously connected and fixed with the vehicle body, so that the frame 12 is integrally connected with the vehicle body, when the whole vehicle is in a frontal collision, the mounting longitudinal beam 210 and the frame 12 (especially the protruding portion 13) on the left side and the right side of the vehicle body floor 200 can be used as force transmission paths, the side beam structure of the battery tray 10 configured by the frame 12 and the protruding portion 13 participates in the collision, and the frontal collision force transmission path is increased from the single force transmission path of the battery pack mounting beam in the prior art to the double force transmission paths of the mounting longitudinal. As shown in fig. 3. The newly added side beam structure provides another force transmission path S2 for head-on collision except for the force transmission path S1 of the installation longitudinal beam 210, and four head-on collision force transmission paths are arranged on the left and right in the invention, so that the transmission and decomposition efficiency of the head-on collision force of the vehicle is further improved.
In order to increase the safety of the battery pack 100 during the side impact of the vehicle, the protruding portion 13 is a hollow structure and has a connecting plate arranged substantially along the width direction of the vehicle, so that the hollow structure can play a role in collapsing and absorbing energy during the side impact of the vehicle, and the existence of the hollow structure and the connecting plate can increase the path of lateral force transmission during the side impact, thereby facilitating the dispersion and weakening of the side impact force.
As shown in fig. 4, when the collision force of the side collision is transmitted to the protruding portion 13, the protruding portion 13 and the frame 12 tend to turn over along the axis a in the height direction of the vehicle, and the protruding portion 13 and the vehicle body are connected as a whole by the first fastening member 300, so that the frame 12 and the protruding portion 13 are prevented from turning over, the safety of the battery module in the battery pack 100 is ensured, and the safety of the vehicle and the passengers in the cabin is further ensured.
The present disclosure does not limit the specific molding manner of the convex portion 13. Alternatively, the aluminum material may be extruded using, for example, an extrusion process.
Wherein the cross-section of the protrusion 13 may have any suitable shape. As shown in fig. 5, in one embodiment of the present disclosure, the protruding portion 13 may include a horizontal plate 134, a first inclined plate 131, a second inclined plate 132, and a third inclined plate 133, the horizontal plate 134 is connected to the cover plate 20, one end of the horizontal plate 134 is connected to the bezel 12 and the other end is connected to an upper end of the first inclined plate 131, an upper end of the second inclined plate 132 is connected to a lower end of the first inclined plate 131 and the lower end is connected to the bezel 12, one end of the third inclined plate is connected to a combined portion of the first inclined plate 131 and the second inclined plate 132 and the other end is connected to the bezel 12, a distance value from the combined portion of the first inclined plate 131 and the second inclined plate 132 to an outer wall of the bezel 12 in a width direction of the vehicle is greater than a width value of the horizontal plate 134, the second inclined plate 132 and the third inclined plate 133 are configured in a V-shaped structure with an opening toward the bezel 12, the lug 14 is disposed at the combined portion of the first inclined plate 131 and the second inclined plate 132, that is, the lugs 14 extend from the joint portion of the first inclined plate 131 and the second inclined plate 132 toward the corresponding mounting beam 210.
Thus, when a vehicle is subjected to a side impact, as shown in fig. 4, the side impact force transmitted from the lug 14 has three transmission paths, wherein one path of the impact force can be transmitted to the vehicle body through the first inclined plate 131 and the horizontal plate 134, and the other two paths of the impact force are transmitted to the frame 12 through the second inclined plate 132 and the third inclined plate 133, respectively, so that the side impact force can be dispersed and weakened, and the damage of the impact force to the battery pack 100 can be reduced.
In the present disclosure, the inside of the frame 12 of the battery tray 10 is configured as a hollow structure and the connection rib 121 is provided in the hollow portion, and the reinforcing rib 15 is provided between the frame 12 and the bottom plate 11. The hollow structure and the connecting ribs 121 provide a function of reducing and dispersing the impact force, and contribute to the weight reduction of the battery tray 10. Meanwhile, the reinforcing ribs 15 are arranged, so that the connection strength of the bottom plate 11 and the frame 12 can be improved.
As shown in fig. 4 and 5, in one embodiment of the present disclosure, the cover plate 20 may have a flat plate structure. Compared with a semi-closed cover-shaped structure adopted in the prior art, the cover plate 20 is of a flat plate structure, so that the Z-direction space is saved, and the structural strength of the cover plate 20 is improved.
As shown in fig. 1 and 2, in one embodiment of the present disclosure, the vehicle body floor assembly further includes a left rocker inner panel 221, a right rocker inner panel 222, and a seat cross member 230 connected between the left rocker inner panel 221 and the right rocker inner panel 222. The battery pack 100 further includes a mounting beam 30 provided on the cap plate 20. The vehicle body floor assembly further includes a third fastener 500, and the third fastener 500 integrally connects the seat cross member 230 and the mounting beam 30. By providing the mounting beam 30 to be connected to the seat cross member 230, points at which the battery pack 100 is connected to the vehicle body are increased, and the connection strength of the battery pack 100 to the vehicle is further enhanced.
Alternatively, the mounting beam 30 extends in the width direction of the vehicle, i.e., in line with the extending direction of the seat cross member 230. Because the mounting beams 30 extend in the width direction of the vehicle body, the mounting beams 30 on the battery pack 100 can be used as force transmission paths to transmit and disperse side impact forces when the side pillars of the whole vehicle collide, and the safety of the vehicle, passengers and the battery pack 100 is further ensured.
Further, the seat cross member 230 may be plural, and includes a seat front cross member 231 and a seat rear cross member 232, and the seat front cross member 231 and the seat rear cross member 232 are connected to the corresponding mounting beams 30.
The present disclosure does not limit a specific connection structure of the seat cross member 230 and the mounting beam 30, and as shown in fig. 6, in one embodiment of the present disclosure, a cross section of the seat cross member 230 includes an n-shaped plate 233 and first and second flanges 234 and 235 formed at front and rear sides of the n-shaped plate 233. The mounting beam 30 is plural, the plural mounting beams 30 are arranged at intervals along the length direction of the vehicle, and one end of the third fastener 500 passes through the first flange 234 or the second flange 235 to be connected with the corresponding mounting beam 30. Specifically, a hole may be formed in the mounting beam 30 and a third nut 273 may be disposed in the hole, and the third fastener 500 may be a connection bolt that is screwed into the third nut 273 to achieve a secure connection therebetween.
As shown in fig. 6 and 8, the number of the mounting beams 30 may be four, and the seat front cross member 231 corresponds to two mounting beams 30, and the seat rear cross member 232 corresponds to two mounting beams 30.
It should be noted that the number of the cross beams and the mounting beams 30 of the present disclosure is not limited, and other cross beams may be provided in addition to the seat front cross beam 231 and the seat rear cross beam 232. The number of mounting beams 30 per beam may be any number other than two.
In the present disclosure, the mounting beam 30 may be attached to the cover plate 20 in any suitable manner, such as welding or bolting.
As shown in fig. 4, in one embodiment of the present disclosure, the vehicle body floor assembly further includes a sealing ring 280, and the sealing ring 280 is disposed around the opening 201 and between the vehicle body floor 200 and the cover plate 20. By providing the seal ring 280, it is possible to prevent water and dust from entering the vehicle interior through between the cover plate 20 and the vehicle body floor 200, thereby facilitating the guarantee of the environment in the passenger compartment. Wherein, optionally, as shown in fig. 4, the sealing ring 280 may be disposed near the first fastening member 300, so that the sealing ring 280 can be compressed between the vehicle body floor 200 and the cover plate 20 of the battery pack 100 by the fastening force of the first fastening member 300, thereby performing a function of enhancing sealing.
In other embodiments of the present disclosure, other sealing means may be employed to seal a gap that may exist between the vehicle body floor 200 and the cover panel 20. For example, a sealant is provided between the vehicle body floor 200 and the cover panel 20 to seal.
As shown in fig. 1 and 2, in an embodiment of the present disclosure, the vehicle body floor assembly further includes a left connecting beam 251, a right connecting beam 252, a left connecting plate 241, and a right connecting plate 242, one end of the left connecting beam 251 is connected to the left rocker inner panel 221 and the other end is connected to the mounting longitudinal beam 210 located on the left side, one end of the right connecting beam 252 is connected to the right rocker inner panel 222 and the other end is connected to the mounting longitudinal beam 210 located on the right side, one end of the left connecting plate 241 is connected to the left rocker inner panel 221 and the other end is connected to one end of the seat front cross beam 231 or the seat rear cross beam 232, one end of the right connecting plate 242 is connected to the right rocker inner panel 222 and the other end is connected to the other end of the seat front cross beam 231.
The seat front cross member 231, the seat rear cross member 232, the left connecting plate 241, and the right connecting plate 242 are located on the upper side of the vehicle body floor 200, and the mounting side member 210, the left connecting cross member 251, and the right connecting cross member 252 are located on the lower side of the floor panel 11. When the battery pack 100 is installed, as shown in fig. 1, 2 and 5, the battery pack is located in a central position of a front floor of a vehicle, and has bilateral symmetry, a left side of the battery tray 10 may be connected to the installation longitudinal beam 210 located on the left side by the second fastening member 400, and a right side of the battery tray 10 may be connected to the installation longitudinal beam 210 located on the right side by the second fastening member 400.
As shown in fig. 1 and 2, in one embodiment of the present disclosure, the vehicle body floor assembly further includes a front floor left upper side member 291 and a front floor right upper side member 292, the front floor left upper side member 291 being substantially aligned with the mounting side member 210 on the left side and the front floor right upper side member 292 being substantially aligned with the mounting side member 210 on the right side in the width direction of the vehicle. That is, the front floor left upper longitudinal beam 291, the front floor right upper longitudinal beam 292, and the pair of mounting longitudinal beams 210 are configured as X-direction buckling cavities on the upper and lower sides of the front floor, so as to provide an X-direction force transmission path for the front collision of the whole vehicle, and meanwhile, the frame 12 and the protruding portion 13 of the battery tray 10 also provide an X-direction force transmission path for the front collision of the whole vehicle.
As shown in fig. 1 and fig. 2, optionally, the left connecting beam 251 and the left connecting plate 241 are approximately equal in position in the longitudinal direction of the vehicle, the right connecting beam 252 and the right connecting plate 242 are approximately equal in position in the longitudinal direction of the vehicle, and the two connecting beams and the two connecting plates form a Y-direction buckling cavity on the upper surface and the lower surface of the front floor, so that a Y-direction force transmission path can be provided for the side column collision of the whole vehicle.
According to another aspect of the present disclosure, a battery pack 100 is provided, and the battery pack 100 is the battery pack 100 described above.
According to yet another aspect of the present disclosure, a vehicle is provided that includes a body floor assembly and the battery pack 100 described above.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (12)
1. The vehicle body floor assembly is characterized by comprising a vehicle body floor (200), a battery pack (100) and a first fastening piece (300), wherein the battery pack (100) comprises a battery tray (10) and a cover plate (20), the cover plate (20) is hermetically covered on the battery tray (10) to define a containing space for containing a battery module together with the battery tray (10), an opening (201) is formed in the vehicle body floor (200), the cover plate (20) of the battery pack (100) seals the opening (201), one end of the first fastening piece (300) sequentially penetrates through the vehicle body floor (200) and the cover plate (20) and is fixed on the battery tray (10), and the vehicle body floor (200), the cover plate (20) and the battery tray (10) are connected into a whole.
2. The vehicle body floor assembly according to claim 1, further comprising a pair of mounting side members (210) attached to the vehicle body floor (200) in opposition in a vehicle width direction, and a plurality of second fastening members (400), wherein left and right sides of the battery tray (10) are connected to the corresponding mounting side members (210) by the second fastening members (400).
3. The vehicle body floor assembly according to claim 2, wherein the battery tray (10) includes a bottom plate (11) and a rim (12) provided around the bottom plate (11), an outer edge of the cover plate (20) protrudes from an outer wall of the rim (12), both left and right sides of the rim (12) are provided with protrusions (13), the first fastening member (300) integrally connects the vehicle body floor (200), a portion of the cover plate (20) protruding from the rim (12), and the protrusions (13), the protrusions (13) are provided with lugs (14) extending in a vehicle width direction away from the rim (12), and the second fastening member (400) integrally connects the lugs (14) and the mounting rails (210).
4. A vehicle body floor assembly according to claim 3, wherein said projecting portion (13) is of a hollow structure and has a connecting plate arranged substantially in the vehicle width direction.
5. The vehicle body floor assembly according to claim 4, wherein the protruding portion (13) includes a horizontal plate (134), a first inclined plate (131), a second inclined plate (132), and a third inclined plate (133), the horizontal plate (134) is connected to the cover plate (20), one end of the horizontal plate (134) is connected to the side frame (12) and the other end is connected to an upper end of the first inclined plate (131), an upper end of the second inclined plate (132) is connected to a lower end of the first inclined plate (131) and the lower end is connected to the side frame (12), one end of the third inclined plate is connected to a joint portion of the first inclined plate (131) and the second inclined plate (132) and the other end is connected to the side frame (12), and a distance value of the joint portion of the first inclined plate (131) and the second inclined plate (132) to an outer wall of the side frame (12) in a width direction of the vehicle is larger than a distance value of the horizontal plate (134), the second inclined plate (132) and the third inclined plate (133) are configured into a V-shaped structure with an opening facing the frame (12), and the lug (14) is arranged at the joint part of the first inclined plate (131) and the second inclined plate (132).
6. Vehicle body floor assembly according to any of claims 1 to 5, characterized in that the cover panel (20) is of flat plate construction.
7. The vehicle body floor assembly according to any one of claims 1 to 5, wherein the battery tray (10) includes a bottom plate (11) and a rim (12) provided around the bottom plate (11), an inside of the rim (12) is configured as a hollow structure and a connecting rib (121) is provided in the hollow portion, and a reinforcing rib (15) is provided between the rim (12) and the bottom plate (11).
8. The vehicle body floor assembly according to any one of claims 1 to 5, further comprising a left rocker inner panel (221), a right rocker inner panel (222), and a seat cross member (230) connected between the left rocker inner panel (221) and the right rocker inner panel (222), wherein the battery pack (100) further comprises a mounting beam (30) provided on a cover plate (20), and wherein the vehicle body floor assembly further comprises a third fastening member (500), and wherein the third fastening member (500) integrally connects the seat cross member (230) and the mounting beam (30).
9. The vehicle body floor assembly according to claim 8, wherein the mounting beam (30) extends in a width direction of the vehicle, the seat cross member (230) has a cross section including an n-shaped plate (233) and first and second flanges (234, 235) formed at front and rear sides of the n-shaped plate (233), respectively, the mounting beam (30) is plural, the mounting beams (30) are arranged at intervals in a length direction of the vehicle, and one end of the third fastening member (500) passes through the first flange (234) or the second flange (235) to be connected to the corresponding mounting beam (30).
10. The vehicle body floor assembly according to any one of claims 1 to 5, further comprising a sealing ring (280), the sealing ring (280) being disposed around the opening (201) and between the vehicle body floor (200) and the cover plate (20).
11. A battery pack, characterized in that the battery pack is a battery pack (100) of a vehicle body floor assembly according to any one of claims 1 to 10.
12. A vehicle comprising a body floor assembly according to any one of claims 1-10 and a battery pack according to claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498817.7U CN211731599U (en) | 2019-12-31 | 2019-12-31 | Vehicle body floor assembly, battery pack thereof and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498817.7U CN211731599U (en) | 2019-12-31 | 2019-12-31 | Vehicle body floor assembly, battery pack thereof and vehicle |
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| Publication Number | Publication Date |
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| CN211731599U true CN211731599U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922498817.7U Active CN211731599U (en) | 2019-12-31 | 2019-12-31 | Vehicle body floor assembly, battery pack thereof and vehicle |
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