CN217804342U - Battery anti-collision protection device and electric automobile - Google Patents
Battery anti-collision protection device and electric automobile Download PDFInfo
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- CN217804342U CN217804342U CN202221378440.7U CN202221378440U CN217804342U CN 217804342 U CN217804342 U CN 217804342U CN 202221378440 U CN202221378440 U CN 202221378440U CN 217804342 U CN217804342 U CN 217804342U
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- cover plate
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Abstract
The utility model provides a battery anticollision protection device and electric automobile. The battery anticollision protection device includes: the cover plate comprises a first end and a second end which are oppositely arranged; the first connecting plate is fixedly connected with the first end of the cover plate and is used for being connected with the front auxiliary frame; the second connecting plate is fixedly connected with the second end of the cover plate and is used for being connected with one side, back to the vehicle floor, of the battery pack, and the second connecting plate and the first connecting plate are deviated and extended mutually; and the third connecting plate is fixedly connected with the cover plate and is used for being connected with the front longitudinal beam. Adopt the utility model discloses, battery anticollision protection device installs between preceding sub vehicle frame and battery package, and through the invasion route of impact force when changing the collision, finally with the one side on power transmission to battery package vehicle floor dorsad, the battery package does not exist and receives the risk of preceding sub vehicle frame front impact, has reduced preceding sub vehicle frame to the total demand of vehicle body coupling rigidity, and then reduces the complexity and the material use weight of preceding sub vehicle frame tie point, reduction in production cost.
Description
Technical Field
The utility model relates to an electric automobile technical field, concretely relates to battery anticollision protection device and electric automobile.
Background
In recent years, with continuous innovation and rapid development of battery technology, electric vehicles are rapidly spreading. Due to the physical and chemical characteristics of batteries, safety performance requirements are becoming higher and higher, and extremely high demands are placed on vehicle body rigidity and collision safety performance. The design idea of the traditional battery anti-collision protection system is to maintain sufficient rigidity in the relevant area of the vehicle body and receive the front impact of collision, mainly to maintain sufficient rigidity at the relevant fixing point of the auxiliary frame and the fixing point of the No. 1.5 beam, and to ensure that the auxiliary frame does not collide with the battery in the intrusion process during collision. In order to maintain the fixed rigidity of the subframe, the material thickness of parts and original parts needs to be increased in the relevant area of the vehicle body, and the complexity and the cost of the vehicle body structure are increased.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a battery collision avoidance device and electric automobile. The battery anti-collision protection device is installed between the front auxiliary frame and the battery pack, and the stress invasion path of the front auxiliary frame is changed during collision so as to reduce the total requirement of the front auxiliary frame on the connection rigidity of the vehicle body and reduce the complexity of the connection point of the front auxiliary frame and the material use weight.
The utility model provides a battery anticollision protection device includes: the cover plate comprises a first end and a second end which are oppositely arranged; the first connecting plate is fixedly connected with the first end of the cover plate and is used for being connected with a front auxiliary frame; the second connecting plate is fixedly connected with the second end of the cover plate and is used for being connected with one side, back to the vehicle floor, of the battery pack, and the second connecting plate and the first connecting plate extend away from each other; and the third connecting plate is fixedly connected with the cover plate and is used for being connected with the front longitudinal beam.
Optionally, a first reinforcing rib is arranged on the cover plate.
Optionally, the battery anti-collision protection device further includes: and the hook is fixedly connected with the free end of the first connecting plate.
Optionally, the battery anti-collision protection device further includes: and the reinforcing pipe fitting is fixedly connected with the cover plate.
Optionally, the battery anti-collision protection device further includes: the first end of base with the apron orientation one side on vehicle floor is connected, the second end of base be used for with vehicle floor connects.
Optionally, the second end of the base is provided with a flange.
Optionally, a second reinforcing rib is arranged on the base.
Optionally, the base is manufactured by a stamping process.
Optionally, the included angle between the cover plate and the first connecting plate ranges from 135 degrees to 150 degrees.
The utility model also provides an electric automobile, include preceding sub vehicle frame, front longitudinal and install the battery package in vehicle floor below, still include above-mentioned arbitrary battery anticollision protection device, battery anticollision protection device's first connecting plate with preceding sub vehicle frame is connected, battery anticollision protection device's second connecting plate with the battery package dorsad one side on vehicle floor is connected, battery anticollision protection device's third connecting plate with front longitudinal connects.
The utility model provides an above technical scheme compares with prior art, has following beneficial effect at least:
adopt the utility model discloses battery anticollision protection device and electric automobile, battery anticollision protection device installs between preceding sub vehicle frame and battery package, the invasion route of impact force when changing the collision, absorb the power of buffering some preceding sub vehicle frame transmissions, and finally transmit power to the battery package one side on the vehicle floor dorsad, the battery package does not exist and receives the risk of the direct frontal impact of preceding sub vehicle frame, thereby the total demand of preceding sub vehicle frame to body coupling rigidity has been reduced, and then the complexity and the material use weight of the sub vehicle frame tie point before reducing, production cost is reduced.
Drawings
Fig. 1 is a schematic view of a battery crash protection apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view of a battery crash protection apparatus according to another embodiment of the present invention;
fig. 3 is a schematic view of a battery anti-collision protection device according to another embodiment of the present invention;
FIG. 4 is a schematic view of a base of the battery crash protection apparatus shown in FIG. 3;
fig. 5 is a schematic view illustrating the battery crash protection apparatus shown in fig. 3 mounted to an electric vehicle.
Reference numerals:
1: a cover plate; 2: a first connecting plate; 3: a second connecting plate; 4: a third connecting plate; 5: a first reinforcing rib; 6: hooking; 7: reinforcing the pipe fitting; 8: a base; 9: flanging; 10: a second reinforcing rib; 11: a front subframe; 12: a front longitudinal beam; 13: a battery pack; 14: beam No. 1.5.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or component to which the reference is made must have a specific orientation, be constructed and operated in a specific 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. Wherein the terms "first position" and "second position" are two different positions.
Fig. 1 is a schematic view of a battery anti-collision protection device according to an embodiment of the present invention; fig. 2 is a schematic view of a battery crash protection apparatus according to another embodiment of the present invention; fig. 3 is a schematic view of a battery crash protection apparatus according to another embodiment of the present invention; FIG. 4 is a schematic view of a base of the battery crash protection apparatus shown in FIG. 3; fig. 5 is a schematic view illustrating the battery crash protection apparatus shown in fig. 3 mounted to an electric vehicle.
As shown in fig. 1 to 5, the battery crash protection apparatus includes a cover plate 1, a first connection plate 2, a second connection plate 3, and a third connection plate 4. The cover plate 1 comprises a first end and a second end which are oppositely arranged; the first connecting plate 2 is fixedly connected with the first end of the cover plate 1 and is used for being connected with a front auxiliary frame 11; the second connecting plate 3 is fixedly connected with the second end of the cover plate 1 and is used for being connected with one side, back to the vehicle floor, of a battery pack 13, and the second connecting plate 3 and the first connecting plate 2 extend away from each other; the third connecting plate 4 is fixedly connected with the cover plate 1 and is used for being connected with a front longitudinal beam 12.
The lower side in fig. 5 is the side close to the vehicle floor, and the upper side in fig. 5 is the side close to the ground. In use, the first connecting plate 2 is connected with the front auxiliary frame 11, the second connecting plate 3 is connected with one side of the battery pack 13, which is opposite to the floor of the vehicle, and the third connecting plate 4 is connected with the front longitudinal beam 12, as shown in fig. 5, so that the cover plate 1 is obliquely arranged, and the battery pack 13 is integrally positioned at the lower right side of the cover plate 1 in fig. 5. When the electric automobile receives the place ahead striking, the preceding sub vehicle frame 11 receives behind the impact force with power transmission rather than being connected first connecting plate 2, the impact force partly along the extension line direction propagation of first connecting plate 2, another most part transmit to apron 1, and follow apron 1 transmits to second connecting plate 3 to absorb the impact force buffering and finally transmit to the battery package 13 one side dorsad on the vehicle floor, rather than direct forward impact behind the preceding sub vehicle frame 11 atress battery package 13.
Adopt the utility model discloses battery anticollision protection device, battery anticollision protection device install in preceding sub vehicle frame 11 with between the battery package 13, through the invasion route of impact force when changing the collision, absorb the power of the 11 transmissions of sub vehicle frame before buffering a part to finally with power transmission extremely one side on battery package 13 vehicle floor dorsad, battery package 13 does not exist and receives the risk of the direct front striking of preceding sub vehicle frame 11, thereby has reduced preceding sub vehicle frame 11 is to the total demand of body coupling rigidity, and then reduces the complexity and the material use weight of preceding sub vehicle frame 11 tie point, has reduced manufacturing cost.
In this embodiment, as shown in fig. 1, the cover plate 1, the first connecting plate 2 and the second connecting plate 3 are all rectangular plate bodies as a whole, the first end of the cover plate 1, that is, the end portion of the lower end of the cover plate 1 in fig. 1, is connected to the first connecting plate 2, the second end of the cover plate 1, that is, the end portion of the upper end of the cover plate 1 in fig. 1, is connected to the second connecting plate 2, the end portion of the left end of the cover plate 1 is connected to the third connecting plate 3, and for being fixed to the front longitudinal beam 12 in an attached manner, the third connecting plate 3 includes a first connecting section vertically connected to the left end of the cover plate 1 and a second connecting section vertically connected to the free end of the first connecting section. The first connecting plate 2, the second connecting plate 3 and the second connecting section are all provided with through holes in a penetrating mode and are respectively used for being connected with the front auxiliary frame 11, the battery pack 13 and the front longitudinal beam 12 through bolts. In this embodiment, first connecting plate 2 with second connecting plate 3 parallel arrangement, respectively with apron 1 is an obtuse angle contained angle, makes when battery collision avoidance device installs to electric automobile, apron 1 is in preceding sub vehicle frame 11 with slope setting between the battery package 13. In this embodiment, the cover plate 1, the first connecting plate 2, the second connecting plate 3 and the third connecting plate 4 are manufactured by a stamping process. The direction indicated by the arrow in fig. 1 is an initial intrusion direction of the impact force, that is, a direction of a reverse extension line of the first connection plate 2, and an angle between the reverse extension line of the first connection plate 2 and the cover plate 1 is an intrusion guide angle a, and by adjusting the intrusion guide angle a, the intrusion path of the front subframe 11 can be adjusted. According to practical application, the shapes and the sizes of the cover plate 1, the first connecting plate 2, the second connecting plate 3 and the third connecting plate 4 can be adjusted as long as the connection with the front subframe 11, the battery pack 13 and the front longitudinal beam 12 can be realized between the front subframe 11 and the battery pack 13, and the impact force applied to the front subframe 11 is transmitted to the side, back to the vehicle floor, of the battery pack 13, so that the battery pack 13 is prevented from being collided with the front face of the front subframe 11.
Optionally, the cover plate 1 is provided with a first reinforcing rib 5. This arrangement enhances the strength of the cover plate 1 itself against a sufficiently large impact force.
In this embodiment, as shown in fig. 1 and 2, three first reinforcing ribs 5 having different extending lengths are provided at intervals on the cover plate 1. According to practical application, the number of the first reinforcing ribs 5 and the specific arrangement position on the cover plate 1 can be adjusted.
Optionally, the battery anti-collision protection device further comprises a hook 6, and the hook 6 is fixedly connected with the free end of the first connection plate 2. Set up couple 6, with the 14 cooperations of No. 1.5 roof beams when the assembly, play the effect of hanging in advance, make the assembly more convenient, play the tensile effect simultaneously when preceding sub vehicle frame 11 invades.
In this embodiment, as shown in fig. 1, the width of the left side portion of the first connection plate 2 is smaller, and the width of the right side portion through which the through hole is formed is larger, and the hook 6 is fixedly connected to the free end of the smaller width portion of the first connection plate 2. When the battery anti-collision protection device is installed on an electric automobile, the hook 6 is connected with a No. 1.5 beam 14 hook of the automobile. The specific connection position of the hook 6 and the first connection plate 2 is adjusted according to the change of the hook position of the No. 1.5 beam 14.
Optionally, the battery anti-collision protection device further comprises a reinforcing pipe 7, and the reinforcing pipe 7 is fixedly connected with the cover plate 1. The arrangement further enhances the overall strength of the device, so that the device can bear larger impact force.
In this embodiment, as shown in fig. 2, the horizontal projection of the reinforcing pipe 7 is generally "U" shaped, the extension length of the straight line portions on both sides is approximately equal to the length of the cover plate 1, and the straight line portions are respectively connected to the upper surface of the cover plate 1 by welding, and in order to further enhance the strength of the whole device, the corner portions are connected to the upper surface of the second connecting plate 3 by welding. The reinforced pipe fitting 7 is a standard pipe fitting, easy to produce, easy to purchase, simple and applicable. The specific shape and size of the reinforcing pipe 7 and the specific connection position with the cover plate 1 can be adjusted according to the practical application.
Optionally, the battery anti-collision protection device further includes a base 8, a first end of the base 8 is connected to a side of the cover plate 1 facing the vehicle floor, and a second end of the base 8 is used for being connected to the vehicle floor. With this arrangement, the base 8 further supports the cover plate 1, thereby further enhancing the strength of the device as a whole.
In the present embodiment, as shown in fig. 3 and 4, the upper end of the base 8 is fixedly connected to a side of the cover plate 1 facing the vehicle floor, that is, the lower surface of the cover plate 1 in the figure, and the lower end of the base 8 is used for being connected to the vehicle floor. As shown in fig. 4, the upper end of the base 8 is provided as an inclined plane parallel to the cover plate 1, so as to be fixedly attached to the cover plate 1. In order to further increase the supporting strength of the cover plate 1, a plate body parallel to the first connecting plate 2 is connected to the left side of the inclined surface at the upper end of the base 8, a through hole is formed in a position corresponding to the through hole in the first connecting plate 2, the through hole and the through hole are attached and bolted, one end of the base 8 facing the front longitudinal beam 12 is simultaneously connected with the front longitudinal beam 12 in a welding manner, and one end of the base 8 facing the vehicle beam 14 No. 1.5, namely the left lower end of the base 8 in fig. 4 is connected with the beam 14 No. 1.5 in a welding manner. The specific shape and size of the base 8 can be adjusted according to practical application, as long as stable connection with the cover plate 1 and the vehicle floor is achieved.
Optionally, a second end of the base 8 is provided with a flange 9. The flanging 9 is arranged, so that the contact area with the vehicle floor is increased, and the connection strength with the vehicle floor is increased.
In this embodiment, the second end of the base 8, that is, the lower end of the base 8 in fig. 3 and 4, is circumferentially provided with the flange 9, and the flange 9 is welded to the vehicle floor.
Optionally, a second reinforcing rib 10 is arranged on the base 8. This arrangement further enhances the strength of the base 8 itself to provide sufficient support for the cover 1 in the event of an impact.
In the present embodiment, as shown in fig. 4, two second reinforcing ribs 10 are provided at the turning point of the base 8. According to practical application, the number of the second reinforcing ribs 10 and the specific arrangement position on the base 8 can be adjusted.
Optionally, the base 8 is manufactured by a stamping process. By adopting the common stamping process, the selection of materials and material thickness is more flexible, and the method has excellent manufacturability and economy
Optionally, the included angle between the cover plate 1 and the first connecting plate 2 ranges from 135 degrees to 150 degrees. The arrangement enables the intrusion guide angle a in the range of 30-45 degrees in figure 1, ensures the impact force guide effect, and simultaneously enables the whole device to be designed to be compact and effectively ensures the rigidity of the device.
The installation and use process of the battery anti-collision protection device is further described in the following with reference to fig. 5:
the reinforcing pipe fitting 7 is connected with the cover plate 1 and the second connecting plate 3 in a welding mode, the second end of the base 8 is connected with the vehicle floor in a welding mode, meanwhile, the base 8 is connected with the No. 1.5 beam 14 and the front longitudinal beam 12 in a welding mode, the first end of the base 8 is connected with the cover plate 1 through a bolt, the first connecting plate 2 is connected with the front auxiliary frame 11, the second connecting plate 3 is connected with one side, back to the vehicle floor, of the battery pack 13, and the third connecting plate 4 is connected with the front longitudinal beam 12. When the electric automobile receives the place ahead striking, the preceding sub vehicle frame 11 receives the impact force after with power transmission to rather than being connected first connecting plate 2, the impact force partly along the extension line direction propagation of first connecting plate 2, another most transmit to apron 1, and along apron 1 transmit to second connecting plate 3 to absorb the impact force buffering and finally transmit to the battery package 13 one side that dorsad the vehicle floor, rather than direct forward impact behind the preceding sub vehicle frame 11 atress the battery package 13.
Adopt the utility model discloses battery anticollision protection device, battery anticollision protection device install in preceding sub vehicle frame 11 with between the battery package 13, through the invasion route of impact force when changing the collision, the power of 11 transmissions of sub vehicle frame before the absorption buffering is partly to finally with power transmission extremely one side on battery package 13 vehicle floor dorsad, battery package 13 does not exist and receives the risk of the direct front impact of preceding sub vehicle frame 11, thereby has reduced preceding sub vehicle frame 11 is to the total demand of body coupling rigidity, and then reduces the complexity and the material use weight of the 11 tie points of preceding sub vehicle frame, has reduced manufacturing cost.
The utility model also provides an electric automobile, include preceding sub vehicle frame 11, front longitudinal 12 and install battery package 13 in the vehicle floor below, still include any embodiment of the aforesaid battery anti-collision protection device, battery anti-collision protection device's first connecting plate 2 with preceding sub vehicle frame 11 is connected, battery anti-collision protection device's second connecting plate 3 with battery package 13 dorsad one side on vehicle floor is connected, battery anti-collision protection device's third connecting plate 4 with front longitudinal 12 connects.
Adopt the utility model discloses electric automobile, battery anticollision protection device install in preceding sub vehicle frame 11 with between the battery package 13, through the invasion route of impact force when changing the collision, absorb the power of the 11 transmissions of sub vehicle frame before buffering a part to finally transmit power to one side on battery package 13 vehicle floor dorsad, battery package 13 does not exist and receives the risk of the direct front striking of preceding sub vehicle frame 11, thereby has reduced preceding sub vehicle frame 11 is to the total demand of body coupling rigidity, and then reduces the complexity and the material use weight of the 11 tie points of preceding sub vehicle frame, has reduced manufacturing cost.
In this embodiment, the first connecting plate 2 is bolted to the front subframe 11, the second connecting plate 3 is bolted to a side of the battery pack 13 facing away from the vehicle floor, and the third connecting plate 4 is bolted to the front side member 12.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; 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: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A battery collision avoidance apparatus, comprising:
the cover plate comprises a first end and a second end which are oppositely arranged;
the first connecting plate is fixedly connected with the first end of the cover plate and is used for being connected with a front auxiliary frame;
the second connecting plate is fixedly connected with the second end of the cover plate and is used for being connected with one side, back to the vehicle floor, of the battery pack, and the second connecting plate and the first connecting plate extend away from each other;
and the third connecting plate is fixedly connected with the cover plate and is used for being connected with the front longitudinal beam.
2. The battery crash protection device of claim 1, wherein:
the cover plate is provided with a first reinforcing rib.
3. The battery crash protection device according to claim 1 or 2, further comprising:
and the hook is fixedly connected with the free end of the first connecting plate.
4. The battery crash protection device according to claim 1 or 2, further comprising:
and the reinforced pipe fitting is fixedly connected with the cover plate.
5. The battery crash protection device according to claim 1 or 2, further comprising:
the first end of base with the apron orientation one side on vehicle floor is connected, the second end of base be used for with vehicle floor connects.
6. The battery crash protection device as recited in claim 5, wherein:
and a flange is arranged at the second end of the base.
7. The battery crash protection device of claim 5, wherein:
and a second reinforcing rib is arranged on the base.
8. The battery crash protection device of claim 5, wherein:
the base is manufactured by adopting a stamping process.
9. The battery collision avoidance device of claim 1 or 2, wherein:
the included angle between the cover plate and the first connecting plate ranges from 135 degrees to 150 degrees.
10. An electric automobile, including preceding sub vehicle frame, front longitudinal and install the battery package in vehicle floor below, its characterized in that still includes any one of battery collision avoidance device of claim 1-9, battery collision avoidance device's first connecting plate with preceding sub vehicle frame is connected, battery collision avoidance device's second connecting plate with the battery package is connected to the one side on the back of the vehicle floor, battery collision avoidance device's third connecting plate with the front longitudinal is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221378440.7U CN217804342U (en) | 2022-05-25 | 2022-05-25 | Battery anti-collision protection device and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221378440.7U CN217804342U (en) | 2022-05-25 | 2022-05-25 | Battery anti-collision protection device and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217804342U true CN217804342U (en) | 2022-11-15 |
Family
ID=83987800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221378440.7U Active CN217804342U (en) | 2022-05-25 | 2022-05-25 | Battery anti-collision protection device and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217804342U (en) |
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2022
- 2022-05-25 CN CN202221378440.7U patent/CN217804342U/en active Active
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